Analysis
- max time kernel
109s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
24/02/2023, 10:09
General
- Target 854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.exe
- Size 769KB
- Sample230224-l6smaach21
- SHA256 8fd22f3a7bd250cdc73b4b603c085906d19f8a55b0767465bccbf7c3a5df7e81
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5253212199:AAG-02qWN77aEjxlYTZ-WAZ7WOi_I4kCde8/sendMessage?chat_id=2128925974
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 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
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 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\854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.exe"C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.exe"C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.exe"C:\Users\Admin\AppData\Local\Temp\854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.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
854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.exe.log
memory/1372-141-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1372-146-0x0000000005850000-0x0000000005860000-memory.dmp
memory/1372-145-0x0000000006920000-0x0000000006AE2000-memory.dmp
memory/1372-144-0x0000000005850000-0x0000000005860000-memory.dmp
memory/4640-136-0x0000000005120000-0x000000000512A000-memory.dmp
memory/4640-139-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/4640-140-0x0000000007F20000-0x0000000007FBC000-memory.dmp
memory/4640-138-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/4640-137-0x00000000055B0000-0x0000000005756000-memory.dmp
memory/4640-133-0x00000000006D0000-0x0000000000796000-memory.dmp
memory/4640-135-0x0000000005140000-0x00000000051D2000-memory.dmp
memory/4640-134-0x00000000057C0000-0x0000000005D64000-memory.dmp