Windows Analysis Report ROQU2AjKs1

Overview

General Information

Sample Name: ROQU2AjKs1 (renamed file extension from none to exe)
Analysis ID: 458942
MD5: 88c0c0351d382b0f70cc2fc739a69a2d
SHA1: c5ec8d229eac0a6a51b3562f018b1d5f3890ca7b
SHA256: 08321ed32c6805bb09065e8f43be2696404e74498c3ad3fb67a9c61d1bad13d4
Tags: 32exe
Infos:

Most interesting Screenshot:

Detection

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

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Sigma detected: MSBuild connects to smtp port
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected AgentTesla
Yara detected AgentTesla
.NET source code contains very large array initializations
Installs a global keyboard hook
Machine Learning detection for sample
Maps a DLL or memory area into another process
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Antivirus or Machine Learning detection for unpacked file
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates a window with clipboard capturing capabilities
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Internet Provider seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses SMTP (mail sending)
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer

Classification

AV Detection:

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Found malware configuration
Source: 1.2.MSBuild.exe.400000.0.unpack Malware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "Username": "marketing@elnasrcastings.com", "Password": "hello2012", "Host": "mail.elnasrcastings.com"}
Multi AV Scanner detection for submitted file
Source: ROQU2AjKs1.exe Virustotal: Detection: 27% Perma Link
Source: ROQU2AjKs1.exe ReversingLabs: Detection: 42%
Machine Learning detection for sample
Source: ROQU2AjKs1.exe Joe Sandbox ML: detected
Antivirus or Machine Learning detection for unpacked file
Source: 1.2.MSBuild.exe.400000.0.unpack Avira: Label: TR/Spy.Gen8

Compliance:

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Uses 32bit PE files
Source: ROQU2AjKs1.exe Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE
Source: ROQU2AjKs1.exe Static PE information: TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: Binary string: wntdll.pdbUGP source: ROQU2AjKs1.exe, 00000000.00000003.328979839.0000000002510000.00000004.00000001.sdmp
Source: Binary string: wntdll.pdb source: ROQU2AjKs1.exe, 00000000.00000003.328979839.0000000002510000.00000004.00000001.sdmp
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000BA3AD FindFirstFileExW, 0_2_000BA3AD

Networking:

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Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Source: Traffic Snort IDS: 2030171 ET TROJAN AgentTesla Exfil Via SMTP 192.168.2.6:49711 -> 164.132.171.176:587
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.6:49711 -> 164.132.171.176:587
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: OVHFR OVHFR
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.2.6:49711 -> 164.132.171.176:587
Source: unknown DNS traffic detected: queries for: mail.elnasrcastings.com
Source: MSBuild.exe, 00000001.00000002.595803882.0000000003251000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: MSBuild.exe, 00000001.00000002.595803882.0000000003251000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: MSBuild.exe, 00000001.00000002.596681775.00000000035AE000.00000004.00000001.sdmp String found in binary or memory: http://elnasrcastings.com
Source: MSBuild.exe, 00000001.00000002.596681775.00000000035AE000.00000004.00000001.sdmp String found in binary or memory: http://mail.elnasrcastings.com
Source: MSBuild.exe, 00000001.00000002.595803882.0000000003251000.00000004.00000001.sdmp String found in binary or memory: http://nGbdto.com
Source: MSBuild.exe, 00000001.00000002.596681775.00000000035AE000.00000004.00000001.sdmp String found in binary or memory: http://t5JwfNkibVxi.com
Source: ROQU2AjKs1.exe, 00000000.00000002.334786374.0000000002340000.00000040.00000001.sdmp, MSBuild.exe, 00000001.00000002.594529654.0000000000402000.00000040.00000001.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
Source: MSBuild.exe, 00000001.00000002.595803882.0000000003251000.00000004.00000001.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

Key, Mouse, Clipboard, Microphone and Screen Capturing:

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Installs a global keyboard hook
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Windows user hook set: 0 keyboard low level C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Jump to behavior
Creates a window with clipboard capturing capabilities
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Window created: window name: CLIPBRDWNDCLASS Jump to behavior

System Summary:

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.NET source code contains very large array initializations
Source: 1.2.MSBuild.exe.400000.0.unpack, u003cPrivateImplementationDetailsu003eu007bDC6D1FEAu002d76D0u002d4C66u002d9A65u002dBF1A53A67512u007d/E5F46BDEu002d9F33u002d4DD6u002d9CAFu002dA746196347A3.cs Large array initialization: .cctor: array initializer size 11961
Detected potential crypto function
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B83D6 0_2_000B83D6
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B8B59 0_2_000B8B59
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A6C20 0_2_000A6C20
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A9420 0_2_000A9420
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_00FC70CA 1_2_00FC70CA
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_00FCC5DF 1_2_00FCC5DF
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_00FCCA28 1_2_00FCCA28
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_00FC9770 1_2_00FC9770
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_015D5B40 1_2_015D5B40
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_015DF240 1_2_015DF240
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_015D6288 1_2_015D6288
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_015DD858 1_2_015DD858
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_0172CF30 1_2_0172CF30
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_01720790 1_2_01720790
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_017246B0 1_2_017246B0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_01729298 1_2_01729298
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_01721E80 1_2_01721E80
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_017299E8 1_2_017299E8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_01722F20 1_2_01722F20
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_01721630 1_2_01721630
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_01729AE8 1_2_01729AE8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_030A47A0 1_2_030A47A0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_030A4772 1_2_030A4772
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_030A4790 1_2_030A4790
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_017247A5 1_2_017247A5
Sample file is different than original file name gathered from version info
Source: ROQU2AjKs1.exe, 00000000.00000003.329842267.000000000262F000.00000004.00000001.sdmp Binary or memory string: OriginalFilenamentdll.dllj% vs ROQU2AjKs1.exe
Source: ROQU2AjKs1.exe, 00000000.00000002.334786374.0000000002340000.00000040.00000001.sdmp Binary or memory string: OriginalFilenameEqdCaVpgsOSfZbzsqUcSQb.exe4 vs ROQU2AjKs1.exe
Uses 32bit PE files
Source: ROQU2AjKs1.exe Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE
Source: 1.2.MSBuild.exe.400000.0.unpack, A/b2.cs Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 1.2.MSBuild.exe.400000.0.unpack, A/b2.cs Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: classification engine Classification label: mal100.spre.troj.spyw.evad.winEXE@3/0@2/1
Source: ROQU2AjKs1.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: ROQU2AjKs1.exe Virustotal: Detection: 27%
Source: ROQU2AjKs1.exe ReversingLabs: Detection: 42%
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe File read: C:\Users\user\Desktop\ROQU2AjKs1.exe Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\ROQU2AjKs1.exe 'C:\Users\user\Desktop\ROQU2AjKs1.exe'
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe 'C:\Users\user\Desktop\ROQU2AjKs1.exe'
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe 'C:\Users\user\Desktop\ROQU2AjKs1.exe' Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{172BDDF8-CEEA-11D1-8B05-00600806D9B6}\InProcServer32 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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\MSBuild.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Source: ROQU2AjKs1.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IMPORT
Source: ROQU2AjKs1.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_RESOURCE
Source: ROQU2AjKs1.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_BASERELOC
Source: ROQU2AjKs1.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: ROQU2AjKs1.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG
Source: ROQU2AjKs1.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_IAT
Source: ROQU2AjKs1.exe Static PE information: TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: ROQU2AjKs1.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Binary string: wntdll.pdbUGP source: ROQU2AjKs1.exe, 00000000.00000003.328979839.0000000002510000.00000004.00000001.sdmp
Source: Binary string: wntdll.pdb source: ROQU2AjKs1.exe, 00000000.00000003.328979839.0000000002510000.00000004.00000001.sdmp
Source: ROQU2AjKs1.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IMPORT is in: .rdata
Source: ROQU2AjKs1.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_RESOURCE is in: .rsrc
Source: ROQU2AjKs1.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_BASERELOC is in: .reloc
Source: ROQU2AjKs1.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG is in: .rdata
Source: ROQU2AjKs1.exe Static PE information: Data directory: IMAGE_DIRECTORY_ENTRY_IAT is in: .rdata

Data Obfuscation:

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Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A20E8 push ss; retn 0009h 0_2_000A20E5
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A2100 push edx; retn 0009h 0_2_000A2101
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A01F4 push 72000993h; retf 0_2_000A023D
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A2230 push es; ret 0_2_000A2231
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A2250 push esi; ret 0_2_000A2251
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A0251 push 72000993h; retf 0_2_000A023D
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A2254 pushad ; ret 0_2_000A2255
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A226C pushfd ; ret 0_2_000A226D
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_0009D38C push ds; retf 0_2_0009D38D
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000A1F77 push ss; retn 0009h 0_2_000A20E5
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_015DB557 push edi; retn 0000h 1_2_015DB559
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_015DF23C pushad ; ret 1_2_015DF23D
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_01721268 push eax; retf 5505h 1_2_0172162E
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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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\MSBuild.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BaseBoard
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_NetworkAdapterConfiguration
Contains long sleeps (>= 3 min)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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\MSBuild.exe Window / User API: threadDelayed 570 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Window / User API: threadDelayed 9278 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe TID: 2944 Thread sleep time: -17524406870024063s >= -30000s Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe TID: 2924 Thread sleep count: 570 > 30 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe TID: 2924 Thread sleep count: 9278 > 30 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\MSBuild.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000BA3AD FindFirstFileExW, 0_2_000BA3AD
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: MSBuild.exe, 00000001.00000002.599931677.0000000006350000.00000002.00000001.sdmp Binary or memory string: A Virtual Machine could not be started because Hyper-V is not installed.
Source: MSBuild.exe, 00000001.00000002.599931677.0000000006350000.00000002.00000001.sdmp Binary or memory string: A communication protocol error has occurred between the Hyper-V Host and Guest Compute Service.
Source: MSBuild.exe, 00000001.00000002.599931677.0000000006350000.00000002.00000001.sdmp Binary or memory string: The communication protocol version between the Hyper-V Host and Guest Compute Services is not supported.
Source: MSBuild.exe, 00000001.00000002.600101708.0000000006440000.00000004.00000001.sdmp Binary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dll
Source: MSBuild.exe, 00000001.00000002.599931677.0000000006350000.00000002.00000001.sdmp Binary or memory string: An unknown internal message was received by the Hyper-V Compute Service.
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process information queried: ProcessInformation Jump to behavior

Anti Debugging:

barindex
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Code function: 1_2_00FC5D58 LdrInitializeThunk, 1_2_00FC5D58
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B2115 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_000B2115
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000BAF10 mov eax, dword ptr fs:[00000030h] 0_2_000BAF10
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B5D24 mov eax, dword ptr fs:[00000030h] 0_2_000B5D24
Enables debug privileges
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B2115 IsProcessorFeaturePresent,IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_000B2115
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B2377 SetUnhandledExceptionFilter,UnhandledExceptionFilter,GetCurrentProcess,TerminateProcess, 0_2_000B2377
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B485C IsDebuggerPresent,SetUnhandledExceptionFilter,UnhandledExceptionFilter, 0_2_000B485C
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

barindex
Maps a DLL or memory area into another process
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Section loaded: unknown target: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe protection: execute and read and write Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe 'C:\Users\user\Desktop\ROQU2AjKs1.exe' Jump to behavior
Source: MSBuild.exe, 00000001.00000002.595378334.0000000001AF0000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: MSBuild.exe, 00000001.00000002.595378334.0000000001AF0000.00000002.00000001.sdmp Binary or memory string: Progman
Source: MSBuild.exe, 00000001.00000002.595378334.0000000001AF0000.00000002.00000001.sdmp Binary or memory string: &Program Manager
Source: MSBuild.exe, 00000001.00000002.595378334.0000000001AF0000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

barindex
Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B1E34 cpuid 0_2_000B1E34
Queries the volume information (name, serial number etc) of a device
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Queries volume information: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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\MSBuild.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\MSBuild.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\MSBuild.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\MSBuild.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\MSBuild.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Management\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Management.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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\MSBuild.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:\Users\user\Desktop\ROQU2AjKs1.exe Code function: 0_2_000B2005 GetSystemTimeAsFileTime,GetCurrentThreadId,GetCurrentProcessId,QueryPerformanceCounter, 0_2_000B2005
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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: 0.2.ROQU2AjKs1.exe.2340000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.ROQU2AjKs1.exe.2340000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 1.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000001.00000002.594529654.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.334786374.0000000002340000.00000040.00000001.sdmp, type: MEMORY
Yara detected AgentTesla
Source: Yara match File source: 0.2.ROQU2AjKs1.exe.2340000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.ROQU2AjKs1.exe.2340000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 1.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000001.00000002.594529654.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.334786374.0000000002340000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: ROQU2AjKs1.exe PID: 3448, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: MSBuild.exe PID: 1268, type: MEMORYSTR
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Key opened: HKEY_CURRENT_USER\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions Jump to behavior
Tries to harvest and steal browser information (history, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Tries to harvest and steal ftp login credentials
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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\MSBuild.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Yara detected Credential Stealer
Source: Yara match File source: 00000001.00000002.595803882.0000000003251000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: MSBuild.exe PID: 1268, type: MEMORYSTR

Remote Access Functionality:

barindex
Yara detected AgentTesla
Source: Yara match File source: 0.2.ROQU2AjKs1.exe.2340000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.ROQU2AjKs1.exe.2340000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 1.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000001.00000002.594529654.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.334786374.0000000002340000.00000040.00000001.sdmp, type: MEMORY
Yara detected AgentTesla
Source: Yara match File source: 0.2.ROQU2AjKs1.exe.2340000.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.ROQU2AjKs1.exe.2340000.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 1.2.MSBuild.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000001.00000002.594529654.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.334786374.0000000002340000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: ROQU2AjKs1.exe PID: 3448, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: MSBuild.exe PID: 1268, 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 signatures2 2 Behavior Graph ID: 458942 Sample: ROQU2AjKs1 Startdate: 03/08/2021 Architecture: WINDOWS Score: 100 17 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->17 19 Found malware configuration 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 5 other signatures 2->23 6 ROQU2AjKs1.exe 2->6         started        process3 signatures4 25 Maps a DLL or memory area into another process 6->25 9 MSBuild.exe 2 6->9         started        process5 dnsIp6 13 elnasrcastings.com 164.132.171.176, 49711, 587 OVHFR France 9->13 15 mail.elnasrcastings.com 9->15 27 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 9->27 29 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->29 31 Tries to steal Mail credentials (via file access) 9->31 33 4 other signatures 9->33 signatures7
  • 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
164.132.171.176
 elnasrcastings.com France
16276 OVHFR true

Contacted Domains

Name IP Active
elnasrcastings.com 164.132.171.176 true
mail.elnasrcastings.com unknown unknown