Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
23/04/2024, 22:41
General
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Target
2024-04-23_1575ad9a12bb74c0ca29d30661863dd8_cryptolocker.exe
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Size
106KB
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MD5
1575ad9a12bb74c0ca29d30661863dd8
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SHA1
6e3f3a26b393ea405e12c4a3cbdccae8caa2c0f1
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SHA256
e2ad8f9073bfce5bfd76371a1d2ed48889c478a8c73256487af4d6c889943153
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SHA512
1f97551f5d36dd3fb99d19508b367c69de574458cb3481d34f368d34f5012b8beaf04d0743e2a11cc417791251bfb4617e7ca67e45eedac803b68482bbaafa17
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksdEi:1nK6a+qdOOtEvwDpjd
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\2024-04-23_1575ad9a12bb74c0ca29d30661863dd8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-23_1575ad9a12bb74c0ca29d30661863dd8_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
106KB
MD5672ff41631d73bdd21d19ac746ad1fb3
SHA14fd4d62ecfd5e45cab023d63b1ab672b31e09af1
SHA2562a3192a1b69e837d936a20d9999e243759aa173cbd4eaebdbfbaf298c82a7fd8
SHA51298193132626fea1e8531a3f8f605723174dfe4e5c22faaad96fd6d64e98026f56663187a7f85fc31f74e5deb77c0551fbc8afe68ee8f912d8a1b782a7b848b97
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB