Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
29/03/2024, 03:36
General
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Target
2024-03-29_4e69fb6ba8edd8d16896f735727a5bd0_cryptolocker.exe
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Size
50KB
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MD5
4e69fb6ba8edd8d16896f735727a5bd0
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SHA1
0907fe6f1c22a2a15314f87b8f62ce46ad134c7c
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SHA256
559bd64ca1211cf6b9e277d01126b5893e64581198710248ffc94078842f12b2
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SHA512
8044a60a9f3c5749444d16ece352182c0f19f075f5d9d098e436b3ec52e6a00fffae09a2f737f72440fd3a8eaabbd691ac8568db97aba26b3ed9713fb29b5e93
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTe:z6QFElP6n+gKmddpMOtEvwDpj31i
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) 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\2024-03-29_4e69fb6ba8edd8d16896f735727a5bd0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-29_4e69fb6ba8edd8d16896f735727a5bd0_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
50KB
MD52f02947acfb60e5e9341f9ae501ebf1c
SHA1438fe2d65e9048448d6b31bca4cda7d6fbe43abb
SHA256d51bc35851da93c0678edd147ead5557670f12d81747f596827fad0146fa06ae
SHA51262023395878333695e1a8957aca86cac76e7ac2dcb6e4f6a0625ae722a40de15db3792948c85aafd0aca5a100372d2cfbf5dcaf3433004622e3a1f1baa617a26
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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
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Filesize
64KB