Analysis
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max time kernel
148s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
16/05/2024, 22:25
General
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Target
2024-05-16_86ae26c005dd876048c75db022205f5e_cryptolocker.exe
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Size
91KB
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MD5
86ae26c005dd876048c75db022205f5e
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SHA1
230c5fc2037f89c42f65176acac0cd67cddfa66b
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SHA256
d85e06d525283cf2b45c0c40b079c2a43fd3c66183a29b992752231d18eb8131
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SHA512
f25876fef66992a97dc2212eee4a7581c4ee0037f28a63ddd5f0ab261b0749369114c5134b40d3ec209d8864a98e780887dfdcdf11fa6b8d694577de898001ce
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgddf:AnBdOOtEvwDpj6zb
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-16_86ae26c005dd876048c75db022205f5e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-16_86ae26c005dd876048c75db022205f5e_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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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=3644 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
91KB
MD5a908bbeba5045b0f434ea47c530a7c7a
SHA1c8775c8be2be36af494e3ca91d225af03d521e83
SHA256eb8eb5f3cc415ed19ad6c68d627ab33cde820914fdebcdfb2f59c1f013f07c4f
SHA512f033b8b5c4372371688a9d18043df654660152ae3165525b7ac77c424f1de6770bd1dc5b4570ef370cfc99a6be5121aaff71c3893a53fd54fd3942e7e1858852
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB