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Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
30/04/2024, 05:18
General
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Target
2024-04-30_9a55dbe1e1279ebd8eb1f4d8e2730cf5_cryptolocker.exe
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Size
68KB
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MD5
9a55dbe1e1279ebd8eb1f4d8e2730cf5
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SHA1
f3d6c4d61d72f245499965ee31626376387cfcf6
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SHA256
0f0329ae0cb92b1cf20d6291aac9c96bbfe903fddf630898740abd2db97360d1
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SHA512
13282093dd0dd22e660b95d8299464787a74f6e5f0edec898339768ef4ae63c35182b45191ddf2caba0034963f1f672c5f462ef0587fa4ca0a077e3da4fd53b8
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SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAel:78SEOtEvwDpjWYvQd2PA
Malware Config
Signatures
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Detection of CryptoLocker Variants 3 IoCs
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Detection of Cryptolocker Samples 3 IoCs
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UPX dump on OEP (original entry point) 3 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 3 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\2024-04-30_9a55dbe1e1279ebd8eb1f4d8e2730cf5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_9a55dbe1e1279ebd8eb1f4d8e2730cf5_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
68KB
MD5107ef2e2e52196a1c5c5a595c96af5e5
SHA1e64a9684724d195456cd0156fc363081d8c080d7
SHA256143e73f4779e88ff27a2e71236b9e418759cd51aa9c13b7c9df0e444eca2f1fc
SHA51229409bf354b9ada9346ca0afbda5e103010d1650385ffb478fab8b4c93eeb6fd3dae3c1bfc7798bbbee8fd99cb87fe90c991fe0bdde47b27a28f9273fb5af798
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB