Analysis
- max time kernel
146s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/12/2024, 03:46
General
- Target dd37002352fdc8e8a56a23ea19ba146f907d3d807f1ac0131954cf0922a2a100.exe
- Size 530KB
- Sample241208-ebyrgswmak
- SHA256 dd37002352fdc8e8a56a23ea19ba146f907d3d807f1ac0131954cf0922a2a100
Score
10/10
Malware Config
Signatures
- Guloader family
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 2 IoCs
- Drops file in System32 directory 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 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dd37002352fdc8e8a56a23ea19ba146f907d3d807f1ac0131954cf0922a2a100.exe"C:\Users\Admin\AppData\Local\Temp\dd37002352fdc8e8a56a23ea19ba146f907d3d807f1ac0131954cf0922a2a100.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- 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\dd37002352fdc8e8a56a23ea19ba146f907d3d807f1ac0131954cf0922a2a100.exe"C:\Users\Admin\AppData\Local\Temp\dd37002352fdc8e8a56a23ea19ba146f907d3d807f1ac0131954cf0922a2a100.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/968-25-0x0000000005340000-0x0000000007405000-memory.dmp
memory/968-26-0x0000000077E21000-0x0000000077F41000-memory.dmp
memory/968-27-0x0000000005340000-0x0000000007405000-memory.dmp
memory/968-29-0x0000000010004000-0x0000000010005000-memory.dmp
memory/968-37-0x0000000005340000-0x0000000007405000-memory.dmp
memory/3528-28-0x00000000016C0000-0x0000000003785000-memory.dmp
memory/3528-30-0x00000000016C0000-0x0000000003785000-memory.dmp
memory/3528-31-0x0000000000460000-0x00000000016B4000-memory.dmp