Analysis
- max time kernel
149s - max time network
145s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
03/12/2025, 02:00
General
- Target rFactura-11-03-25-00000118.exe
- Size 647KB
- Sample251203-cfajcatlcj
- SHA256 f58c14370ca887ef557112732534fa842b8e443719285a962f1a4d66400a7123
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 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\rFactura-11-03-25-00000118.exe"C:\Users\Admin\AppData\Local\Temp\rFactura-11-03-25-00000118.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rFactura-11-03-25-00000118.exe"C:\Users\Admin\AppData\Local\Temp\rFactura-11-03-25-00000118.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\rFactura-11-03-25-00000118.exe"C:\Users\Admin\AppData\Local\Temp\rFactura-11-03-25-00000118.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rFactura-11-03-25-00000118.exe"C:\Users\Admin\AppData\Local\Temp\rFactura-11-03-25-00000118.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
System.dll
memory/1556-23-0x00000000773F8000-0x00000000773F9000-memory.dmp
memory/1556-25-0x000000007740B000-0x000000007740C000-memory.dmp
memory/1556-24-0x000000007748B000-0x000000007748C000-memory.dmp
memory/1556-26-0x0000000000470000-0x0000000001787000-memory.dmp
memory/1556-27-0x000000007748B000-0x000000007748C000-memory.dmp
memory/4596-22-0x0000000010004000-0x0000000010005000-memory.dmp