Analysis
- max time kernel
101s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
09/10/2024, 17:23
General
- Target FACTURA-0055.exe
- Size 872KB
- Sample241009-vx44dszdpk
- SHA256 e8b0ae0b538855299301ba758e7064d59a05e75ac8469156dac3cbab4b56c937
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 5 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: EnumeratesProcesses 14 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\FACTURA-0055.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA-0055.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\FACTURA-0055.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA-0055.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
Arder.lnk
memory/4108-279-0x00000000029B0000-0x0000000004B2E000-memory.dmp
memory/4108-280-0x00000000029B0000-0x0000000004B2E000-memory.dmp
memory/4108-283-0x00000000749C0000-0x00000000749C6000-memory.dmp
memory/4108-282-0x00000000749C4000-0x00000000749C5000-memory.dmp
memory/4108-281-0x0000000077521000-0x0000000077641000-memory.dmp
memory/4108-299-0x00000000029B0000-0x0000000004B2E000-memory.dmp
memory/4348-285-0x0000000001660000-0x00000000037DE000-memory.dmp
memory/4348-298-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4348-284-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4348-300-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4348-301-0x0000000001660000-0x00000000037DE000-memory.dmp
memory/4348-302-0x0000000077521000-0x0000000077641000-memory.dmp
memory/4348-303-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4348-304-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4348-307-0x0000000000400000-0x0000000001654000-memory.dmp