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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
01/06/2024, 01:23
General
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Target
2024-06-01_b6bb4ab934cd918cbf41b01619dec35f_cryptolocker.exe
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Size
66KB
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MD5
b6bb4ab934cd918cbf41b01619dec35f
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SHA1
b44db05d7d23ef38b0c2dbb7a13f087f11910ec2
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SHA256
28df1b6d38d0f59e4cdbdb73ddb9fabfd6c9538bfa41658e0e67cfd0c0f7679b
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SHA512
15c2e08b4969aa998c2704c02b9e7a8ec204be50e7360e4c200f605d43f1da3042ae32c19d9cc178dce401d33b13891d0f8a7597d4b586c5ff8a473142c545f9
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDyB:1nK6a+qdOOtEvwDpje
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\2024-06-01_b6bb4ab934cd918cbf41b01619dec35f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_b6bb4ab934cd918cbf41b01619dec35f_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
66KB
MD56de4114017c99771eee7b75fe574acbd
SHA135ed7c2e638ddeb5be172e43bd701892e71bf6ca
SHA2560db1da3f4432e6092ef8ad03ad20a5a5fd066ce6a8e5e330a90a401c03eb1db4
SHA5122ec81637950dbb354ce17b7f1dac2249bfb19f32e5a6b9317937b22a898694cbb8caaa19479a57d29d31cbde9af1913eeb4628b15ffe2a8f189fc2eb45972e20
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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