Analysis
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max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
30-04-2024 02:38
General
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Target
2024-04-30_495a8a86db3a247a603629c8c403afb7_cryptolocker.exe
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Size
64KB
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MD5
495a8a86db3a247a603629c8c403afb7
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SHA1
25d7b57bdd9550723781b18713724086f9058f99
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SHA256
bdc2b5e733911686422748efd1b7936c751c71d525ce4088f0f6c76a78ac4c9c
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SHA512
03267a4551379d396b03f696b2dcf58e888352a5b2da87e2bf497873197bd9a012084354d16492b2c699ab68f2a074e0d4ea08d945e52aa3bc5b42f186f24b5e
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAod:1nK6a+qdOOtEvwDpjj
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 6 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-30_495a8a86db3a247a603629c8c403afb7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_495a8a86db3a247a603629c8c403afb7_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
MD52430e2c472b4f158bcd8d6c8a2983ab2
SHA1153b45f32932263a8618ce5a0b20d746645ad3d1
SHA256870ef8e0f67bbcc55a5677b85dc9fd7bb89912cc2377d8df0ba09dbe34c47095
SHA51226bfd3d390c90bd696af56aa895c38c3163a0d9ba3e6c37fb6c8675046e4a09fb14ddbb059f770c35fa831296796cf0b738988250d65cddc8de90f2886b051cc
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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
60KB
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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
60KB