Analysis
- max time kernel
71s - max time network
129s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
27/03/2023, 10:20
General
- Target sira ters.exe
- Size 1.0MB
- Sample230327-mc4ywsfa4s
- SHA256 285442f66366aab5b789ec12e4e484b345f4c3a5e3357841507ccb0d0049ac0e
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5310184099:AAGxqu0IL8tjOF6Eq6x2u0gfcHhvuxRwfLU/sendMessage?chat_id=5350445922
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 7 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
- 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\sira ters.exe"C:\Users\Admin\AppData\Local\Temp\sira ters.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\sira ters.exe"C:\Users\Admin\AppData\Local\Temp\sira ters.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
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Downloads
memory/1296-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1296-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1296-72-0x0000000004DD0000-0x0000000004E10000-memory.dmp
memory/1296-71-0x0000000004DD0000-0x0000000004E10000-memory.dmp
memory/1296-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1296-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1296-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1296-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1296-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1296-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/2032-55-0x0000000000D30000-0x0000000000D70000-memory.dmp
memory/2032-60-0x0000000000D00000-0x0000000000D28000-memory.dmp
memory/2032-54-0x0000000001240000-0x000000000134C000-memory.dmp
memory/2032-59-0x0000000005D70000-0x0000000005E10000-memory.dmp
memory/2032-58-0x0000000000AC0000-0x0000000000ACC000-memory.dmp
memory/2032-57-0x0000000000D30000-0x0000000000D70000-memory.dmp
memory/2032-56-0x00000000006E0000-0x0000000000700000-memory.dmp