Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
26/05/2024, 03:50
General
- Target 2024-05-26_acb5f9593fcbd0f21f2215510aead60e_cryptolocker.exe
- Size 44KB
- Sample240526-ed42aaef27
- SHA256 352735d3a0c69ef97f9d6f58f81db95c0ce112b1f008d01e4e7ae063bc35f2a6
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 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\2024-05-26_acb5f9593fcbd0f21f2215510aead60e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_acb5f9593fcbd0f21f2215510aead60e_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/1288-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/1288-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/1288-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/1288-9-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/1288-17-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2416-19-0x0000000002ED0000-0x0000000002ED6000-memory.dmp
memory/2416-25-0x0000000002D60000-0x0000000002D66000-memory.dmp
memory/2416-26-0x0000000008000000-0x000000000800D000-memory.dmp