Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
22/04/2024, 04:59
General
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Target
2024-04-22_799887aa873e8c6c40e3f644744750e8_cryptolocker.exe
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Size
39KB
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MD5
799887aa873e8c6c40e3f644744750e8
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SHA1
581177c4f88235c5022c082b5a617b5ba96c63fb
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SHA256
733d840ff1bf66ae3fc3f193e1694c5532398d5fdd79f1a5a5b4195c6aa791dc
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SHA512
16bb59102d5db0673f993cc04d58ccb062690ad0bfaa3409f8c7525385980a22c86b6e3da016d7922b88fb05ab152ba351bc75d398837691143d03a3efbcb841
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHzu:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKi
Malware Config
Signatures
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Detection of CryptoLocker Variants 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\2024-04-22_799887aa873e8c6c40e3f644744750e8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_799887aa873e8c6c40e3f644744750e8_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.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
40KB
MD50f5f3056df9d47a15408a36500e57a15
SHA16a301a8e55aea527c30147866067370525d72222
SHA2562feb8ab3cf9315bda35bc0e16a5f4fe92948cdcb16a87341e380f0a40e29904b
SHA51226c5e8282ba4d74fc5b82f13e61e0928f403b3d84766cc794676b15becaa7c628346a6b70ec38aea2a856e6830afc37fa7b8b455dc3c59098533c12cf0018d13
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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
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB