Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
07/06/2023, 09:47
General
- Target OriginalCopy2023001982_pdf.exe
- Size 751KB
- Sample230607-lr7gwsaa8v
- SHA256 a0787c1c94372a5db2c8eb50b3e33ad43fbfc8f8cfe87872a549ee251bd1e766
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://valvulasthermovalve.cl
-
Port
21
-
Username
-
Password
LILKOOLL14!!
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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 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\OriginalCopy2023001982_pdf.exe"C:\Users\Admin\AppData\Local\Temp\OriginalCopy2023001982_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\OriginalCopy2023001982_pdf.exe"C:\Users\Admin\AppData\Local\Temp\OriginalCopy2023001982_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
OriginalCopy2023001982_pdf.exe.log
memory/664-139-0x0000000006D70000-0x0000000006E0C000-memory.dmp
memory/664-135-0x00000000051A0000-0x0000000005232000-memory.dmp
memory/664-136-0x00000000050C0000-0x00000000050CA000-memory.dmp
memory/664-137-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/664-138-0x0000000005390000-0x00000000053A0000-memory.dmp
memory/664-133-0x0000000000650000-0x0000000000710000-memory.dmp
memory/664-134-0x0000000005750000-0x0000000005CF4000-memory.dmp
memory/736-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/736-143-0x0000000005850000-0x00000000058B6000-memory.dmp
memory/736-144-0x0000000005A00000-0x0000000005A10000-memory.dmp
memory/736-145-0x0000000006E50000-0x0000000006EA0000-memory.dmp
memory/736-146-0x0000000007070000-0x0000000007232000-memory.dmp
memory/736-147-0x0000000005A00000-0x0000000005A10000-memory.dmp