Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 01:41
General
- Target 2024-06-13_c02da6837b60a2853344d6361c9d52ed_cryptolocker.exe
- Size 39KB
- Sample240613-b4d11atbpm
- SHA256 0f09cb845f215d5a357cc8f202288ea99f775e3c199e85859846227884bd2f1c
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\2024-06-13_c02da6837b60a2853344d6361c9d52ed_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_c02da6837b60a2853344d6361c9d52ed_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⤵
- 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 --field-trial-handle=4396,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
gewos.exe
memory/3196-25-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/4820-0-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/4820-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4820-8-0x00000000005F0000-0x00000000005F6000-memory.dmp