Analysis
- max time kernel
143s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
01/05/2024, 01:46
General
- Target 942763500f541d8a64ead4fc2cb1bb841e684e6005629dec05731381fdf9270e.exe
- Size 1.1MB
- Sample240501-b7fc8sfb72
- SHA256 942763500f541d8a64ead4fc2cb1bb841e684e6005629dec05731381fdf9270e
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
- Drops file in Windows directory 2 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 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\942763500f541d8a64ead4fc2cb1bb841e684e6005629dec05731381fdf9270e.exe"C:\Users\Admin\AppData\Local\Temp\942763500f541d8a64ead4fc2cb1bb841e684e6005629dec05731381fdf9270e.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\942763500f541d8a64ead4fc2cb1bb841e684e6005629dec05731381fdf9270e.exe"C:\Users\Admin\AppData\Local\Temp\942763500f541d8a64ead4fc2cb1bb841e684e6005629dec05731381fdf9270e.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/3512-26-0x00000000778F5000-0x00000000778F6000-memory.dmp
memory/3512-41-0x0000000077851000-0x0000000077971000-memory.dmp
memory/3512-39-0x0000000001660000-0x00000000027BD000-memory.dmp
memory/3512-22-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3512-23-0x0000000001660000-0x00000000027BD000-memory.dmp
memory/3512-38-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3512-25-0x00000000778D8000-0x00000000778D9000-memory.dmp
memory/4512-21-0x00000000744A0000-0x00000000744A7000-memory.dmp
memory/4512-24-0x0000000004A30000-0x0000000005B8D000-memory.dmp
memory/4512-20-0x0000000077851000-0x0000000077971000-memory.dmp
memory/4512-19-0x0000000004A30000-0x0000000005B8D000-memory.dmp
memory/4512-46-0x0000000004A30000-0x0000000005B8D000-memory.dmp