Analysis
- max time kernel
158s - max time network
202s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
03/10/2022, 07:51
General
- Target SCANDOCUMENTS-pdf.exe
- Size 1.1MB
- Sample221003-jptf5sfdck
- SHA256 f92fca8c50a39b7f1500f25ea30c0b21078f9fc5689fd4070b48bebe8dc3e7f6
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5387999448:AAENk6Reb2hxJqqD2rN6fIet7kanu0isfWg/sendMessage?chat_id=1413074050
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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SCANDOCUMENTS-pdf.exe"C:\Users\Admin\AppData\Local\Temp\SCANDOCUMENTS-pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SCANDOCUMENTS-pdf.exe"C:\Users\Admin\AppData\Local\Temp\SCANDOCUMENTS-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
SCANDOCUMENTS-pdf.exe.log
memory/572-139-0x0000000000400000-0x0000000000426000-memory.dmp
memory/572-141-0x0000000006B70000-0x0000000006D32000-memory.dmp
memory/4936-132-0x00000000008E0000-0x00000000009F6000-memory.dmp
memory/4936-133-0x0000000005960000-0x0000000005F04000-memory.dmp
memory/4936-134-0x00000000053B0000-0x0000000005442000-memory.dmp
memory/4936-135-0x0000000005550000-0x000000000555A000-memory.dmp
memory/4936-136-0x00000000092A0000-0x000000000933C000-memory.dmp
memory/4936-137-0x0000000001120000-0x0000000001186000-memory.dmp