Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
03/09/2024, 05:49
General
- Target 2024-09-03_47df896a4c7d67e0b2c7cdb25b8f6a4e_cryptolocker.exe
- Size 49KB
- Sample240903-gjcv4azelh
- SHA256 4d2f941cb9f9498c0ed5b122bdb5c898114baf54b5847460e7be1efbd8f03b6e
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\2024-09-03_47df896a4c7d67e0b2c7cdb25b8f6a4e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-03_47df896a4c7d67e0b2c7cdb25b8f6a4e_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/1396-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1396-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/1396-2-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/1396-3-0x0000000002100000-0x0000000002106000-memory.dmp
memory/1396-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3868-20-0x00000000007C0000-0x00000000007C6000-memory.dmp
memory/3868-19-0x0000000000690000-0x0000000000696000-memory.dmp
memory/3868-26-0x0000000000500000-0x000000000050B000-memory.dmp