Analysis
- max time kernel
142s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
07/06/2023, 09:50
General
- Target Payment for MAWB NO 297-8450-7231.exe
- Size 379KB
- Sample230607-ltx18she42
- SHA256 7ca4331b53cb649259648314c7e8eb267cfba6d16fdbc58273fd1005584f4b91
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Loads dropped DLL 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
- Adds Run key to start application 2 TTPs 2 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment for MAWB NO 297-8450-7231.exe"C:\Users\Admin\AppData\Local\Temp\Payment for MAWB NO 297-8450-7231.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Payment for MAWB NO 297-8450-7231.exe"C:\Users\Admin\AppData\Local\Temp\Payment for MAWB NO 297-8450-7231.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
gtsziir.dll
memory/2764-150-0x0000000004AF0000-0x0000000004B00000-memory.dmp
memory/2764-151-0x00000000049F0000-0x0000000004A56000-memory.dmp
memory/2764-142-0x0000000000400000-0x0000000000441000-memory.dmp
memory/2764-141-0x0000000000400000-0x0000000000441000-memory.dmp
memory/2764-145-0x0000000004B00000-0x00000000050A4000-memory.dmp
memory/2764-146-0x0000000000400000-0x0000000000441000-memory.dmp
memory/2764-148-0x0000000004AF0000-0x0000000004B00000-memory.dmp
memory/2764-147-0x0000000004AF0000-0x0000000004B00000-memory.dmp
memory/2764-160-0x0000000006250000-0x000000000625A000-memory.dmp
memory/2764-149-0x0000000004AF0000-0x0000000004B00000-memory.dmp
memory/2764-144-0x0000000000400000-0x0000000000441000-memory.dmp
memory/2764-153-0x0000000004AF0000-0x0000000004B00000-memory.dmp
memory/2764-154-0x0000000004AF0000-0x0000000004B00000-memory.dmp
memory/2764-155-0x0000000004AF0000-0x0000000004B00000-memory.dmp
memory/2764-156-0x0000000004AF0000-0x0000000004B00000-memory.dmp
memory/2764-157-0x0000000005F00000-0x0000000005F50000-memory.dmp
memory/2764-158-0x0000000005F70000-0x0000000006132000-memory.dmp
memory/2764-159-0x0000000006140000-0x00000000061D2000-memory.dmp
memory/4764-143-0x0000000002410000-0x0000000002412000-memory.dmp