Analysis
- max time kernel
124s - max time network
130s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
03/12/2021, 09:47
General
- Target 2345678098765T4323456789.exe
- Size 793KB
- Sample211203-lr7snabac6
- SHA256 83a5ba65b562afb66309deae1567c919f0e08de04e2c00bb85c55102fe023b0b
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\2345678098765T4323456789.exe"C:\Users\Admin\AppData\Local\Temp\2345678098765T4323456789.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2345678098765T4323456789.exe"C:\Users\Admin\AppData\Local\Temp\2345678098765T4323456789.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/3988-116-0x0000000000400000-0x000000000048B000-memory.dmp
memory/3988-118-0x0000000000400000-0x000000000048B000-memory.dmp
memory/3988-119-0x0000000002460000-0x0000000002461000-memory.dmp
memory/3988-120-0x0000000002461000-0x0000000002462000-memory.dmp
memory/3988-122-0x0000000002467000-0x0000000002468000-memory.dmp
memory/3988-121-0x0000000002462000-0x0000000002464000-memory.dmp
memory/3988-123-0x0000000002468000-0x0000000002469000-memory.dmp