Analysis
- max time kernel
295s - max time network
299s - platform
windows7_x64 - resource
win7-20240705-en - resource tags
- submitted
31/07/2024, 12:45
General
- Target KSI RFQ-20240732AB.exe
- Size 509KB
- Sample240731-py8v3stemp
- SHA256 e26a2e19e50d80e946bc61c92fe1fcfa53572bfc5494289d36d9126143d92663
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).
- 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 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\KSI RFQ-20240732AB.exe"C:\Users\Admin\AppData\Local\Temp\KSI RFQ-20240732AB.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\KSI RFQ-20240732AB.exe"C:\Users\Admin\AppData\Local\Temp\KSI RFQ-20240732AB.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
memory/2156-14-0x0000000077510000-0x00000000776B9000-memory.dmp
memory/2156-16-0x0000000000460000-0x00000000014C2000-memory.dmp
memory/2356-11-0x00000000042B0000-0x00000000058BF000-memory.dmp
memory/2356-13-0x0000000077510000-0x00000000776B9000-memory.dmp
memory/2356-12-0x0000000077511000-0x0000000077612000-memory.dmp
memory/2356-15-0x00000000042B0000-0x00000000058BF000-memory.dmp
memory/2356-22-0x00000000042B0000-0x00000000058BF000-memory.dmp