Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 01:22
General
- Target 70d11fed787746ce829546de720d9dd9814f9f1978312123c6923c3ea9e846a7.exe
- Size 550KB
- Sample240613-brpxqsyfph
- SHA256 70d11fed787746ce829546de720d9dd9814f9f1978312123c6923c3ea9e846a7
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 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\70d11fed787746ce829546de720d9dd9814f9f1978312123c6923c3ea9e846a7.exe"C:\Users\Admin\AppData\Local\Temp\70d11fed787746ce829546de720d9dd9814f9f1978312123c6923c3ea9e846a7.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\70d11fed787746ce829546de720d9dd9814f9f1978312123c6923c3ea9e846a7.exe"C:\Users\Admin\AppData\Local\Temp\70d11fed787746ce829546de720d9dd9814f9f1978312123c6923c3ea9e846a7.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/4844-22-0x0000000001A80000-0x0000000002FC2000-memory.dmp
memory/4844-23-0x00000000774F8000-0x00000000774F9000-memory.dmp
memory/4844-24-0x0000000077515000-0x0000000077516000-memory.dmp
memory/4844-32-0x0000000000820000-0x0000000001A74000-memory.dmp
memory/4844-33-0x0000000001A80000-0x0000000002FC2000-memory.dmp
memory/4844-35-0x0000000077471000-0x0000000077591000-memory.dmp
memory/4904-19-0x0000000004E50000-0x0000000006392000-memory.dmp
memory/4904-20-0x0000000077471000-0x0000000077591000-memory.dmp
memory/4904-21-0x00000000742D5000-0x00000000742D6000-memory.dmp
memory/4904-31-0x0000000004E50000-0x0000000006392000-memory.dmp
memory/4904-40-0x0000000004E50000-0x0000000006392000-memory.dmp