Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
20/11/2024, 02:49
General
- Target 2024-11-20_a17c054cc974a49f013e7423a1731cfd_cryptolocker.exe
- Size 46KB
- Sample241120-dbjrwsyeng
- SHA256 9ba1135fc1cb815feac4940f0cbe6d04fae9a26d6cd7b6219185054c2fe3e1d2
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
- 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\2024-11-20_a17c054cc974a49f013e7423a1731cfd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-20_a17c054cc974a49f013e7423a1731cfd_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/1256-0-0x0000000000680000-0x0000000000686000-memory.dmp
memory/1256-1-0x0000000000680000-0x0000000000686000-memory.dmp
memory/1256-2-0x0000000002240000-0x0000000002246000-memory.dmp
memory/5016-18-0x0000000001FF0000-0x0000000001FF6000-memory.dmp
memory/5016-17-0x0000000000670000-0x0000000000676000-memory.dmp