Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
19/12/2023, 10:44
General
- Target 0b845d76f636911360b0fd31191539d5.exe
- Size 33KB
- Sample231219-mst4magfa8
- SHA256 4c2f41c2141b8e13c553f2d081ea1dc58a0bb030855bdf9f0ea66ae422193c14
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0b845d76f636911360b0fd31191539d5.exe"C:\Users\Admin\AppData\Local\Temp\0b845d76f636911360b0fd31191539d5.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ukyfact.exe"C:\Users\Admin\AppData\Local\Temp\ukyfact.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ukyfact.exe
memory/2524-14-0x0000000000400000-0x0000000000422000-memory.dmp
memory/2524-15-0x0000000000400000-0x0000000000422000-memory.dmp
memory/3872-0-0x0000000000400000-0x0000000000422000-memory.dmp
memory/3872-1-0x0000000000400000-0x0000000000422000-memory.dmp