Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
22/02/2024, 16:43
General
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Target
2024-02-22_d923c1a06ef91ec5e0f1a9ed70584854_cryptolocker.exe
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Size
79KB
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MD5
d923c1a06ef91ec5e0f1a9ed70584854
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SHA1
2ddfc7b1b80cea3eb925175a64be7ce4a56c829f
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SHA256
6df18d959251bebfecc0f176072b14d597ec8958531ada0f552cf27fed842102
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SHA512
ad73823baaf20da27fb8941538439ccf28f1d0acb9197e628fd6e90b810ef238778bb0c0d776a12e228f29336630ad032c81cbca60626ce780009748d8bd9752
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyS2U:zCsanOtEvwDpj/
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\2024-02-22_d923c1a06ef91ec5e0f1a9ed70584854_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_d923c1a06ef91ec5e0f1a9ed70584854_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
80KB
MD594c49879d3de4fb3fb2a2d2d416adf83
SHA169fa9a9c07a9fb590c011cb1d710987da1181be4
SHA2565fd2e6acdfa442b98619683d5ba3dc72e2e2cea25f93b5115fad0f0c7879d871
SHA512939359154c76a5090c3ff69664c7b5108e56d364f11d043960e3fa77d758e6cbeffb841c3087f80d2bef97128aed83616509871332e90abf2ce1314b0697edab
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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
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
64KB