Analysis
- max time kernel
124s - max time network
137s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
26/09/2021, 14:41
General
- Target baa34a47a3e304011252780a85ae56be.exe
- Size 257KB
- Sample210926-r2e4aaehck
- SHA256 e3b25e21c6d04b5f2d72025c7956dbc3a4a5613f3b8d7ab8d0010bc3d437bc1b
Malware Config
Extracted
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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 2 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\baa34a47a3e304011252780a85ae56be.exe"C:\Users\Admin\AppData\Local\Temp\baa34a47a3e304011252780a85ae56be.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\baa34a47a3e304011252780a85ae56be.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/2496-117-0x0000000000700000-0x0000000000726000-memory.dmp
memory/2496-119-0x0000000005160000-0x0000000005161000-memory.dmp
memory/2496-120-0x0000000004C60000-0x0000000004C61000-memory.dmp
memory/2496-121-0x0000000004C60000-0x000000000515E000-memory.dmp
memory/2496-123-0x0000000005DB0000-0x0000000005DB1000-memory.dmp
memory/2496-124-0x0000000006120000-0x0000000006121000-memory.dmp
memory/2496-125-0x00000000060A0000-0x00000000060A1000-memory.dmp
memory/2496-126-0x0000000004C60000-0x000000000515E000-memory.dmp