Analysis
- max time kernel
144s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
15/12/2022, 14:23
General
- Target Payment instruction.exe
- Size 902KB
- Sample221215-rp47msce72
- SHA256 2200860726cd8b2d878f4194b29418ca4cf2b2ca056ba21d5fd34ce3362b9c7e
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5484820495:AAGEjy8dT72vJZImmHLmeh3onMuG9LLRD5A/sendMessage?chat_id=5101327412
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.
- 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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment instruction.exe"C:\Users\Admin\AppData\Local\Temp\Payment instruction.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zAJwHSc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFF0.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmpFFF0.tmp
memory/4420-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4420-141-0x0000000006390000-0x0000000006552000-memory.dmp
memory/4500-132-0x0000000000690000-0x0000000000778000-memory.dmp
memory/4500-133-0x0000000005790000-0x0000000005D34000-memory.dmp
memory/4500-134-0x00000000050F0000-0x0000000005182000-memory.dmp
memory/4500-135-0x0000000005280000-0x000000000531C000-memory.dmp
memory/4500-136-0x00000000051A0000-0x00000000051AA000-memory.dmp