Analysis
- max time kernel
123s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
05/07/2022, 17:22
General
- Target vbc.exe
- Size 374KB
- Sample220705-vxjsfsdbe8
- SHA256 70c021052ad4b72188bf5d6c960e668524c7d538e9d30e4991269f7a5e79a566
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5471298201:AAGFh758keN2eA73SQlIsmB91r4EW74GWCo/sendMessage?chat_id=5144477649
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.
- Uses the VBS compiler for execution 1 TTPs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\vbc.exe"C:\Users\Admin\AppData\Local\Temp\vbc.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" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1688-138-0x0000000007790000-0x0000000007E0A000-memory.dmp
memory/1688-139-0x0000000006620000-0x000000000663A000-memory.dmp
memory/1688-133-0x0000000005430000-0x0000000005A58000-memory.dmp
memory/1688-134-0x0000000005160000-0x0000000005182000-memory.dmp
memory/1688-135-0x0000000005200000-0x0000000005266000-memory.dmp
memory/1688-136-0x0000000005AD0000-0x0000000005B36000-memory.dmp
memory/1688-137-0x0000000006120000-0x000000000613E000-memory.dmp
memory/1688-132-0x0000000002C70000-0x0000000002CA6000-memory.dmp
memory/3028-144-0x0000000005800000-0x000000000589C000-memory.dmp
memory/3028-142-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3028-143-0x0000000005DB0000-0x0000000006354000-memory.dmp
memory/3028-146-0x0000000006880000-0x0000000006A42000-memory.dmp
memory/3028-147-0x0000000006840000-0x000000000684A000-memory.dmp
memory/4120-140-0x00000000060C0000-0x0000000006152000-memory.dmp
memory/4120-130-0x0000000000360000-0x00000000003C4000-memory.dmp