Analysis
- max time kernel
143s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
28/04/2024, 01:53
General
- Target PO_450038969222222.exe
- Size 624KB
- Sample240428-cbex9sdf25
- SHA256 c48ee19744cf5c99735454ecdfc48e5c0943e44c175481725d62a104b140826b
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 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 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO_450038969222222.exe"C:\Users\Admin\AppData\Local\Temp\PO_450038969222222.exe"1⤵
- 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\PO_450038969222222.exe"C:\Users\Admin\AppData\Local\Temp\PO_450038969222222.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/2184-12-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2184-13-0x0000000001660000-0x0000000003389000-memory.dmp
memory/2184-15-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2184-17-0x0000000001660000-0x0000000003389000-memory.dmp
memory/2184-19-0x00000000773D1000-0x00000000774F1000-memory.dmp
memory/2440-9-0x0000000004230000-0x0000000005F59000-memory.dmp
memory/2440-10-0x00000000773D1000-0x00000000774F1000-memory.dmp
memory/2440-11-0x0000000010000000-0x0000000010006000-memory.dmp
memory/2440-14-0x0000000004230000-0x0000000005F59000-memory.dmp
memory/2440-23-0x0000000004230000-0x0000000005F59000-memory.dmp