Analysis
- max time kernel
114s - max time network
123s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
03/12/2021, 09:46
General
- Target 200987654234567800987654.exe
- Size 807KB
- Sample211203-lrpxvabac5
- SHA256 d0087c8bc92d7b64c7462f2345f48da29741eaf8b0daeccaae02c52ff4233a66
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 3 IoCs
- Loads dropped DLL 1 IoCs
- 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
- Drops desktop.ini file(s) 2 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
- Drops file in Windows directory 3 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 use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\200987654234567800987654.exe"C:\Users\Admin\AppData\Local\Temp\200987654234567800987654.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\200987654234567800987654.exe"C:\Users\Admin\AppData\Local\Temp\200987654234567800987654.exe"2⤵
- Accesses Microsoft Outlook profiles
- Drops desktop.ini file(s)
- Drops file in Windows directory
- 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
memory/3364-116-0x0000000000400000-0x000000000048B000-memory.dmp
memory/3364-118-0x0000000000400000-0x000000000048B000-memory.dmp
memory/3364-121-0x0000000000652000-0x0000000000654000-memory.dmp
memory/3364-119-0x0000000000650000-0x0000000000651000-memory.dmp
memory/3364-120-0x0000000000651000-0x0000000000652000-memory.dmp
memory/3364-122-0x0000000000657000-0x0000000000658000-memory.dmp
memory/3364-123-0x0000000000658000-0x0000000000659000-memory.dmp