Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
04-05-2024 04:35
General
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Target
2024-05-04_472c911620338af64c814ca6f8e6d7f2_cryptolocker.exe
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Size
63KB
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MD5
472c911620338af64c814ca6f8e6d7f2
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SHA1
ac7ad5ce215ea8678e5c51168280457d69a66d28
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SHA256
d6dc3727e7d6fa2efcc5729c9836cc8dc9f063cc9c503e4a91ec1bfb234ae793
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SHA512
f824f10030116b8332458673d986c53efaec808b2c6dee926e2af99a778891eecd386e7272c15cf21d18bc8fa78570863389bd30071a1edeb7422d8068e76798
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsiA:BbdDmjr+OtEvwDpjM85
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 2 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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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\2024-05-04_472c911620338af64c814ca6f8e6d7f2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-04_472c911620338af64c814ca6f8e6d7f2_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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5cc4318055a13a2cc314255f0ddfa97da
SHA16e6b8c9fd5922d443166b07e0275f9e3d8bd92ad
SHA256490f6f50ec13d3d41e285a22779f9e8ea5546c63be26ca12210137da1da619d5
SHA512e741f2df0f190fffa5e0ee715a797cf7c4efc9ed9e07f7f1e556b29f4568caddbebcd39c550c896ece0bd91e67fb71d3ce9d8effd2d7c99d7d527738ac5e5ec6
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB