Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
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submitted
26/03/2024, 01:44
General
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Target
2024-03-26_23d9f1839dd367245798e391488074f1_cryptolocker.exe
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Size
117KB
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MD5
23d9f1839dd367245798e391488074f1
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SHA1
db3daef2d94388eb36a9791824f1a4b4ca4aa431
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SHA256
1fc308f2427c27775937ad5dad9f76bbde3a930614a74737bbdfc1a0339e976c
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SHA512
0a12cb67a9cf7cc9d162d335a92c959e9bec5d4f888a510d5c5ec46455c4d1dab615536eec682621582c932959d69feba01cc909aab45283392c86b71901f891
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01D:z6a+CdOOtEvwDpjczR
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\2024-03-26_23d9f1839dd367245798e391488074f1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-26_23d9f1839dd367245798e391488074f1_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
117KB
MD5fbf3620a234b9ad8a766f7a1ab3bc38a
SHA1ba77ce84029d83665250183a4713fb696a4e596b
SHA256a6e88635e9080f8a40247935a09cf89a3b80061114ff7734a3530e039bb4f4ff
SHA51200113f89728f30f0cb341dd5e7e42342c53168416b1b3ac0896bdbb4701ced1724357c3c561fffa3a1bc10e322cbd1772379cf2bb28c5cdf94d7a6e2d6351090
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB