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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
23/02/2024, 01:54
General
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Target
2024-02-23_c8c47bbe15ddb306d145294faa77a015_cryptolocker.exe
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Size
66KB
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MD5
c8c47bbe15ddb306d145294faa77a015
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SHA1
cd99f1c72c3b89ea1e341be3921cff037df1d00b
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SHA256
c9037d56250b2d6a329b4ac71ca28ad0abbc764f46c19ef9ed5e856eff9e3f13
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SHA512
6b3bacfb8b3c529cdb0a85ccea9ad9f790179eab0517b06284d848777f6739774461e4c314061491a6b71fb291eafb3faaa69771292dea6f9d7c899fab507d61
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UncY:1nK6a+qdOOtEvwDpjc
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\2024-02-23_c8c47bbe15ddb306d145294faa77a015_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_c8c47bbe15ddb306d145294faa77a015_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
66KB
MD5d83a7d54e4f403913ed00b488320428b
SHA17eb7df0ea8fddbd684b0b53ecf7348838d8b39ab
SHA2566702871a46e614588eb02be1c5a7ae9867af9d41fb7ce3a2bd87a5518f194094
SHA51288d0281d01f317e53d1b4b38fc22c91fb75d0379cde2dd84d7384a31dfedc5c242ee43b76426ad89e56e9a6ada23325944883d2bd6e678e01534054ae9ccfeb1
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB