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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
29/02/2024, 05:29
General
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Target
2024-02-29_a302b78a27dcd5847cdf9fade08ba524_cryptolocker.exe
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Size
83KB
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MD5
a302b78a27dcd5847cdf9fade08ba524
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SHA1
a71ced9b16fa4318627c1c71dc56095680b7ed8d
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SHA256
2164c4fcdf3cb87c5351841f1a6e9431bd306957eed5df7d97883591983db74e
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SHA512
3b3efff707d5121a5c34bff6625c95bfe2b44ed260d1f4236b141aef3b0c92ed72b08aa1a5f00b8fc32abf4e04ad16c79af1556acdc01d165fb89d46412799c4
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS18:zCsanOtEvwDpjC
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 2 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\2024-02-29_a302b78a27dcd5847cdf9fade08ba524_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-29_a302b78a27dcd5847cdf9fade08ba524_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⤵
- Checks computer location settings
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
83KB
MD5cb10c43307752162045f2a3d3a78c9eb
SHA15ec02edaf5703d16486702997baaaa6116c08cc7
SHA25605a7fcde17197f9c8bd83e6f7279f315ac860244143f92088ee8fdf42a4aa04f
SHA51294e93958f5e485a958d50cd20b6bc377e3a0fb94366691059d943245421fb42878593117281c7990ed30c310346619eeeee6c7c185314929b09b9e748451599b
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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