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Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 23:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
440e4c9530f309b8d3fa239ca4fb9e58.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
440e4c9530f309b8d3fa239ca4fb9e58.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
440e4c9530f309b8d3fa239ca4fb9e58.exe
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Size
232KB
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MD5
440e4c9530f309b8d3fa239ca4fb9e58
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SHA1
2ff64f58200eb602d3a8fc7ce1c2d9d6cf2291b6
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SHA256
26a60290b145ace56ebfe219e3868aa632e00a438fb0328e427f06531f9b5ee2
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SHA512
8c7c55e481a8f031cb910e736ca773b44c81cec6199d54360f373c87706e66495eea65bd148984d05d2a4d5a19f4e278d04a4f0e6d0ec4278695d364aaa1c3e2
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SSDEEP
6144:/C3PFKs7STL6eEqxF6snji81RUinKn3Kt+dNF1FE:YPhPDFfE
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 440e4c9530f309b8d3fa239ca4fb9e58.exe Set value (int) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" viayiuj.exe -
Executes dropped EXE 1 IoCs
pid Process 2800 viayiuj.exe -
Loads dropped DLL 2 IoCs
pid Process 1200 440e4c9530f309b8d3fa239ca4fb9e58.exe 1200 440e4c9530f309b8d3fa239ca4fb9e58.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /g" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /n" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /b" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /f" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /u" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /m" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /i" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /o" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /e" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /h" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /x" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /v" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /d" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /w" 440e4c9530f309b8d3fa239ca4fb9e58.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /a" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /p" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /t" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /z" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /l" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /w" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /j" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /q" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /r" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /s" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /y" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /c" viayiuj.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\viayiuj = "C:\\Users\\Admin\\viayiuj.exe /k" viayiuj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1200 440e4c9530f309b8d3fa239ca4fb9e58.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe 2800 viayiuj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1200 440e4c9530f309b8d3fa239ca4fb9e58.exe 2800 viayiuj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1200 wrote to memory of 2800 1200 440e4c9530f309b8d3fa239ca4fb9e58.exe 28 PID 1200 wrote to memory of 2800 1200 440e4c9530f309b8d3fa239ca4fb9e58.exe 28 PID 1200 wrote to memory of 2800 1200 440e4c9530f309b8d3fa239ca4fb9e58.exe 28 PID 1200 wrote to memory of 2800 1200 440e4c9530f309b8d3fa239ca4fb9e58.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\440e4c9530f309b8d3fa239ca4fb9e58.exe"C:\Users\Admin\AppData\Local\Temp\440e4c9530f309b8d3fa239ca4fb9e58.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Users\Admin\viayiuj.exe"C:\Users\Admin\viayiuj.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2800
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
232KB
MD564be213ec4f05176d1a7541391a2b1da
SHA101adda02a792ddb3da72f961ea88d892ef9fe92e
SHA256a25ec5242bc266e7c4935bb50aa8bfec608f3cd57ebcf0dfac85a3989f2edede
SHA512fe0f7cc2e6476b6edec64a60ce53911a39753aa85e7d81b007f000c479fee8f998a700d225be44a9c9d320f3863874362a93e33998e3c4faf9e359de96970932