Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28/02/2024, 09:03
General
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Target
2024-02-28_39f9e3f602391a5456a712a1c4f41ea8_cryptolocker.exe
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Size
81KB
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MD5
39f9e3f602391a5456a712a1c4f41ea8
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SHA1
aa84dd75729003b932a1c86161d2c3e963cf3caf
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SHA256
386d79385a20fe961268ddcca6498fdf4e5807cced5c135f24a6e600b164870c
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SHA512
78cca84e70efe671c6d1543c8c1b773a133a09b7c942e201c9176a6507f367558cc004bdef754c950f3ada64f1f77d6b561b03e6d9276af046af67f4b91737e2
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdeK:T6a+rdOOtEvwDpjNtj
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_39f9e3f602391a5456a712a1c4f41ea8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-28_39f9e3f602391a5456a712a1c4f41ea8_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
81KB
MD50deb51f71be4955667ca7d497738c037
SHA11ed81332245d48fa3347bc12a8761c56a4c5d0dc
SHA256eed25df1c92ece84c2252b260187c191887bf14bca8281d787568fc9b351fbb5
SHA512c42e6ec8ba92056921c2976cccc1e109ac35917a9d0e68d383d1d282aab63de0251cc66c46dd302d4eafe63acacfc38e0b2357dc2c5f198d12b472d2e0ea069b
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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
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