Analysis
- max time kernel
148s - max time network
148s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
11/06/2024, 01:25
General
- Target 96cf5dfbfad599910d48cf01f8cdc77ac3ab5f9e39e3f044bad94a28126c2f20.exe
- Size 631KB
- Sample240611-btaktszalk
- SHA256 96cf5dfbfad599910d48cf01f8cdc77ac3ab5f9e39e3f044bad94a28126c2f20
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\96cf5dfbfad599910d48cf01f8cdc77ac3ab5f9e39e3f044bad94a28126c2f20.exe"C:\Users\Admin\AppData\Local\Temp\96cf5dfbfad599910d48cf01f8cdc77ac3ab5f9e39e3f044bad94a28126c2f20.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\96cf5dfbfad599910d48cf01f8cdc77ac3ab5f9e39e3f044bad94a28126c2f20.exe"C:\Users\Admin\AppData\Local\Temp\96cf5dfbfad599910d48cf01f8cdc77ac3ab5f9e39e3f044bad94a28126c2f20.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/2492-15-0x0000000077B30000-0x0000000077CD9000-memory.dmp
memory/2492-16-0x0000000000480000-0x00000000014E2000-memory.dmp
memory/2492-17-0x0000000077B30000-0x0000000077CD9000-memory.dmp
memory/2980-11-0x00000000031A0000-0x000000000556C000-memory.dmp
memory/2980-13-0x0000000077B31000-0x0000000077C32000-memory.dmp
memory/2980-12-0x00000000031A0000-0x000000000556C000-memory.dmp
memory/2980-14-0x0000000077B30000-0x0000000077CD9000-memory.dmp
memory/2980-22-0x00000000031A0000-0x000000000556C000-memory.dmp