Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20250129-en - resource tags
- submitted
07/02/2025, 04:35
General
- Target 3cbf667708454e834055faa9c6b33ddccc3cb03866b141ad3fc0e2c037252852.exe
- Size 1.0MB
- Sample250207-e73ejszrgn
- SHA256 3cbf667708454e834055faa9c6b33ddccc3cb03866b141ad3fc0e2c037252852
Malware Config
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3cbf667708454e834055faa9c6b33ddccc3cb03866b141ad3fc0e2c037252852.exe"C:\Users\Admin\AppData\Local\Temp\3cbf667708454e834055faa9c6b33ddccc3cb03866b141ad3fc0e2c037252852.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3cbf667708454e834055faa9c6b33ddccc3cb03866b141ad3fc0e2c037252852.exe"C:\Users\Admin\AppData\Local\Temp\3cbf667708454e834055faa9c6b33ddccc3cb03866b141ad3fc0e2c037252852.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
ned.ini
memory/2780-29-0x0000000077C51000-0x0000000077D71000-memory.dmp
memory/2780-30-0x0000000010004000-0x0000000010005000-memory.dmp
memory/3964-32-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3964-31-0x0000000001660000-0x00000000069D4000-memory.dmp
memory/3964-33-0x0000000077C51000-0x0000000077D71000-memory.dmp
memory/3964-35-0x0000000077CD8000-0x0000000077CD9000-memory.dmp
memory/3964-34-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3964-36-0x0000000077CF5000-0x0000000077CF6000-memory.dmp
memory/3964-37-0x0000000077C51000-0x0000000077D71000-memory.dmp