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Analysis
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max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
04/02/2024, 15:39
General
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Target
2024-02-04_ef8dcedf8c1c3c8a8bcbf006bf9d49d6_cryptolocker.exe
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Size
56KB
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MD5
ef8dcedf8c1c3c8a8bcbf006bf9d49d6
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SHA1
1aaaca642343a965c4d8625455ec1885c0c15818
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SHA256
5aa0e1a665bd7fc0313363fe0879de6be733b88b41432a95673cbd0f9f79e550
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SHA512
66202676cfac7d1e4f8ad57077d7bb0563921f25b63accfb1870dcca4ca1add0656a1c973f94868affb033aaf77a865a3872c3c1266adb0f66e9ed2834996a28
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7Goi20Pb3:xj+VGMOtEvwDpjubEgV20D3
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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Detects executables built or packed with MPress PE compressor 4 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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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\2024-02-04_ef8dcedf8c1c3c8a8bcbf006bf9d49d6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-04_ef8dcedf8c1c3c8a8bcbf006bf9d49d6_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
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Downloads
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Filesize
56KB
MD59331fd5a7be042fe4e7b8e2954909d74
SHA1ebd9a37b8dd410979c715828f486dd83bc40b687
SHA256710b606d9c6629e07998fedf2218c59dd6dcf72a94bb04f6201d56189ba16d18
SHA512a484cd06f82dad5cd544e90a419af5daec11760838631388f3da33b49e6e781d598a155301076ac96e16dd0915813a37392a235d51c8e0d3cb5e77577480f4d9
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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