Analysis
- max time kernel
142s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
13/06/2024, 04:25
General
- Target 2024-06-13_342cd1f7313b8d647ad1645ce90260df_cryptolocker.exe
- Size 76KB
- Sample240613-e196taxgjk
- SHA256 03de23344a78e27b8027a9f0308c85a04a5701d5556470a3e294717ac6b71095
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\2024-06-13_342cd1f7313b8d647ad1645ce90260df_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_342cd1f7313b8d647ad1645ce90260df_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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/636-0-0x0000000000520000-0x0000000000526000-memory.dmp
memory/636-1-0x0000000000520000-0x0000000000526000-memory.dmp
memory/636-2-0x00000000021B0000-0x00000000021B6000-memory.dmp
memory/2120-20-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/2120-17-0x00000000006C0000-0x00000000006C6000-memory.dmp