Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/03/2024, 19:57
General
- Target 2024-03-25_bb0778c81a73454cdecf9008c5ca012b_cryptolocker.exe
- Size 48KB
- Sample240325-ypds1sgf36
- SHA256 24b2ed675543a36c7f5cf33cf1de37a2e4b1640d9f8ce55e7815f8aad062d632
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\2024-03-25_bb0778c81a73454cdecf9008c5ca012b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-25_bb0778c81a73454cdecf9008c5ca012b_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/3020-0-0x0000000002240000-0x0000000002246000-memory.dmp
memory/3020-1-0x0000000002240000-0x0000000002246000-memory.dmp
memory/3020-2-0x0000000003140000-0x0000000003146000-memory.dmp
memory/4912-17-0x0000000003000000-0x0000000003006000-memory.dmp
memory/4912-23-0x0000000002D50000-0x0000000002D56000-memory.dmp