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Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
06/06/2024, 11:58
General
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Target
2024-06-06_c79681ba3b089dd112db66b4d83abe65_cryptolocker.exe
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Size
89KB
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MD5
c79681ba3b089dd112db66b4d83abe65
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SHA1
717364b6bb57427d090816812d5e8a267d97eb5a
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SHA256
066263f16c9010350ce6accaad7ee31c4f3f38662ff936b91168ceebab4a21c5
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SHA512
db69d4ad6c2e17e436a997f95b150b2d8ab5e0720ff1d749da3e813d8e82f299867f4a627f636ff5895758d0287b122ffed2f3b6cad8259187a1995d70bf7297
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODwv:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg6
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\2024-06-06_c79681ba3b089dd112db66b4d83abe65_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_c79681ba3b089dd112db66b4d83abe65_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
90KB
MD5aae305f708b80b9c0b5f980f93b1ff07
SHA13fe6dc1d1a55a8a12c73454998241b5c6adfd52f
SHA256bf2f1c5a2aa6aeb6adc2fb13e9c4a8f73b98b6878082e939a726a1669decdebe
SHA5125dde316aae248a9d9a41d248ce6bdcf20f4556a54a16bb2c95f8a1b1efee00e89726b80bc7f15709f06544606ccaef16e0e0810235760899a336f968b165b612
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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