Analysis
- max time kernel
140s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
02/03/2023, 13:23
General
- Target Z230221CBKKMCC45245.pdf.exe
- Size 1.2MB
- Sample230302-qmskdsda99
- SHA256 76f5705ac3ded6e48d0fd4106aeee4ff29c928db64475405af07c49456c4a98c
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 2 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\Z230221CBKKMCC45245.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Z230221CBKKMCC45245.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
Loading Replay Monitor...
Downloads
Z230221CBKKMCC45245.pdf.exe.log
memory/4616-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/4616-143-0x0000000001490000-0x00000000014A0000-memory.dmp
memory/4616-144-0x0000000006310000-0x00000000064D2000-memory.dmp
memory/4616-145-0x0000000001490000-0x00000000014A0000-memory.dmp
memory/4860-133-0x0000000000E20000-0x0000000000F60000-memory.dmp
memory/4860-134-0x0000000005E40000-0x00000000063E4000-memory.dmp
memory/4860-135-0x0000000005930000-0x00000000059C2000-memory.dmp
memory/4860-136-0x0000000005B30000-0x0000000005B40000-memory.dmp
memory/4860-137-0x0000000005900000-0x000000000590A000-memory.dmp
memory/4860-138-0x0000000005B30000-0x0000000005B40000-memory.dmp
memory/4860-139-0x0000000007170000-0x000000000720C000-memory.dmp