Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
29/05/2024, 10:45
General
- Target 2024-05-29_5749ce9e3b5685fa423ef3f584251a1b_cryptolocker.exe
- Size 42KB
- Sample240529-mtm2psbh8v
- SHA256 b6219e6e9b816ee15bd25bd987e3fd98bc99794e5c23571476ecc77ce33d816f
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\2024-05-29_5749ce9e3b5685fa423ef3f584251a1b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-29_5749ce9e3b5685fa423ef3f584251a1b_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
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Downloads
asih.exe
memory/2548-0-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/2548-2-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/2548-8-0x00000000005B0000-0x00000000005B6000-memory.dmp
memory/4136-23-0x0000000000660000-0x0000000000666000-memory.dmp
memory/4136-17-0x00000000006D0000-0x00000000006D6000-memory.dmp