Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
03/06/2024, 07:35
General
- Target 2024-06-03_5b6a896a896036e43b7c92d3c3905c1f_cryptolocker.exe
- Size 37KB
- Sample240603-jetzxshd66
- SHA256 3d02e54ab903a29f103ad36fc5a60a58172af8ab2e84a616d2825b3078e048ca
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\2024-06-03_5b6a896a896036e43b7c92d3c3905c1f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_5b6a896a896036e43b7c92d3c3905c1f_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
gewos.exe
memory/1428-0-0x0000000002210000-0x0000000002216000-memory.dmp
memory/1428-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/1428-8-0x0000000002210000-0x0000000002216000-memory.dmp
memory/4880-25-0x0000000002260000-0x0000000002266000-memory.dmp