Analysis
- max time kernel
146s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
29/08/2024, 03:06
General
- Target c95764c294dd8139cfcd34b796a77f6d218942ca5d485152c489dda2c9c9c0d0.exe
- Size 732KB
- Sample240829-dlwt7ssepl
- SHA256 c95764c294dd8139cfcd34b796a77f6d218942ca5d485152c489dda2c9c9c0d0
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 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 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: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c95764c294dd8139cfcd34b796a77f6d218942ca5d485152c489dda2c9c9c0d0.exe"C:\Users\Admin\AppData\Local\Temp\c95764c294dd8139cfcd34b796a77f6d218942ca5d485152c489dda2c9c9c0d0.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\c95764c294dd8139cfcd34b796a77f6d218942ca5d485152c489dda2c9c9c0d0.exe"C:\Users\Admin\AppData\Local\Temp\c95764c294dd8139cfcd34b796a77f6d218942ca5d485152c489dda2c9c9c0d0.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/4188-15-0x0000000001A70000-0x00000000040BF000-memory.dmp
memory/4188-19-0x0000000000810000-0x0000000001A64000-memory.dmp
memory/4188-20-0x0000000001A70000-0x00000000040BF000-memory.dmp
memory/4600-10-0x0000000002E70000-0x00000000054BF000-memory.dmp
memory/4600-11-0x0000000002E70000-0x00000000054BF000-memory.dmp
memory/4600-12-0x0000000077B21000-0x0000000077C41000-memory.dmp
memory/4600-14-0x0000000074FC5000-0x0000000074FC6000-memory.dmp
memory/4600-13-0x0000000077B21000-0x0000000077C41000-memory.dmp
memory/4600-29-0x0000000002E70000-0x00000000054BF000-memory.dmp