Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
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submitted
25/05/2024, 00:56
General
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Target
2024-05-25_fdb1d41d9b98cc5f7aab513add2106cf_cryptolocker.exe
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Size
81KB
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MD5
fdb1d41d9b98cc5f7aab513add2106cf
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SHA1
785172a23c6c769db8002e0d2e0765c8edeb933f
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SHA256
262722449b47dacb52a5bf86ed2ef882de3211195fc8ce3f62626670adb9cdf2
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SHA512
aafe991b6beafe29f092da3f6ca4e7d88810747958255efe793ad4311ad53afe24735a9cdbbb07aa4cdc17fad3170990182953d6e271fe6ad831b98e83ab7f6f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QpL:zCsanOtEvwDpjh
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-25_fdb1d41d9b98cc5f7aab513add2106cf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_fdb1d41d9b98cc5f7aab513add2106cf_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
81KB
MD57bda8104790db80a700c3978f78f6e9f
SHA1ab16fc05345198bd0b6c4cc2731d2f5b1148dd08
SHA256f6bdbd5c400229e4f5d6d213636ebd9729002836b8ad604f22e433de2fb27204
SHA512e4abc7005f7b5e46b2be8b4b92ac23b56d890de60caaa57d8e0f09d7187245b4834df1be575d1680310c8e8e8ec691a1ed088c4ca1aa9b1a785011c1e8e5c7ef
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Filesize
64KB
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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