Analysis
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max time kernel
159s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
06-03-2024 00:46
General
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Target
2024-03-06_4a42e0431127a0e62be18f5754c7b129_cryptolocker.exe
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Size
32KB
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MD5
4a42e0431127a0e62be18f5754c7b129
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SHA1
d621755431e475dbd1800f2bb67442c1ec10a8ff
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SHA256
d33478106776d91ce9c16eeb1c93878c6d30d1efb5ba1e08ea52820e5fdd38bf
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SHA512
1e2f7f25a8cb4b239cabf5044f67cc69acd3b8125002d5a866c4e7a1e3303cc4933a1d8792052eef2078d55296a848394b37db9b0f3ee8e8d23361ad3438a3ba
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIOc+4tHmNg8:q0zizzOSxMOtEvwDpj/arqc5
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 4 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\2024-03-06_4a42e0431127a0e62be18f5754c7b129_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-06_4a42e0431127a0e62be18f5754c7b129_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
32KB
MD56f2ee460e4041e082251a82db7f40bc3
SHA17a205ac3d8010832d9089940cfc6811dd3846748
SHA256cdb6db81c3aeee16afa9d58c395b0830284c4404c406a3a76349c9536447d623
SHA5127de30cf96f117126e873eb563fc3b1f87d323c36f8e3c4b7480993fcb7424709faf0b11247aa013d8af9a431cce31d20ad5f8ad9ad966e33a29853f0d04a6704
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Filesize
24KB
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Filesize
24KB
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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