Analysis
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max time kernel
152s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
18-02-2024 18:54
General
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Target
2024-02-18_e5b36f5189801918e515302eec3a7ef6_cryptolocker.exe
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Size
44KB
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MD5
e5b36f5189801918e515302eec3a7ef6
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SHA1
746aa18f5289386714b65cd7134d146028b42fec
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SHA256
0a787667864ef384d3c4b6b7c70f4c91718527e3792eaaf8dbbe12fff0d92235
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SHA512
6eace2135d862ce6bd2dfcd7a5d421f99aad04b0c1747362c86fb5f55dfdf9defea005ebae090839521a8644efc6434f3db426fc4e8849a4155e5c2b813828b0
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedmhXSZ:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+P
Malware Config
Signatures
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Detection of CryptoLocker Variants 3 IoCs
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Detection of Cryptolocker Samples 3 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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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\2024-02-18_e5b36f5189801918e515302eec3a7ef6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_e5b36f5189801918e515302eec3a7ef6_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
44KB
MD5d79ca7ed63d57002478b21ab8e187b48
SHA13967700d36caf2eafeb86f672fcbb5a9f5f4f11c
SHA256ef71c3c0ca7f33b83d8407a4a51ffd68963fd11d789982283167b5b8891d1ad4
SHA512024ea1878c7a47e1be5f6141fcc985aa854d591c507e6679ae84fe4fea14c394dbe81a20cb8c12a72aed83254b377d51359a57d21856b15fbe3e4c14b79508fc
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB