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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
18/02/2024, 13:38
General
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Target
2024-02-18_802259be76359d46017dc9ad768ba35b_cryptolocker.exe
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Size
67KB
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MD5
802259be76359d46017dc9ad768ba35b
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SHA1
814d398696fcaa5d50805558774f4b45f9471f0b
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SHA256
5e32018d79c98fd84c13b9bc92537640c7f54f647b7c165250b1bb2da69a22cd
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SHA512
bce599ef7bbb9732ec7f904eae8e524f863cb0bcbbdddd49b95bd4499ab2020167c0e08302b214e63f0fad2d0510c7cb7bacc0bede322cbfb5ccfb766801be00
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBv:z6a+CdOOtEvwDpjQN
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\2024-02-18_802259be76359d46017dc9ad768ba35b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_802259be76359d46017dc9ad768ba35b_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
67KB
MD581b9afcd9a245129f72c22e82d59d6c7
SHA1de4f5842f780508393fcf50adec9fe8c9540dfc6
SHA25669715578d6d2e1b323393c06ba921052aea48eb1cbc1cde5758db070f0618990
SHA512eb90f8b5e75cafcdef3ea5f77ef2c5f49e59dff06bdd8671ff8b2f53b4c8a635bd0a97537f08fa0ac110e5bdba10bc337187c02254353931b99030c63422eb12
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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