Analysis
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max time kernel
117s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31/01/2024, 08:25
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe
Resource
win10v2004-20231215-en
General
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Target
SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe
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Size
574KB
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MD5
4cef4213abb096ac7a418641bf3d9e5b
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SHA1
c2e872f08030fe0c33ba31055ee7f339e3bc9f92
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SHA256
aeeca36d177b00781e8a69a0f4cf0b95c7fba372ed672d2453ad97bc8e93ca9d
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SHA512
e93098d8b9b3e02b905d31cc674e025b931d68aa18ea7cdc3c9aee9184161e8186929c3cd54098ea9381d8f18fbfc838b051eb1ac2ef9c584f56495a811617eb
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SSDEEP
12288:FD8j8qshDLtAJE1/GnFKJjo12J9jPbrNr46x:J8bshvtQE9GOPjF
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
resource yara_rule behavioral1/memory/2596-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2596-15-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2596-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2596-20-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2596-22-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1720 set thread context of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 2596 MSBuild.exe 2596 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe Token: SeDebugPrivilege 2596 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 PID 1720 wrote to memory of 2596 1720 SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.TrojanLoader.MSIL.DaVinci.Heur.7337.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2596
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