Analysis
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max time kernel
94s -
max time network
103s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26-09-2024 10:52
Static task
static1
Behavioral task
behavioral1
Sample
Ref_336210627.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Ref_336210627.exe
Resource
win10v2004-20240802-en
General
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Target
Ref_336210627.exe
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Size
179KB
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MD5
bd22f0c99670c51675ebb91843db7181
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SHA1
8d290ff02196024b6ae7a564172a29e73e00de7d
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SHA256
8921e9e55861c043b028cee713316efd923aff62fca9abb2e7cc7eb3092063e3
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SHA512
255968a80a157bd6e37bb780cf69849c2dc829830d1bc0ae011b70be5bef888b3a7d6590a384e3456dbeb43fdcedf7dc09f7c753806d87973ca154659afe7b91
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SSDEEP
3072:EuV8gCfET/JXYoqbo81ZvFe3sf8Y1DXylHyoWmbdyFQgrqyYTXrDD62zU/s:EWIf4XYtz1ZvFe3sf1XylSioFgTjh9
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
bisttro.shop - Port:
587 - Username:
[email protected] - Password:
W79cDo2h05Iv - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/3908-1095-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4868 created 3472 4868 Ref_336210627.exe 56 -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ijohw = "C:\\Users\\Admin\\AppData\\Roaming\\ijohw.exe" Ref_336210627.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 21 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4868 set thread context of 3908 4868 Ref_336210627.exe 87 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language choice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Ref_336210627.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4868 Ref_336210627.exe 3908 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4868 Ref_336210627.exe Token: SeDebugPrivilege 4868 Ref_336210627.exe Token: SeDebugPrivilege 3908 InstallUtil.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4868 wrote to memory of 3908 4868 Ref_336210627.exe 87 PID 4868 wrote to memory of 3908 4868 Ref_336210627.exe 87 PID 4868 wrote to memory of 3908 4868 Ref_336210627.exe 87 PID 4868 wrote to memory of 3908 4868 Ref_336210627.exe 87 PID 4868 wrote to memory of 3908 4868 Ref_336210627.exe 87 PID 4868 wrote to memory of 3908 4868 Ref_336210627.exe 87 PID 4868 wrote to memory of 3908 4868 Ref_336210627.exe 87 PID 4868 wrote to memory of 3908 4868 Ref_336210627.exe 87 PID 3908 wrote to memory of 1808 3908 InstallUtil.exe 90 PID 3908 wrote to memory of 1808 3908 InstallUtil.exe 90 PID 3908 wrote to memory of 1808 3908 InstallUtil.exe 90 PID 1808 wrote to memory of 4184 1808 cmd.exe 92 PID 1808 wrote to memory of 4184 1808 cmd.exe 92 PID 1808 wrote to memory of 4184 1808 cmd.exe 92
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3472
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C:\Users\Admin\AppData\Local\Temp\Ref_336210627.exe"C:\Users\Admin\AppData\Local\Temp\Ref_336210627.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4868
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3908 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
- System Location Discovery: System Language Discovery
PID:4184
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