Analysis
- max time kernel
142s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
06/06/2024, 21:39
General
- Target 2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe
- Size 75KB
- Sample240606-1hpm2scc91
- SHA256 d56e9510272d109b4e4c0025d7e7536a8ad71c3c4a6d2db358bcf68a4aaa2999
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 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\2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.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 --mojo-platform-channel-handle=4112 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/2136-0-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2136-1-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2136-2-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/2152-17-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/2152-23-0x00000000020D0000-0x00000000020D6000-memory.dmp