Analysis
- max time kernel
145s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
23/05/2024, 12:28
General
- Target rPurchaseOrderPO05232024.exe
- Size 701KB
- Sample240523-pnbslahf85
- SHA256 dd39d251c8d31fdcd410940c7e3a6b1ec76c62b341c60810215da5434d2cb52a
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 2 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\rPurchaseOrderPO05232024.exe"C:\Users\Admin\AppData\Local\Temp\rPurchaseOrderPO05232024.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\rPurchaseOrderPO05232024.exe"C:\Users\Admin\AppData\Local\Temp\rPurchaseOrderPO05232024.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
System.dll
memory/224-9-0x0000000002AF0000-0x0000000005792000-memory.dmp
memory/224-10-0x0000000077581000-0x00000000776A1000-memory.dmp
memory/224-11-0x0000000010004000-0x0000000010005000-memory.dmp
memory/224-13-0x0000000002AF0000-0x0000000005792000-memory.dmp
memory/224-27-0x0000000002AF0000-0x0000000005792000-memory.dmp
memory/1568-12-0x0000000001740000-0x00000000043E2000-memory.dmp
memory/1568-20-0x00000000004E0000-0x0000000001734000-memory.dmp
memory/1568-22-0x0000000001740000-0x00000000043E2000-memory.dmp