Analysis
- max time kernel
133s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
30/10/2024, 13:10
General
- Target Forreste.exe
- Size 895KB
- Sample241030-qech7sthln
- SHA256 0c3b34493099cbbfbf51b25a4befe93e8d1b92008884500f91c66e2bd00dee1f
Malware Config
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 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 Program Files directory 1 IoCs
- Drops file in Windows directory 6 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\Forreste.exe"C:\Users\Admin\AppData\Local\Temp\Forreste.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Forreste.exe"C:\Users\Admin\AppData\Local\Temp\Forreste.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
memory/2172-24-0x0000000003190000-0x0000000005F18000-memory.dmp
memory/2172-18-0x0000000003190000-0x0000000005F18000-memory.dmp
memory/2172-19-0x0000000003190000-0x0000000005F18000-memory.dmp
memory/2172-20-0x0000000077C81000-0x0000000077DA1000-memory.dmp
memory/2172-22-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2172-21-0x0000000077C81000-0x0000000077DA1000-memory.dmp
memory/4108-23-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4108-25-0x0000000001660000-0x00000000043E8000-memory.dmp
memory/4108-38-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4108-39-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4108-40-0x0000000001660000-0x00000000043E8000-memory.dmp
memory/4108-41-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4108-42-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4108-45-0x0000000000400000-0x0000000001654000-memory.dmp