Analysis
- max time kernel
125s - max time network
152s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
22/09/2021, 05:45
General
- Target af44b5bcd6672e735a8010f692df9672.exe
- Size 258KB
- Sample210922-gfqyjsbfa3
- SHA256 575851a7e2354cd5541ba5839a38b687c7bbe85e58a44a96fa3afce12cebb4e3
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1816395306:AAE3ZBLYV2L9aT9mL8itL9vr3RP6nOz_B1o/sendMessage?chat_id=1368673464
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Loads dropped DLL 1 IoCs
- Looks up external IP address via web service 3 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 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\af44b5bcd6672e735a8010f692df9672.exe"C:\Users\Admin\AppData\Local\Temp\af44b5bcd6672e735a8010f692df9672.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\af44b5bcd6672e735a8010f692df9672.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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/2164-117-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2164-119-0x0000000005C40000-0x0000000005C41000-memory.dmp
memory/2164-120-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/2164-121-0x0000000005740000-0x0000000005C3E000-memory.dmp
memory/2164-123-0x0000000006890000-0x0000000006891000-memory.dmp
memory/2164-124-0x0000000006C00000-0x0000000006C01000-memory.dmp
memory/2164-125-0x0000000006B80000-0x0000000006B81000-memory.dmp
memory/2164-126-0x0000000005740000-0x0000000005C3E000-memory.dmp