Analysis
- max time kernel
22s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
09/06/2024, 07:26
General
- Target 2024-06-09_6174065ea9e14a2b159045713606f349_cryptolocker.exe
- Size 44KB
- Sample240609-h9mcwsfe51
- SHA256 adfc7dd8fecb7315b28744151da9353f509e59946949f2c98997052d21574357
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 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\2024-06-09_6174065ea9e14a2b159045713606f349_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_6174065ea9e14a2b159045713606f349_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hasfj.exe
memory/3028-17-0x0000000008000000-0x000000000800D000-memory.dmp
memory/3028-20-0x0000000003010000-0x0000000003016000-memory.dmp
memory/3028-26-0x0000000002090000-0x0000000002096000-memory.dmp
memory/3028-27-0x0000000008000000-0x000000000800D000-memory.dmp
memory/3964-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/3964-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/3964-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/3964-9-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/3964-18-0x0000000008000000-0x000000000800D000-memory.dmp