Analysis
- max time kernel
142s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
11/06/2024, 01:34
General
- Target 2024-06-11_920e0d224b1146cfc72454099b3bba05_cryptolocker.exe
- Size 38KB
- Sample240611-by8neszcnn
- SHA256 9e199a02c3ebcf498708adeed3f6a69bbb68a265044cbdfadafea416fec72598
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\2024-06-11_920e0d224b1146cfc72454099b3bba05_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-11_920e0d224b1146cfc72454099b3bba05_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
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3804 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
gewos.exe
gewosik.exe
memory/3868-0-0x00000000022D0000-0x00000000022D6000-memory.dmp
memory/3868-1-0x00000000022D0000-0x00000000022D6000-memory.dmp
memory/3868-2-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4328-25-0x0000000002090000-0x0000000002096000-memory.dmp