Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
29-01-2024 05:34
General
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Target
2024-01-29_5c9b685d69d879f88b61bd736c709e36_cryptolocker.exe
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Size
93KB
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MD5
5c9b685d69d879f88b61bd736c709e36
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SHA1
19c956e2ab51fb2ec989b0830a15fb2f05297ebc
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SHA256
5ab7357c4795e67cfae0f1730289516db928ae088f302dbae451cc350d2ce92f
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SHA512
9223cafca378950a079c31de450d8199f52a5469a397a8577057bb648e02fcb8e045b058cc5ca87fbf50cc96d1582cb6ff821caaf180e0903cb5839629d1bfe8
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01EEj:AnBdOOtEvwDpj6zT
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\2024-01-29_5c9b685d69d879f88b61bd736c709e36_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-29_5c9b685d69d879f88b61bd736c709e36_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
93KB
MD53c2bf30ec3bafa3b3c340c467e06dc90
SHA166cc4980e7372cc4d1d1f40660a9b561b644d49f
SHA25623dabbbc4fcd9adf7591b5a2b3528035243f68bfce99855c1a68148d3f53881a
SHA512b5f2d269d2ad9edc2820a25f987c2bce455f43bf61d2a862fc93c62efefefefbd58ab5033246579b2e0dce0e4b7f0330304f0984634773be95a83edaafb8d6db
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB