Analysis
- max time kernel
90s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
06/11/2024, 16:07
General
- Target Anfrage_244384.exe
- Size 1.2MB
- Sample241106-tkpmhasmds
- SHA256 eda014e3b658bfbbfd141c1459a3414d9ee8b7c139a3976fe732141fa9cf3f80
Malware Config
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 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 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: EnumeratesProcesses 14 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.exe"C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.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\Anfrage_244384.exe"C:\Users\Admin\AppData\Local\Temp\Anfrage_244384.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/1072-16-0x0000000002AC0000-0x000000000574E000-memory.dmp
memory/1072-17-0x00000000775E1000-0x0000000077701000-memory.dmp
memory/1072-18-0x0000000010004000-0x0000000010005000-memory.dmp
memory/1072-19-0x0000000002AC0000-0x000000000574E000-memory.dmp
memory/2504-20-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-21-0x0000000001660000-0x00000000042EE000-memory.dmp
memory/2504-25-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-26-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-27-0x0000000001660000-0x00000000042EE000-memory.dmp
memory/2504-28-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-29-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2504-32-0x0000000000400000-0x0000000001654000-memory.dmp