Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
03/06/2024, 10:27
General
- Target 2024-06-03_498a3a57e3fb22552bdfad072de96f84_cryptolocker.exe
- Size 77KB
- Sample240603-mhldqsce67
- SHA256 0204bd93a15d2d2ffef7d1c0997aa388814a82a8e863e5460fa2f6a7374a49dd
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 IoCs
- 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).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-03_498a3a57e3fb22552bdfad072de96f84_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_498a3a57e3fb22552bdfad072de96f84_cryptolocker.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
Loading Replay Monitor...
Downloads
asih.exe
memory/212-17-0x0000000002070000-0x0000000002076000-memory.dmp
memory/212-23-0x0000000002050000-0x0000000002056000-memory.dmp
memory/4988-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4988-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/4988-2-0x00000000004F0000-0x00000000004F6000-memory.dmp