Analysis
- max time kernel
171s - max time network
213s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
13/10/2023, 04:10
General
- Target 475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa.exe
- Size 279KB
- Sample231013-erj82afd85
- SHA256 475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 1 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious use of SetThreadContext 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 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa.exe"C:\Users\Admin\AppData\Local\Temp\475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa.exe"C:\Users\Admin\AppData\Local\Temp\475355b8bf2f2a68293c808cf959de00a8e04d6f48871a5a1fccaf9d318570fa.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/1036-16-0x0000000000470000-0x000000000304A000-memory.dmp
memory/1036-17-0x0000000000470000-0x000000000304A000-memory.dmp
memory/4868-11-0x00000000049B0000-0x000000000758A000-memory.dmp
memory/4868-12-0x00000000049B0000-0x000000000758A000-memory.dmp
memory/4868-13-0x00000000772E1000-0x0000000077401000-memory.dmp
memory/4868-14-0x00000000772E1000-0x0000000077401000-memory.dmp
memory/4868-15-0x0000000073FC0000-0x0000000073FC6000-memory.dmp