Analysis
- max time kernel
129s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
24/01/2023, 15:40
General
- Target GENERAL CERTIFICATE.scr.exe
- Size 15KB
- Sample230124-s3715acd33
- SHA256 5fd0f81bd06b45d4db78cae537594cf704f1cbf5259242279ac011cffa0d4baf
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5497972920:AAHqqS9EfkxnwYz3pQtCWef33URevfy5tRk/sendMessage?chat_id=1653988628
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.
- Adds Run key to start application 2 TTPs 1 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.
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\GENERAL CERTIFICATE.scr.exe"C:\Users\Admin\AppData\Local\Temp\GENERAL CERTIFICATE.scr.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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 cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\GENERAL CERTIFICATE.scr.exe"C:\Users\Admin\AppData\Local\Temp\GENERAL CERTIFICATE.scr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 15363⤵
- Program crash
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1352 -ip 13521⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1352-145-0x00000000055B0000-0x000000000564C000-memory.dmp
memory/1352-144-0x0000000005AC0000-0x0000000006064000-memory.dmp
memory/1352-143-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1528-132-0x0000000000610000-0x000000000061A000-memory.dmp
memory/1528-133-0x0000000006040000-0x0000000006062000-memory.dmp
memory/4764-138-0x0000000005930000-0x0000000005996000-memory.dmp
memory/4764-139-0x0000000005F50000-0x0000000005F6E000-memory.dmp
memory/4764-140-0x00000000077D0000-0x0000000007E4A000-memory.dmp
memory/4764-141-0x0000000006450000-0x000000000646A000-memory.dmp
memory/4764-137-0x0000000005130000-0x0000000005196000-memory.dmp
memory/4764-136-0x00000000051D0000-0x00000000057F8000-memory.dmp
memory/4764-135-0x0000000002960000-0x0000000002996000-memory.dmp