Analysis
- max time kernel
145s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
22/01/2024, 20:38
General
- Target 2024-01-22_7cbc99cad820829e4b5f859d346fd5c2_cryptolocker.exe
- Size 74KB
- Sample240122-zeqkhadfc9
- SHA256 3f5cce1b077ee6483f3b93cdb06f27dd0e5326d47394d52588dee300adb02358
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Checks computer location settings 2 TTPs 2 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).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-01-22_7cbc99cad820829e4b5f859d346fd5c2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-22_7cbc99cad820829e4b5f859d346fd5c2_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
misid.exe
memory/3668-19-0x0000000000450000-0x0000000000490000-memory.dmp
memory/3668-20-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/3668-22-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4032-0-0x00000000004E0000-0x00000000004E3000-memory.dmp
memory/4032-1-0x0000000000520000-0x0000000000526000-memory.dmp
memory/4032-2-0x0000000000520000-0x0000000000526000-memory.dmp
memory/4032-3-0x0000000000650000-0x0000000000656000-memory.dmp
memory/4032-17-0x00000000004E0000-0x00000000004E3000-memory.dmp