Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
08/08/2023, 18:06
General
- Target 9fa60053165fb875d9c7a4b23c33bf13eeb3bfc414a284921bf07df60a4181c9exe_JC.exe
- Size 244KB
- Sample230808-wp2tqseh22
- SHA256 9fa60053165fb875d9c7a4b23c33bf13eeb3bfc414a284921bf07df60a4181c9
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows 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 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9fa60053165fb875d9c7a4b23c33bf13eeb3bfc414a284921bf07df60a4181c9exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\9fa60053165fb875d9c7a4b23c33bf13eeb3bfc414a284921bf07df60a4181c9exe_JC.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9fa60053165fb875d9c7a4b23c33bf13eeb3bfc414a284921bf07df60a4181c9exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\9fa60053165fb875d9c7a4b23c33bf13eeb3bfc414a284921bf07df60a4181c9exe_JC.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
alfaquins.ini
memory/556-359-0x0000000001660000-0x000000000453C000-memory.dmp
memory/556-363-0x0000000077721000-0x0000000077841000-memory.dmp
memory/556-362-0x0000000000400000-0x0000000001654000-memory.dmp
memory/556-361-0x00000000777A8000-0x00000000777A9000-memory.dmp
memory/556-360-0x0000000001660000-0x000000000453C000-memory.dmp
memory/556-358-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2468-354-0x0000000005300000-0x00000000081DC000-memory.dmp
memory/2468-357-0x0000000074580000-0x0000000074586000-memory.dmp
memory/2468-356-0x0000000077721000-0x0000000077841000-memory.dmp
memory/2468-355-0x0000000077721000-0x0000000077841000-memory.dmp
memory/2468-353-0x0000000005300000-0x00000000081DC000-memory.dmp