Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
21/05/2024, 23:40
General
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Target
2024-05-21_5daf66fd7a1bea5099526a83378cfce9_cryptolocker.exe
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Size
40KB
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MD5
5daf66fd7a1bea5099526a83378cfce9
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SHA1
25f9f74ce8ce06bdbbeeb11339780ce1554565ad
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SHA256
a9424b1be96fba408ad1db4cfe07cfefa34a5d09decc879f022c7c07bf1bc031
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SHA512
028c3d5304d4b010b0a9dbe4067a2fab26aff65ae6475f1ab52354518ea6da700f04236d2e4792bd4340b01dd3b1049187bf50140b30387002200b50a86da15f
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYS3:qDdFJy3QMOtEvwDpjjWMl7T13
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\2024-05-21_5daf66fd7a1bea5099526a83378cfce9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_5daf66fd7a1bea5099526a83378cfce9_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
40KB
MD5220c8c7ce7f7fb59c69636da72ef8ec0
SHA1254b29bac3d1ca132a0318bb9387b792dd0cf881
SHA2567c1c048d24dccb42d355edd01ea0ba0e034bd305d2cbb891b371ffae6fabd4b2
SHA512c0f80fb80071afce82d1c0fb6617e2df4c67b220dcbab5a9d989dc99cae05a323981b5250546b951b45ff33c17dd341b5c29ac55015e7fdcf43da283e729d048
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Filesize
64KB
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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
24KB
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Filesize
64KB