Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
28-04-2024 03:23
General
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Target
2024-04-28_0f10d60ad75f9009a3bf7a74cf6ebc7c_cryptolocker.exe
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Size
40KB
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MD5
0f10d60ad75f9009a3bf7a74cf6ebc7c
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SHA1
44d813b9a78b15181ac3d416f618df6037647013
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SHA256
2b824f5850cc40e6be4fb3a23fe77e59c1546065f68b05fe652604672cc4b7de
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SHA512
3b7852875f1be59e63970c7a1b14c9c977bb8cce3a8b3bed244438f9a82b5aa3c040c73b89eab0fa5bfe79fbe44ca0ccc5c28c923eb9b816b245ed47fdd98cda
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SSDEEP
384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHX:ba74zYcgT/EkdCQgpwXFXSqQXfj0xK3
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-28_0f10d60ad75f9009a3bf7a74cf6ebc7c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-28_0f10d60ad75f9009a3bf7a74cf6ebc7c_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
MD59649171095ab146e596c6e578f73cbc8
SHA1d642047d237b5344908fbfafacd1632c8df5155d
SHA256d78e0fbb3993b2062a3460c7bfcbaa7dc752ba8c997978038ca03157630fd7fb
SHA51290e8d5f70a35521ad4a77d1ea11f7922f67c059cc2927be9a49c0032e91e92b0a2f7f7202130f2fedaca5dd8a7dcc73e65a317dfd5fc653bcc1a6274ed01da56
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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