Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
30/04/2024, 02:47
General
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Target
2024-04-30_75f3672c40b1d7b4d5773881815ed282_cryptolocker.exe
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Size
39KB
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MD5
75f3672c40b1d7b4d5773881815ed282
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SHA1
5422f04f078d11c1405bb1c28541e7cd4d29be43
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SHA256
b23807dab0aad940f1f13e565a1f2446fc35ba47258a787e7f161895b5c641b9
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SHA512
df603a73346af26d67705ecf88b0c91fe26bd4b641d6afba00f41eec7458bd7d395df62dae87e92a89cb0b11135130cf07ebb37b3fe4019e1a448a0992a8fb31
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaav+:qDdFJy3QMOtEvwDpjjWMl7Tdt
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\2024-04-30_75f3672c40b1d7b4d5773881815ed282_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_75f3672c40b1d7b4d5773881815ed282_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
39KB
MD5243272b54d22677963b6f4f593c8c4bd
SHA1b7f8d8305481ebd8d30c1456bd88e0f79158c939
SHA256b226ce2fd2080c0993182ab6170de121b900cc54e8f5f2187209d05d35c8520e
SHA512ca40c316cc79e6a12a212fd928ac6ad8bcd1a0b459c009142e83a43317e4859d5e46aa6af330d1f3b6d66b8d650fcd58b56df544f0a28f08c9e4dddd87b069e5
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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