Analysis
- max time kernel
147s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
08/02/2023, 16:51
General
- Target SHIPPING DOC(1).exe
- Size 327KB
- Sample230208-vctrxsda97
- SHA256 9b5c3c9ea67248603ff93f97602bb0edcd66d702b00c3d08566528e3acdf073e
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC(1).exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC(1).exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\nmwptynys.exe"C:\Users\Admin\AppData\Local\Temp\nmwptynys.exe" C:\Users\Admin\AppData\Local\Temp\mwfbxghoidu.j2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\nmwptynys.exe"C:\Users\Admin\AppData\Local\Temp\nmwptynys.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mwfbxghoidu.j
nmwptynys.exe
nmwptynys.exe
nmwptynys.exe
rzhmzwn.ana
memory/4412-139-0x0000000004A40000-0x0000000004FE4000-memory.dmp
memory/4412-140-0x0000000000400000-0x0000000000441000-memory.dmp
memory/4412-141-0x0000000004FF0000-0x0000000005056000-memory.dmp
memory/4412-142-0x0000000005870000-0x0000000005902000-memory.dmp
memory/4412-143-0x0000000005AD0000-0x0000000005ADA000-memory.dmp
memory/4412-144-0x0000000005AF0000-0x0000000005B40000-memory.dmp
memory/4412-145-0x0000000005B70000-0x0000000005D32000-memory.dmp