Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
24/04/2024, 15:46
General
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Target
2024-04-24_28cccc941c40e5621dcccbb0eaef22a2_cryptolocker.exe
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Size
70KB
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MD5
28cccc941c40e5621dcccbb0eaef22a2
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SHA1
7d39a85aabcfca04ab3dd156f6a1ffe889109291
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SHA256
7875a27dfdb3f274320c21cfccec56983cfeb4fd3407669c8dc7074e93ecd266
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SHA512
5705618666197938e26082d4d9b5e1a96d20876d630c32d3fcbf9daf08767e91fd3667e26af711c92b30d1c51d098f3dca6c00a21d3370a89e2e0b2faaba8707
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9F:C4Q2c94OtEvwDpj4H8zk
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 4 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\2024-04-24_28cccc941c40e5621dcccbb0eaef22a2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-24_28cccc941c40e5621dcccbb0eaef22a2_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
70KB
MD5a36509310437f5a220dacb2e87dbcea2
SHA1029cdc0afe6fdeaef1db80b2c8206881869d0a7c
SHA25697f175ccf80b4cbaf8b47ef8bcdc2b31c49a6ad18f15707aae6a9be80cfb0e21
SHA51279c9afccafb6e968e105a3b640ebf4d121b24994fb457f668f44b166173ef47646290639c1321e07bfedd7401e1d4dab0c5aa47ab126432b9f3bd537ddf5d85d
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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
24KB
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Filesize
24KB
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Filesize
64KB