Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
20-02-2024 05:58
General
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Target
2024-02-20_8b25d3d7b50083d7c903e7e7eaee73d3_cryptolocker.exe
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Size
62KB
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MD5
8b25d3d7b50083d7c903e7e7eaee73d3
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SHA1
cc27c8f7d728ffc20d11e55c09aca0214083330c
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SHA256
e47fb8d55f2b7db531c2b7aac8c04655e8a48a6cff0c3ff0a6589ed40b2a012e
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SHA512
44d547b4d0bc258288a3347aa465d9511b0a70e984e21fc1663d8d8c25d395730a8e32502653d7beb85f1db6202a7b3f1ff6522c932272f4316751d621661dc8
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEKIs:6j+1NMOtEvwDpjr8ox8UDEKj
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 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\2024-02-20_8b25d3d7b50083d7c903e7e7eaee73d3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_8b25d3d7b50083d7c903e7e7eaee73d3_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
63KB
MD56d74186af339198dbd79658ee0cd7465
SHA11f5ca4587354eac3e713f9d1a6a6d37c13dcb2cf
SHA25605fe32f9e2354daa18143300a0d6ac18c0ad8c235fc777bec2049ca53ffc7a78
SHA512ba9297a798c69a1c58cb2f9b13d153cbd81488ad91b19d34217fb4d7fd0de0a7b42dc134c88659cda35842ef7f5c3e57277e9dc9e20d595a671b07d9f2d8c4b4
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB