Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
15/05/2024, 14:34
General
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Target
2024-05-15_c881ca872d40baf0ab7b117c4d27de95_cryptolocker.exe
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Size
39KB
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MD5
c881ca872d40baf0ab7b117c4d27de95
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SHA1
5ba6687349761beba2a724970d62917469f97dd1
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SHA256
dba34402686c44686aa414f25a297a1d7100e3b66a8cb47120abade2796b05fb
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SHA512
d879dd56ab4f5f01a811e7c1d384f79d0fe42db2d1332993ab1c8ab4a4df613185b3d60d226833d5cd9c5b7daee58df18dcd83ed6441cf2d11d9b370ac1213fa
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9u:qDdFJy3QMOtEvwDpjjWMl7T9
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\2024-05-15_c881ca872d40baf0ab7b117c4d27de95_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-15_c881ca872d40baf0ab7b117c4d27de95_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
MD5148fb3bafb1db03bfdf9c55cd70f8d62
SHA118cb97b5315b71bed224b739b52d8a934680e9a7
SHA256da9fdfca1b96b223324433764c3910a64f55d66c74bcc50afea87d68aac63b5d
SHA5126af2ff1da946a50d595a0ea0d547ee8ef17d2b43f4fce95652f1bbb5d417d5b75aa9aeccdb296204bef98bb526673ae402ad31b0195caa7ceb125d517bd6af32
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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