Analysis
- max time kernel
141s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
06/03/2023, 15:39
General
- Target 854F1E97-5DBB-4A87-A566-33D9012B05E2.pdf.exe
- Size 867KB
- Sample230306-s3l4nada96
- SHA256 8ec589783ee99df7f41c722cd5e082a377a24d8e0f26121ade720132e09a574e
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/1040-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1040-143-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
memory/1040-144-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
memory/1040-145-0x00000000062B0000-0x0000000006472000-memory.dmp
memory/2708-133-0x0000000000140000-0x0000000000220000-memory.dmp
memory/2708-134-0x0000000005050000-0x00000000055F4000-memory.dmp
memory/2708-135-0x0000000004BA0000-0x0000000004C32000-memory.dmp
memory/2708-136-0x0000000004DA0000-0x0000000004DB0000-memory.dmp
memory/2708-137-0x0000000004D40000-0x0000000004D4A000-memory.dmp
memory/2708-138-0x0000000004E50000-0x0000000004EEC000-memory.dmp
memory/2708-139-0x0000000004DA0000-0x0000000004DB0000-memory.dmp