Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
18/03/2024, 13:24
General
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Target
2024-03-18_06645ea8bbc515db86efad97e2b3d107_cryptolocker.exe
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Size
53KB
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MD5
06645ea8bbc515db86efad97e2b3d107
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SHA1
5870c7618d8145ccdd95d8ab4c1f8b4d812d7b65
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SHA256
47f1340084e8246053edd146578c808184ca5a36933ab8ebb8b99d483364c3dd
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SHA512
e4aa65b294daea0005a803fdce9997a1ec9e245c9f7fef91f20b410cbbf32fca2254d40a19e317e25e8de59f679f6b7bac726f848e80ea3f266c6177e7eb5a04
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb6ImpyT:BbdDmjr+OtEvwDpjMA
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\2024-03-18_06645ea8bbc515db86efad97e2b3d107_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-18_06645ea8bbc515db86efad97e2b3d107_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
53KB
MD5a493a31f5d09c6bbf02902d6388c10ce
SHA14b7d40d65d800c368edb12b43102eb1bf33508f3
SHA256d7abb18ca450581542c197f8a3abb1be322e2ceb4708da708c19225d87d07fb8
SHA5127699af10b95f9dd4d05b14db859588bed1a93aad1de8b963eba6d2c9e6ef5324dfaaf190df7c8a263b706be573812e629fe3ecd7caa3c8066473a52df20ae527
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB