Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
06-05-2024 23:25
General
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Target
2024-05-06_73c3cd3be3199cd43c10eb3da22d04b0_cryptolocker.exe
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Size
39KB
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MD5
73c3cd3be3199cd43c10eb3da22d04b0
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SHA1
a3dffe2ba2c6cf913e2561856d782072ec1c68c6
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SHA256
aa371202c138abe77c8c3544031ef81d11c990f2c6b129071e87cd1d35834a96
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SHA512
f3c8d2b806a33c4db21347f2db11ed19f43cd8ccf0e4a09edaa2508940c6df6ee4af599200a6881fbf93fcc0de9b0ca825e56d87c27041876538e35b5b29db09
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9d:qDdFJy3QMOtEvwDpjjWMl7TO
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\2024-05-06_73c3cd3be3199cd43c10eb3da22d04b0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-06_73c3cd3be3199cd43c10eb3da22d04b0_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
39KB
MD5874d058fc354911b0a041859f3d8c874
SHA105919794c0f29506faeb13869fca429715b4f2bb
SHA256a40fc9a34808709442f1a5d6051ab38e8622bb7908c9e1fd80b65f56dfeb9a71
SHA5127d46b81cc012736eb674f041bd2a67201f61cbbf7e6c429b66322b5865666dfa5c2c4a161cf948935b414226092eb8bc8c69f604c06503e0fe85f779781555a1
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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