Analysis
- max time kernel
61s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
30/01/2023, 10:34
General
- Target STOWAGE PLAN.exe
- Size 6KB
- Sample230130-ml8nfaaa83
- SHA256 2f7bd380536e16506e680cc1ad9dfd613a4bd05d365f542ecbdb1bd16562f11d
Malware Config
Extracted
-
purecrypter
-
http://185.225.74.107/Otetnraanrc.dll
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/sendMessage?chat_id=1745211648
Signatures
- PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
- 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.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\STOWAGE PLAN.exe"C:\Users\Admin\AppData\Local\Temp\STOWAGE PLAN.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\STOWAGE PLAN.exe"C:\Users\Admin\AppData\Local\Temp\STOWAGE PLAN.exe"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
STOWAGE PLAN.exe.log
memory/116-149-0x0000000006090000-0x000000000609A000-memory.dmp
memory/116-148-0x00000000062A0000-0x0000000006332000-memory.dmp
memory/116-147-0x00000000060D0000-0x0000000006292000-memory.dmp
memory/116-146-0x0000000004E60000-0x0000000004EFC000-memory.dmp
memory/116-145-0x0000000005410000-0x00000000059B4000-memory.dmp
memory/116-143-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1528-133-0x0000000005FF0000-0x0000000006012000-memory.dmp
memory/1528-132-0x0000000000060000-0x0000000000068000-memory.dmp
memory/4900-136-0x0000000005AF0000-0x0000000006118000-memory.dmp
memory/4900-141-0x0000000006D80000-0x0000000006D9A000-memory.dmp
memory/4900-140-0x0000000008120000-0x000000000879A000-memory.dmp
memory/4900-139-0x00000000068A0000-0x00000000068BE000-memory.dmp
memory/4900-138-0x0000000006230000-0x0000000006296000-memory.dmp
memory/4900-137-0x00000000061C0000-0x0000000006226000-memory.dmp
memory/4900-135-0x0000000002F60000-0x0000000002F96000-memory.dmp