Analysis
- max time kernel
135s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
18/06/2023, 16:07
General
- Target Document_pdf.exe
- Size 730KB
- Sample230618-tkl7dahd2s
- SHA256 a1c081c8a37a05282ab2fbcc32ea8f3ab2fe4992ff2d860b8bcf3b40d3c24e51
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5480024987:AAEOw0FrXbZvPh7UKydmAyaZODSJd4PSlkU/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 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\Document_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Document_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Document_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Document_pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
Document_pdf.exe.log
memory/3568-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3568-147-0x0000000007480000-0x0000000007642000-memory.dmp
memory/3568-146-0x0000000007260000-0x00000000072B0000-memory.dmp
memory/3568-145-0x0000000005840000-0x0000000005850000-memory.dmp
memory/3568-144-0x0000000005840000-0x0000000005850000-memory.dmp
memory/3568-143-0x0000000005850000-0x00000000058B6000-memory.dmp
memory/4644-136-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4644-139-0x00000000071C0000-0x000000000725C000-memory.dmp
memory/4644-138-0x0000000005510000-0x0000000005520000-memory.dmp
memory/4644-137-0x00000000054E0000-0x00000000054EA000-memory.dmp
memory/4644-133-0x0000000000AA0000-0x0000000000B5C000-memory.dmp
memory/4644-135-0x0000000005560000-0x00000000055F2000-memory.dmp
memory/4644-134-0x0000000005B10000-0x00000000060B4000-memory.dmp