Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
04/06/2024, 07:47
General
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Target
2024-06-04_cdfff4af7b09cfa65cb9195b27d79c2f_cryptolocker.exe
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Size
40KB
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MD5
cdfff4af7b09cfa65cb9195b27d79c2f
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SHA1
3659642483d6cc0f2d9e9eb420dde53fdc38971a
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SHA256
04d1d807bd98f026054bca18daa29b10368f9616686da0fb8f1500c39a688c70
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SHA512
7ea4961adf5c524ec410ba52edbce33c165ef7fc352d8aa6ef29551202ccabe02f8c712217aa4a0f9e40bcab8730197701c61575d84d03364620cbcc7359933b
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9FV:qDdFJy3QMOtEvwDpjjWMl7TY
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\2024-06-04_cdfff4af7b09cfa65cb9195b27d79c2f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-04_cdfff4af7b09cfa65cb9195b27d79c2f_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
40KB
MD502eaffa44e1b758216b69e221088b457
SHA119719ad63a1f9e29c1595d938a7f51ffd9f2fd6f
SHA256e54d5684653ccdcff541550b847b288ee83c1e0a74f6b575f6f390368941c806
SHA512b519626c7e3eaab9c91f17d3b35ce223bab348383a6f7b6a58e3858f412fb3d9678148b5fb8c07961f761b6e494b87d5510fadc1c9ef2ab2bc3dbb357c108e9d
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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
64KB