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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28/02/2024, 20:54
General
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Target
2024-02-28_d9c5b06f4dcdc6fe536c383353d5e6ea_cryptolocker.exe
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Size
72KB
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MD5
d9c5b06f4dcdc6fe536c383353d5e6ea
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SHA1
4f277fcc2abfe74d4060acdf8e6904ab75f9abd0
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SHA256
2f5c6938420563035036cab78fcf84985caaec087418f1e7fb58ec2b799ee08c
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SHA512
51e6e26e80a0ad558bcdf808edc77ff4dd63b4e93b641c607825b4f530981427d9c12209a8daa8b4c920579fe62562722b3e6d7a4048782aa6846c568b4acd64
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal8t:1nK6a+qdOOtEvwDpjn
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-28_d9c5b06f4dcdc6fe536c383353d5e6ea_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-28_d9c5b06f4dcdc6fe536c383353d5e6ea_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
72KB
MD5ea4ae3fd97b89a1229079e1fcd200853
SHA10676bdf7b126633b33abea48867cf9957a0cf618
SHA2561b22837dc434179c20d1d9ab9c6e878adf4a7ed8671cac605d119a114a3153b8
SHA512cc9b4c39708efd8fd17367b46e39d18470217085dc420aad389868060910398ba721851fff9081489844219286d61e988b9b00ef5e11378e4d193e7c90a542e6
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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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
64KB
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Filesize
64KB