Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
25-01-2024 06:35
General
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Target
2024-01-25_9732b80a0ff83db7b46dcef04f284281_cryptolocker.exe
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Size
74KB
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MD5
9732b80a0ff83db7b46dcef04f284281
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SHA1
0d4733fb972be5fc0e8b1b32abdb6869860a2dec
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SHA256
805d0793a61e9c0576701b752bc80b139d0c7115a4a1d5822e5f89626ca53ea6
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SHA512
212dcc90150338ed3b74402c72afb8c1de9e9a2040cc612f7f5db4665a93b8e9481193759c3265d36b08231239734dba85997bb5bae168426c309274387f5432
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdY:T6a+rdOOtEvwDpjNta
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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\2024-01-25_9732b80a0ff83db7b46dcef04f284281_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9732b80a0ff83db7b46dcef04f284281_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
75KB
MD58406a5639c43b3538ad6bc18bd6c8964
SHA1ce05f93f5ae1137eadb7b3b293e75b1145c3de93
SHA256dceddd4b00c591ec436d6decc45c6784219659287f1fba2e3b49fc36b3d2dbcd
SHA512de351a88c38deec54991ea5d2d2719b621ca03f65ac1f0999c38187402005f161ce7452df5b704f4bbed87778c868ba7d184a0e05048e43b21bc9537e2f14d4e
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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
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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
64KB