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Analysis
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max time kernel
148s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
31/05/2024, 22:26
General
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Target
2024-05-31_1eef6a3d82cfffa965ee482d2d4fe65d_cryptolocker.exe
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Size
69KB
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MD5
1eef6a3d82cfffa965ee482d2d4fe65d
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SHA1
14e367a4d1d0387a5920825ed6cb6d110acfca71
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SHA256
a24d73d1408513bdca13efbe99ce83bc89d392e9e3199bb16e71eb642e449bdd
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SHA512
675ff457a4c79c35ad7a9e3192479c5b5f31425adb9290e91cc86b5460937107756149bcae3d3ce05a9d1fcb899ba3f81b84fa0ebc041e3afa37986d84a9ed3e
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SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQApI0A:78SEOtEvwDpjWYvQd2PQ
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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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\2024-05-31_1eef6a3d82cfffa965ee482d2d4fe65d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_1eef6a3d82cfffa965ee482d2d4fe65d_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
69KB
MD57d9b1dc839ca13abaf43d1f606632252
SHA185991aacea8e5bf7ab43e34d94117f8c753cbc9d
SHA256eb1efd8932fe2611d1f706dcb6ec7aed12d8781a08bbe5994d6d74cb95a7ee83
SHA5123b03ffa0a672507e3e5be3fb85f13ebd888b91ceb7aab55aa1a56a7302225a56e8670ffbad59f6d5488dd711d603f4424f77f0f31cc0f9201482eb207db91665
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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