Analysis
- max time kernel
91s - max time network
114s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
27/02/2023, 09:24
General
- Target ljC5Y1fa6ilPfDC.exe
- Size 1.0MB
- Sample230227-lc29macf6y
- SHA256 534c9a9fa4838e6f01ba0efc8bb323c0d5d09095d7c0f95a0c70bb69473250eb
Malware Config
Extracted
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snakekeylogger
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https://api.telegram.org/bot6153811580:AAFDLNZoT-HelPNUs1JOyE22nWD-iLH7QKY/sendMessage?chat_id=5582419717
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ljC5Y1fa6ilPfDC.exe"C:\Users\Admin\AppData\Local\Temp\ljC5Y1fa6ilPfDC.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lwbuGspQZ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lwbuGspQZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2EEF.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 14603⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1472 -ip 14721⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
__PSScriptPolicyTest_0dbh0qsa.b30.ps1
tmp2EEF.tmp
memory/560-134-0x00000000050F0000-0x0000000005694000-memory.dmp
memory/560-135-0x0000000004BE0000-0x0000000004C72000-memory.dmp
memory/560-136-0x0000000004B90000-0x0000000004B9A000-memory.dmp
memory/560-137-0x0000000004D30000-0x0000000004D40000-memory.dmp
memory/560-138-0x0000000004D30000-0x0000000004D40000-memory.dmp
memory/560-139-0x0000000008850000-0x00000000088EC000-memory.dmp
memory/560-133-0x00000000000B0000-0x00000000001BA000-memory.dmp
memory/1472-149-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1472-164-0x00000000059B0000-0x00000000059C0000-memory.dmp
memory/4288-152-0x0000000005F90000-0x0000000005FF6000-memory.dmp
memory/4288-166-0x00000000704D0000-0x000000007051C000-memory.dmp
memory/4288-151-0x0000000005EF0000-0x0000000005F12000-memory.dmp
memory/4288-147-0x0000000002C80000-0x0000000002C90000-memory.dmp
memory/4288-146-0x0000000005730000-0x0000000005D58000-memory.dmp
memory/4288-158-0x0000000006070000-0x00000000060D6000-memory.dmp
memory/4288-163-0x0000000006680000-0x000000000669E000-memory.dmp
memory/4288-144-0x00000000050C0000-0x00000000050F6000-memory.dmp
memory/4288-165-0x0000000007640000-0x0000000007672000-memory.dmp
memory/4288-148-0x0000000002C80000-0x0000000002C90000-memory.dmp
memory/4288-176-0x0000000006C40000-0x0000000006C5E000-memory.dmp
memory/4288-177-0x0000000002C80000-0x0000000002C90000-memory.dmp
memory/4288-178-0x000000007F4F0000-0x000000007F500000-memory.dmp
memory/4288-179-0x0000000007FE0000-0x000000000865A000-memory.dmp
memory/4288-180-0x0000000007990000-0x00000000079AA000-memory.dmp
memory/4288-181-0x0000000007A10000-0x0000000007A1A000-memory.dmp
memory/4288-182-0x0000000007C20000-0x0000000007CB6000-memory.dmp
memory/4288-183-0x0000000007BD0000-0x0000000007BDE000-memory.dmp
memory/4288-184-0x0000000007CE0000-0x0000000007CFA000-memory.dmp
memory/4288-185-0x0000000007CC0000-0x0000000007CC8000-memory.dmp