Analysis
- max time kernel
89s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
13/02/2024, 06:19
General
- Target 2024-02-13_f229041444e10f77a0dd3b1860fc163a_cryptolocker.exe
- Size 35KB
- Sample240213-g3j4hsbb51
- SHA256 ae67b3fdc10706aeb89d7570ed5b2f90def90c8fdde273474789d8da8e7676e3
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Checks computer location settings 2 TTPs 2 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\2024-02-13_f229041444e10f77a0dd3b1860fc163a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_f229041444e10f77a0dd3b1860fc163a_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⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
gewos.exe
memory/1648-0-0x0000000002160000-0x0000000002166000-memory.dmp
memory/1648-1-0x0000000002160000-0x0000000002166000-memory.dmp
memory/1648-2-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4788-20-0x0000000002210000-0x0000000002216000-memory.dmp