Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
13/02/2024, 04:02
General
- Target b18bc97e08168c439ade81044ae248f3.exe
- Size 98KB
- Sample240213-elyt8sae73
- SHA256 7afa1761e27beca2ea1c065a9ec99f0efbc5a7b027a245d1cabb185d001865f2
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 5 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\b18bc97e08168c439ade81044ae248f3.exe"C:\Users\Admin\AppData\Local\Temp\b18bc97e08168c439ade81044ae248f3.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/1448-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1448-20-0x0000000002080000-0x0000000002086000-memory.dmp
memory/1448-26-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/1448-27-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4592-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4592-1-0x0000000000730000-0x0000000000736000-memory.dmp
memory/4592-2-0x0000000000730000-0x0000000000736000-memory.dmp
memory/4592-3-0x0000000000750000-0x0000000000756000-memory.dmp
memory/4592-17-0x0000000000500000-0x000000000050F000-memory.dmp