Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
28-01-2024 18:30
General
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Target
2024-01-28_7d95e25c9035d13d5418d493a5d2e3c8_cryptolocker.exe
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Size
107KB
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MD5
7d95e25c9035d13d5418d493a5d2e3c8
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SHA1
9d8473e7eb2861b0b746442acdce9d4f66efc591
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SHA256
90bd12a44d83ccdcbe42604d0809af9355b2c76fb417347ddde056ddbecb4c46
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SHA512
61b9147e6fa7e9192d54c9051e1d464452c587bec98397a98198c1ca3590ea76bb651a8f85c8dfe02b96df14b6155f853c9d1b0220ff93e068784096274e15b0
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksgEH:1nK6a+qdOOtEvwDpj5
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\2024-01-28_7d95e25c9035d13d5418d493a5d2e3c8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_7d95e25c9035d13d5418d493a5d2e3c8_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
107KB
MD5fd6c8786b7fd6d60ce3a0737b7e5b0c3
SHA1ef79574a0613d881a396413c9509a72d8d9c512d
SHA25632001867983e240173c211767ae7d67799b59f42073e9a108467304f0b1a2cae
SHA5122a06a254360a96e205f78e1125f8626dc091ca587aa2f048056eeb9a6647011adfe4417e3840f7412049654e1a43943c5c0216a3435913d52648c150889656da
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Filesize
60KB
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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
24KB
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Filesize
60KB