Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
17/04/2024, 05:30
General
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Target
2024-04-17_1d19c9f71952dfd4e27d29b6eda32301_cryptolocker.exe
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Size
79KB
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MD5
1d19c9f71952dfd4e27d29b6eda32301
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SHA1
cab6b62ae77c832044709fe43b6a99ffc7a1d01b
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SHA256
ada6957bb8fa35bf9863488986c0fe0f8786e0936e4b928fbf81afddf4eb4e73
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SHA512
83d66998f4f00ecb4d457f284e3e00e6f47a2cb5d64c6adb5307f90f2d609a8b24558a184a9ba1ea5037938552477615227992d8da9c742fbe4b9c6ee25c7a4b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QG:zCsanOtEvwDpjK
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\2024-04-17_1d19c9f71952dfd4e27d29b6eda32301_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-17_1d19c9f71952dfd4e27d29b6eda32301_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
79KB
MD5aaac4b60e5ae457a49b34cd355521222
SHA156e1db3f7fef612552b905315135ce6c7714e7a2
SHA25670631e8e67dde817a9de6987d2286f1c7d5d451cc290e65d364adc8d65226c82
SHA51252a4b346acce0b9e1291ca018cc150399f780cf4bd6d4369a0e61a896656d44c1bd0d6c109b82da8507f931d0d9fa1800e0102260bca45e2de41e9f91067f827
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB