Resubmissions
18/05/2024, 16:28
240518-tyx6ssce931018/05/2024, 16:26
240518-txjxsacd961018/05/2024, 16:25
240518-twx31scb7x1018/05/2024, 15:54
240518-tca45sbb3x1018/05/2024, 15:51
240518-tazpqabb8210Analysis
- max time kernel
66s - max time network
72s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
18/05/2024, 15:54
General
- Target VRThook Spoofer.exe
- Size 7.1MB
- Sample240518-tca45sbb3x
- SHA256 9ddd4b094446a4932e71a3307c2a5210c8cb53be65d006840503c285d571e123
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- Downloads MZ/PE file
- Sets service image path in registry 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: LoadsDriver 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe"C:\Users\Admin\AppData\Local\Temp\VRThook Spoofer.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Windows\mapper.exe C:\Windows\driver.sys2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\mapper.exeC:\Windows\mapper.exe C:\Windows\driver.sys3⤵
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mapper.exe
memory/5112-8-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/5112-10-0x00000000074D0000-0x000000000756C000-memory.dmp
memory/5112-3-0x0000000005530000-0x00000000055C2000-memory.dmp
memory/5112-4-0x00000000053A0000-0x00000000053B2000-memory.dmp
memory/5112-5-0x0000000005440000-0x000000000544A000-memory.dmp
memory/5112-6-0x0000000074950000-0x0000000075100000-memory.dmp
memory/5112-2-0x0000000005AE0000-0x0000000006084000-memory.dmp
memory/5112-7-0x00000000056C0000-0x00000000057DA000-memory.dmp
memory/5112-9-0x0000000006090000-0x00000000062A4000-memory.dmp
memory/5112-0-0x000000007495E000-0x000000007495F000-memory.dmp
memory/5112-11-0x0000000074950000-0x0000000075100000-memory.dmp
memory/5112-13-0x0000000009400000-0x000000000943C000-memory.dmp
memory/5112-14-0x000000007495E000-0x000000007495F000-memory.dmp
memory/5112-15-0x0000000074950000-0x0000000075100000-memory.dmp
memory/5112-17-0x0000000009E10000-0x0000000009E8C000-memory.dmp
memory/5112-1-0x0000000000300000-0x0000000000A1E000-memory.dmp