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
03/05/2024, 07:28
General
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Target
2024-05-03_888bb7e5b38c37c6a2e555c7d1719652_cryptolocker.exe
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Size
58KB
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MD5
888bb7e5b38c37c6a2e555c7d1719652
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SHA1
0a88e359cdf65fb664001a4ca9ce21d7e13892dc
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SHA256
938ade2e6211c4b72b01848957904747a9f98e79dea694f6ce2b890c1603aa28
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SHA512
d457a325ae1044257a8834567078befb359c1a2428b63fc20b9b7755066359a1fe8e0521eb8488e2438c9967444a678d2fb2d83364e6769456e08deb3e422fa5
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPK:H6QFElP6n+gou9cvMOtEvwDpjCpVXf
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-05-03_888bb7e5b38c37c6a2e555c7d1719652_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-03_888bb7e5b38c37c6a2e555c7d1719652_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
58KB
MD55ca50a8fba05f396687c0bb9faf014eb
SHA14073722335c532bfe00484a0963cc2fcb828fc7c
SHA256993a9236d06df7837d20914c03d6cdae55feb389285884820522f7c8e5713177
SHA5125addd5e35b87dcfdbc3c62190a0de819bcd33f01482bf43c0b53468e923c544c3e4f40a49535d9e2f27a0db6fe6e7673060c900e4356b0059169f0ffd28c4271
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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
24KB
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Filesize
64KB
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Filesize
24KB