Windows Analysis Report Delivery note_241493.exe

Overview

General Information

Sample Name: Delivery note_241493.exe
Analysis ID: 1645
MD5: ae27dccff11f1c8e17661269d90148b9
SHA1: 365138784e65ad92bc8f05653374348aa4e00788
SHA256: dd739f42791b213769f242efac95b60d0026825d5c882d576533cd8ae57514b6
Infos:

Most interesting Screenshot:

Detection

AgentTesla GuLoader
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Yara detected AgentTesla
Sigma detected: RegAsm connects to smtp port
Yara detected GuLoader
Hides threads from debuggers
Writes to foreign memory regions
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to detect Any.run
Tries to harvest and steal ftp login credentials
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
Yara detected Credential Stealer
JA3 SSL client fingerprint seen in connection with other malware
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Sample file is different than original file name gathered from version info
Tries to load missing DLLs
Uses a known web browser user agent for HTTP communication
Detected TCP or UDP traffic on non-standard ports
Checks if the current process is being debugged
Uses SMTP (mail sending)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Uses Microsoft's Enhanced Cryptographic Provider
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)

Classification

AV Detection:

barindex
Found malware configuration
Source: conhost.exe.2804.27.memstrmin Malware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "SMTP Info": "tamasfulop@csavarcsapagyexpress.huRozsnyoi42mail.csavarcsapagyexpress.husirevirus39@gmail.com"}

Cryptography:

barindex
Uses Microsoft's Enhanced Cryptographic Provider
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01150280 CryptUnprotectData, 26_2_01150280
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01150A09 CryptUnprotectData, 26_2_01150A09

Compliance:

barindex
Uses 32bit PE files
Source: Delivery note_241493.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: unknown HTTPS traffic detected: 172.217.168.46:443 -> 192.168.11.20:49755 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.184.193:443 -> 192.168.11.20:49756 version: TLS 1.2

Networking:

barindex
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: WEBSUPPORT-SRO-SK-ASSK WEBSUPPORT-SRO-SK-ASSK
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 37f463bf4616ecd445d4a1937da06e19
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1kFeDtVEJdXDeWXxKM0sf_SDs1MXR4dov HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoHost: drive.google.comCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/p9irpuq1lj8ip6m4433g3knsldrdvp8d/1634135550000/12448148553778765603/*/1kFeDtVEJdXDeWXxKM0sf_SDs1MXR4dov?e=download HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoCache-Control: no-cacheHost: doc-04-9g-docs.googleusercontent.comConnection: Keep-Alive
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.11.20:49769 -> 185.111.89.226:587
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.11.20:49769 -> 185.111.89.226:587
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49755
Source: unknown Network traffic detected: HTTP traffic on port 49755 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49756 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49756
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: RegAsm.exe, 0000001A.00000002.5633190528.000000001DCC1000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: RegAsm.exe, 0000001A.00000002.5633190528.000000001DCC1000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: RegAsm.exe, 0000001A.00000002.5633190528.000000001DCC1000.00000004.00000001.sdmp String found in binary or memory: http://Hpdghc.com
Source: RegAsm.exe, 0000001A.00000002.5642251197.000000001FF46000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl04
Source: RegAsm.exe, 0000001A.00000003.972127154.0000000001086000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl06
Source: RegAsm.exe, 0000001A.00000002.5642251197.000000001FF46000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/COMODORSACertificationAuthority.crl0q
Source: RegAsm.exe, 0000001A.00000002.5635743077.000000001DDE5000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl0
Source: RegAsm.exe, 0000001A.00000003.972127154.0000000001086000.00000004.00000001.sdmp String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: RegAsm.exe, 0000001A.00000002.5635743077.000000001DDE5000.00000004.00000001.sdmp String found in binary or memory: http://csavarcsapagyexpress.hu
Source: RegAsm.exe, 0000001A.00000002.5635743077.000000001DDE5000.00000004.00000001.sdmp String found in binary or memory: http://mail.csavarcsapagyexpress.hu
Source: RegAsm.exe, 0000001A.00000002.5642251197.000000001FF46000.00000004.00000001.sdmp String found in binary or memory: http://ocsp.comodoca.com0
Source: RegAsm.exe, 0000001A.00000003.972127154.0000000001086000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000003.977239633.0000000001084000.00000004.00000001.sdmp String found in binary or memory: https://csp.withgoogle.com/csp/drive-explorer/
Source: RegAsm.exe, 0000001A.00000003.972558924.0000000001081000.00000004.00000001.sdmp String found in binary or memory: https://doc-04-9g-docs.googleusercontent.com/
Source: RegAsm.exe, 0000001A.00000003.977239633.0000000001084000.00000004.00000001.sdmp String found in binary or memory: https://doc-04-9g-docs.googleusercontent.com/5
Source: RegAsm.exe, 0000001A.00000003.972558924.0000000001081000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000003.977239633.0000000001084000.00000004.00000001.sdmp String found in binary or memory: https://doc-04-9g-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/p9irpuq1
Source: RegAsm.exe, 0000001A.00000002.5614964275.0000000001040000.00000004.00000020.sdmp String found in binary or memory: https://doc-04-9g-docs.googleusercontent.com/ij7
Source: RegAsm.exe, 0000001A.00000002.5614964275.0000000001040000.00000004.00000020.sdmp String found in binary or memory: https://doc-04-9g-docs.googleusercontent.com/qi;
Source: RegAsm.exe, 0000001A.00000003.972558924.0000000001081000.00000004.00000001.sdmp String found in binary or memory: https://doc-04-9g-docs.googleusercontent.com/tography
Source: RegAsm.exe, 0000001A.00000002.5613874054.0000000000FF8000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/
Source: RegAsm.exe, 0000001A.00000003.972558924.0000000001081000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5613195333.0000000000EA0000.00000004.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1kFeDtVEJdXDeWXxKM0sf_SDs1MXR4dov
Source: RegAsm.exe, 0000001A.00000003.972558924.0000000001081000.00000004.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1kFeDtVEJdXDeWXxKM0sf_SDs1MXR4dov90yJjkpGPPugIoOr0
Source: RegAsm.exe, 0000001A.00000002.5633190528.000000001DCC1000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000003.1894514695.0000000000ED1000.00000004.00000001.sdmp String found in binary or memory: https://jRW95HZ6DAQuQZac.org
Source: RegAsm.exe, 0000001A.00000002.5635743077.000000001DDE5000.00000004.00000001.sdmp String found in binary or memory: https://sectigo.com/CPS0
Source: RegAsm.exe, 0000001A.00000002.5633190528.000000001DCC1000.00000004.00000001.sdmp String found in binary or memory: https://www.theonionrouter.com/dist.torproject.org/torbrowser/9.5.3/tor-win32-0.4.3.6.zip%tordir%%ha
Source: unknown DNS traffic detected: queries for: drive.google.com
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1kFeDtVEJdXDeWXxKM0sf_SDs1MXR4dov HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoHost: drive.google.comCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/p9irpuq1lj8ip6m4433g3knsldrdvp8d/1634135550000/12448148553778765603/*/1kFeDtVEJdXDeWXxKM0sf_SDs1MXR4dov?e=download HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoCache-Control: no-cacheHost: doc-04-9g-docs.googleusercontent.comConnection: Keep-Alive
Source: unknown HTTPS traffic detected: 172.217.168.46:443 -> 192.168.11.20:49755 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.184.193:443 -> 192.168.11.20:49756 version: TLS 1.2

System Summary:

barindex
Uses 32bit PE files
Source: Delivery note_241493.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Detected potential crypto function
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_00401679 0_2_00401679
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_0040162C 0_2_0040162C
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_0040143D 0_2_0040143D
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_00931130 26_2_00931130
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_0093BA18 26_2_0093BA18
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_00933A50 26_2_00933A50
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_00934320 26_2_00934320
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_00939570 26_2_00939570
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_0093C778 26_2_0093C778
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_00933708 26_2_00933708
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_00946AC8 26_2_00946AC8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_00940890 26_2_00940890
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01159168 26_2_01159168
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_0115CCA8 26_2_0115CCA8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01155CE8 26_2_01155CE8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_0115C728 26_2_0115C728
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01154E00 26_2_01154E00
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_0115E498 26_2_0115E498
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_0115E0C0 26_2_0115E0C0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01151640 26_2_01151640
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_011699A8 26_2_011699A8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_011669A8 26_2_011669A8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_0116DB20 26_2_0116DB20
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_0116C7D0 26_2_0116C7D0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01164EB0 26_2_01164EB0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01163330 26_2_01163330
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_1DAF5E08 26_2_1DAF5E08
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_1DAF4ACC 26_2_1DAF4ACC
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_1DAF5E03 26_2_1DAF5E03
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_1DAF6AFB 26_2_1DAF6AFB
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01166A61 26_2_01166A61
Sample file is different than original file name gathered from version info
Source: Delivery note_241493.exe, 00000000.00000002.999532636.0000000000416000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameTains4.exe vs Delivery note_241493.exe
Source: Delivery note_241493.exe Binary or memory string: OriginalFilenameTains4.exe vs Delivery note_241493.exe
Tries to load missing DLLs
Source: C:\Users\user\Desktop\Delivery note_241493.exe Section loaded: edgegdi.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Section loaded: sfc.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Section loaded: edgegdi.dll Jump to behavior
Source: Delivery note_241493.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\Delivery note_241493.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\Delivery note_241493.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\Delivery note_241493.exe 'C:\Users\user\Desktop\Delivery note_241493.exe'
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe'
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe'
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe'
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe' Jump to behavior
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe' Jump to behavior
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe' Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{057EEE47-2572-4AA1-88D7-60CE2149E33C}\InProcServer32 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\Delivery note_241493.exe File created: C:\Users\user\AppData\Local\Temp\~DFA880510812ECEB02.TMP Jump to behavior
Source: classification engine Classification label: mal100.spre.troj.spyw.evad.winEXE@8/1@4/3
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File read: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\e4a1c9189d2b01f018b953e46c80d120\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:2804:304:WilStaging_02
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:2804:120:WilError_03
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior

Data Obfuscation:

barindex
Yara detected GuLoader
Source: Yara match File source: 00000000.00000002.1001013711.00000000023A0000.00000040.00000001.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_00405C5C push edx; retf 0_2_00405C6F
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_00405E5F push esp; ret 0_2_00405E60
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_00406809 pushad ; iretd 0_2_0040681A
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_00405A23 push cs; iretd 0_2_00405ADA
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_004038B9 push 4EA9091Fh; iretd 0_2_004038BE
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_00405376 pushad ; retf 0_2_004053D4
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_00405376 push esi; ret 0_2_004054C4
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_00406915 push edi; iretd 0_2_00406917
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_004053D5 push esi; ret 0_2_004054C4
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A1E7E push ds; iretd 0_2_023A1E7F
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A084B push es; ret 0_2_023A0854
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A1AD7 push es; ret 0_2_023A1AD8
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A0ED4 push cs; retf 0_2_023A0ED7
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A1737 push es; ret 0_2_023A1738
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A317F push esp; iretw 0_2_023A3180
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A2B99 push ebp; retf 0_2_023A2B9A
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A1790 push eax; iretd 0_2_023A1792
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A3B90 push esi; retf 0_2_023A3B9E
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A27D0 push es; ret 0_2_023A27D8
Source: C:\Users\user\Desktop\Delivery note_241493.exe Code function: 0_2_023A0BD5 push es; ret 0_2_023A0BD8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_01162177 push edi; retn 0000h 26_2_01162179
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

barindex
Tries to detect Any.run
Source: C:\Users\user\Desktop\Delivery note_241493.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Users\user\Desktop\Delivery note_241493.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: RegAsm.exe, 0000001A.00000002.5613195333.0000000000EA0000.00000004.00000001.sdmp Binary or memory string: NTDLLKERNEL32USER32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEPSAPI.DLLMSI.DLLPUBLISHERWININET.DLLMOZILLA/5.0 (WINDOWS NT 6.1; WOW64; TRIDENT/7.0; RV:11.0) LIKE GECKOSHELL32ADVAPI32USERPROFILE=HTTPS://DRIVE.GOOGLE.COM/UC?EXPORT=DOWNLOAD&ID=1KFEDTVEJDXDEWXXKM0SF_SDS1MXR4DOV
Source: Delivery note_241493.exe, 00000000.00000002.1001486270.0000000002C50000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5613195333.0000000000EA0000.00000004.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Source: Delivery note_241493.exe, 00000000.00000002.1000194791.00000000007A4000.00000004.00000020.sdmp Binary or memory string: \??\C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Source: Delivery note_241493.exe, 00000000.00000002.1001486270.0000000002C50000.00000004.00000001.sdmp Binary or memory string: NTDLLKERNEL32USER32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEPSAPI.DLLMSI.DLLPUBLISHERWININET.DLLMOZILLA/5.0 (WINDOWS NT 6.1; WOW64; TRIDENT/7.0; RV:11.0) LIKE GECKOSHELL32ADVAPI32USERPROFILE=WINDIR=\MICROSOFT.NET\FRAMEWORK\V4.0.30319\REGASM.EXE\SYSWOW64\MSVBVM60.DLLWINDIR=\MICROSOFT.NET\FRAMEWORK\V4.0.30319\REGASM.EXE\SYSWOW64\MSVBVM60.DLLWINDIR=\MICROSOFT.NET\FRAMEWORK\V4.0.30319\REGASM.EXE\SYSWOW64\MSVBVM60.DLL
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_NetworkAdapterConfiguration
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BaseBoard
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe TID: 4032 Thread sleep time: -2767011611056431s >= -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\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Window / User API: threadDelayed 9943 Jump to behavior
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information queried: ProcessInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\Desktop\Delivery note_241493.exe System information queried: ModuleInformation Jump to behavior
Source: Delivery note_241493.exe, 00000000.00000002.1002888810.0000000004C89000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: Hyper-V Guest Shutdown Service
Source: Delivery note_241493.exe, 00000000.00000002.1002888810.0000000004C89000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: Hyper-V Remote Desktop Virtualization Service
Source: RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: vmicshutdown
Source: Delivery note_241493.exe, 00000000.00000002.1002888810.0000000004C89000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: Hyper-V Volume Shadow Copy Requestor
Source: Delivery note_241493.exe, 00000000.00000002.1002888810.0000000004C89000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: Hyper-V PowerShell Direct Service
Source: Delivery note_241493.exe, 00000000.00000002.1002888810.0000000004C89000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: Hyper-V Time Synchronization Service
Source: RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: vmicvss
Source: Delivery note_241493.exe, 00000000.00000002.1001486270.0000000002C50000.00000004.00000001.sdmp Binary or memory string: ntdllkernel32user32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exepsapi.dllMsi.dllPublisherwininet.dllMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Geckoshell32advapi32USERPROFILE=windir=\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe\syswow64\msvbvm60.dllwindir=\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe\syswow64\msvbvm60.dllwindir=\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe\syswow64\msvbvm60.dll
Source: RegAsm.exe, 0000001A.00000002.5614709541.000000000102E000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAW
Source: RegAsm.exe, 0000001A.00000002.5613195333.0000000000EA0000.00000004.00000001.sdmp Binary or memory string: ntdllkernel32user32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exepsapi.dllMsi.dllPublisherwininet.dllMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Geckoshell32advapi32USERPROFILE=https://drive.google.com/uc?export=download&id=1kFeDtVEJdXDeWXxKM0sf_SDs1MXR4dov
Source: RegAsm.exe, 0000001A.00000002.5615895453.0000000001070000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAWj
Source: Delivery note_241493.exe, 00000000.00000002.1001486270.0000000002C50000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5613195333.0000000000EA0000.00000004.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: Delivery note_241493.exe, 00000000.00000002.1002888810.0000000004C89000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: Hyper-V Data Exchange Service
Source: Delivery note_241493.exe, 00000000.00000002.1002888810.0000000004C89000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: Hyper-V Heartbeat Service
Source: Delivery note_241493.exe, 00000000.00000002.1002888810.0000000004C89000.00000004.00000001.sdmp, RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: Hyper-V Guest Service Interface
Source: Delivery note_241493.exe, 00000000.00000002.1000194791.00000000007A4000.00000004.00000020.sdmp Binary or memory string: \??\C:\Program Files\Qemu-ga\qemu-ga.exe
Source: RegAsm.exe, 0000001A.00000002.5623371409.0000000002A49000.00000004.00000001.sdmp Binary or memory string: vmicheartbeat

Anti Debugging:

barindex
Hides threads from debuggers
Source: C:\Users\user\Desktop\Delivery note_241493.exe Thread information set: HideFromDebugger Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Thread information set: HideFromDebugger Jump to behavior
Enables debug privileges
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process token adjusted: Debug Jump to behavior
Checks if the current process is being debugged
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process queried: DebugPort Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process queried: DebugPort Jump to behavior
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 26_2_00936950 LdrInitializeThunk, 26_2_00936950
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

barindex
Writes to foreign memory regions
Source: C:\Users\user\Desktop\Delivery note_241493.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe base: C20000 Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe' Jump to behavior
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe' Jump to behavior
Source: C:\Users\user\Desktop\Delivery note_241493.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\Delivery note_241493.exe' Jump to behavior
Source: RegAsm.exe, 0000001A.00000002.5621609275.00000000015F0000.00000002.00020000.sdmp Binary or memory string: Program Manager
Source: RegAsm.exe, 0000001A.00000002.5621609275.00000000015F0000.00000002.00020000.sdmp Binary or memory string: Shell_TrayWnd
Source: RegAsm.exe, 0000001A.00000002.5621609275.00000000015F0000.00000002.00020000.sdmp Binary or memory string: Progman
Source: RegAsm.exe, 0000001A.00000002.5621609275.00000000015F0000.00000002.00020000.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

barindex
Queries the volume information (name, serial number etc) of a device
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.VisualBasic\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Security\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Security.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information:

barindex
Yara detected AgentTesla
Source: Yara match File source: 0000001A.00000002.5633190528.000000001DCC1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 2672, type: MEMORYSTR
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key opened: HKEY_CURRENT_USER\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions Jump to behavior
Tries to harvest and steal ftp login credentials
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\SmartFTP\Client 2.0\Favorites\Quick Connect\ Jump to behavior
Tries to steal Mail credentials (via file access)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Tries to harvest and steal browser information (history, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data Jump to behavior
Yara detected Credential Stealer
Source: Yara match File source: 0000001A.00000002.5633190528.000000001DCC1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 2672, type: MEMORYSTR

Remote Access Functionality:

barindex
Yara detected AgentTesla
Source: Yara match File source: 0000001A.00000002.5633190528.000000001DCC1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 2672, type: MEMORYSTR
windows-stand
Hide Legend

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 dnsIp2 2 Behavior Graph ID: 1645 Sample: Delivery note_241493.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 21 mail.csavarcsapagyexpress.hu 2->21 23 csavarcsapagyexpress.hu 2->23 25 6 other IPs or domains 2->25 33 Found malware configuration 2->33 35 Sigma detected: RegAsm connects to smtp port 2->35 37 Yara detected GuLoader 2->37 39 2 other signatures 2->39 8 Delivery note_241493.exe 1 2->8         started        signatures3 process4 signatures5 41 Writes to foreign memory regions 8->41 43 Tries to detect Any.run 8->43 45 Hides threads from debuggers 8->45 11 RegAsm.exe 9 8->11         started        15 RegAsm.exe 8->15         started        17 RegAsm.exe 8->17         started        process6 dnsIp7 27 csavarcsapagyexpress.hu 185.111.89.226, 49769, 587 WEBSUPPORT-SRO-SK-ASSK Hungary 11->27 29 googlehosted.l.googleusercontent.com 142.250.184.193, 443, 49756 GOOGLEUS United States 11->29 31 drive.google.com 172.217.168.46, 443, 49755 GOOGLEUS United States 11->31 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 57 3 other signatures 11->57 19 conhost.exe 11->19         started        53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->55 signatures8 process9
  • 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
172.217.168.46
 drive.google.com United States
15169 GOOGLEUS false
185.111.89.226
 csavarcsapagyexpress.hu Hungary
51013 WEBSUPPORT-SRO-SK-ASSK true
142.250.184.193
 googlehosted.l.googleusercontent.com United States
15169 GOOGLEUS false

Contacted Domains

Name IP Active
csavarcsapagyexpress.hu 185.111.89.226 true
drive.google.com 172.217.168.46 true
googlehosted.l.googleusercontent.com 142.250.184.193 true
edge-web.dual-gslb.spotify.com 35.186.224.25 true
spclient.wg.spotify.com unknown unknown
doc-04-9g-docs.googleusercontent.com unknown unknown
mail.csavarcsapagyexpress.hu unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
https://doc-04-9g-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/p9irpuq1lj8ip6m4433g3knsldrdvp8d/1634135550000/12448148553778765603/*/1kFeDtVEJdXDeWXxKM0sf_SDs1MXR4dov?e=download false
    		high