Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
09/06/2024, 07:31
General
- Target 2024-06-09_884825ae5c6968f0c670f2ea089f7182_cryptolocker.exe
- Size 56KB
- Sample240609-jckcpsff3t
- SHA256 5ff51b74e8d35028572cb05c201974927e188d0ca0e664c0d68e66b2343f5744
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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\2024-06-09_884825ae5c6968f0c670f2ea089f7182_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_884825ae5c6968f0c670f2ea089f7182_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
rewok.exe
memory/3204-19-0x0000000002080000-0x0000000002086000-memory.dmp
memory/3220-0-0x0000000002250000-0x0000000002256000-memory.dmp
memory/3220-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/3220-8-0x0000000002250000-0x0000000002256000-memory.dmp