Analysis
- max time kernel
144s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
18/01/2024, 22:22
General
- Target 2024-01-18_009dfb1ba563d1c0c8501bdf0729fe85_cryptolocker.exe
- Size 39KB
- Sample240118-2adq9aaeeq
- SHA256 25fb2206f2460ac62613cfc662b48409fdf4039c6866a14189f5ea4619f2a195
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\2024-01-18_009dfb1ba563d1c0c8501bdf0729fe85_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-18_009dfb1ba563d1c0c8501bdf0729fe85_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/2244-17-0x0000000002080000-0x0000000002086000-memory.dmp
memory/2244-19-0x00000000006F0000-0x00000000006F6000-memory.dmp
memory/3452-0-0x0000000002090000-0x0000000002096000-memory.dmp
memory/3452-1-0x0000000002090000-0x0000000002096000-memory.dmp
memory/3452-2-0x0000000002190000-0x0000000002196000-memory.dmp