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Analysis
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max time kernel
0s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
23/01/2024, 18:42
General
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Target
2024-01-23_00531770a79e57dab01611817e739289_cryptolocker.exe
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Size
78KB
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MD5
00531770a79e57dab01611817e739289
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SHA1
60164b534d264053be6b5c2255035fcc454faba9
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SHA256
695a54a5aa9e8bc3d0bbed4af380fd7b6764721e9942023a439373c7de117edd
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SHA512
c1e131efef10108ba227e9e5fe23d33dda46a816083c47580284a824e537b86974d406ab6d6739b739550df91bbcf472a04d50040e79d286bf4c79d2f30f9814
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7pBlqrr1HBJooSeKzu1adyBM:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky2
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\2024-01-23_00531770a79e57dab01611817e739289_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-23_00531770a79e57dab01611817e739289_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
78KB
MD520a50dace6337ab8c138bbe08ccfec58
SHA1398e99d77c3ea8680f86d3403a99461534bb3a01
SHA256874a10729342b0143f16d9016a9a50edf23a8709119a18a8724417c709641846
SHA5120271a50a480945cb39e4dfdf728e19d1fe820df7861fbd05a56cb985533cae754be131ffaed993cb29dd0da0d77d0d7036995795c6edf0c5514e8e8783213fc3
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Filesize
315B
MD5a34ac19f4afae63adc5d2f7bc970c07f
SHA1a82190fc530c265aa40a045c21770d967f4767b8
SHA256d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3
SHA51242e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765
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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