Analysis
- max time kernel
141s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
04/11/2024, 18:00
General
- Target P52mX04112024145925383.exe
- Size 626KB
- Sample241104-wlgpdsvdnr
- SHA256 0d9e0293185f77ef323b8686cabcd7e7562af2899bf565ccef257d4b259c7b81
Malware Config
Signatures
- Guloader family
- 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 4 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\P52mX04112024145925383.exe"C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.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\P52mX04112024145925383.exe"C:\Users\Admin\AppData\Local\Temp\P52mX04112024145925383.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
Loading Replay Monitor...
Downloads
System.dll
porencephalitis.lnk
memory/3280-316-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3280-301-0x0000000077055000-0x0000000077056000-memory.dmp
memory/3280-323-0x0000000001660000-0x0000000002D9D000-memory.dmp
memory/3280-322-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3280-298-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3280-299-0x0000000001660000-0x0000000002D9D000-memory.dmp
memory/3280-300-0x0000000077038000-0x0000000077039000-memory.dmp
memory/3280-319-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3280-314-0x0000000001660000-0x0000000002D9D000-memory.dmp
memory/3280-315-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3280-318-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3280-317-0x0000000076FB1000-0x00000000770D1000-memory.dmp
memory/3504-294-0x00000000033A0000-0x0000000004ADD000-memory.dmp
memory/3504-295-0x0000000076FB1000-0x00000000770D1000-memory.dmp
memory/3504-297-0x00000000033A0000-0x0000000004ADD000-memory.dmp
memory/3504-296-0x0000000073CA5000-0x0000000073CA6000-memory.dmp