Analysis
- max time kernel
91s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
17/10/2022, 17:32
General
- Target payment details.exe
- Size 646KB
- Sample221017-v39wtscdg6
- SHA256 087aebbdfb77329742253993b8a9c9f8a9adb71f27941dbca560de30d84c41bf
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/sendMessage?chat_id=1637651323
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.
- 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
- 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 SetWindowsHookEx 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 details.exe"C:\Users\Admin\AppData\Local\Temp\payment details.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mwxqOQXxA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp730D.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\payment details.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
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Downloads
payment details.exe.log
tmp730D.tmp
memory/564-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/564-142-0x00000000067E0000-0x00000000069A2000-memory.dmp
memory/4108-132-0x0000000000140000-0x00000000001E8000-memory.dmp
memory/4108-133-0x0000000007510000-0x0000000007AB4000-memory.dmp
memory/4108-134-0x0000000007060000-0x00000000070F2000-memory.dmp
memory/4108-135-0x00000000071A0000-0x000000000723C000-memory.dmp
memory/4108-136-0x0000000007100000-0x000000000710A000-memory.dmp