Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
17/10/2024, 11:42
General
- Target 2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe
- Size 56KB
- Sample241017-nt2qjayhjq
- SHA256 488dd4827dd52f3f60e14fe19863ef4764eaf9545ec2fe0f738ad30873c065c9
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
- 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 use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-17_8dce65a1bb7aace1bf24392ad54e8603_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/3672-0-0x0000000000500000-0x0000000000510000-memory.dmp
memory/3672-1-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/3672-2-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/3672-3-0x0000000002090000-0x0000000002096000-memory.dmp
memory/3672-16-0x0000000000500000-0x0000000000510000-memory.dmp
memory/4420-19-0x0000000000630000-0x0000000000636000-memory.dmp
memory/4420-20-0x0000000000650000-0x0000000000656000-memory.dmp
memory/4420-26-0x0000000000500000-0x0000000000510000-memory.dmp