Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2022 20:44
Static task
static1
Behavioral task
behavioral1
Sample
a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe
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Size
308KB
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MD5
08490d66b00863123d5942e5e3a29e9d
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SHA1
3a8d7c564b9819b79b24bdd02571f4808df96ac2
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SHA256
a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab
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SHA512
16bfd65ffdd192cb5a6956065601d393682f046b9e4c1eb5d5df73bdd6f6a9a8998c327cb4255d58302ed609eb67287ffc64ca738ccf0882f87e4cab2d559825
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SSDEEP
6144:9IUIpydVsZyxyK5R8GYKi1Xfvs1tzH51t+ewSRegNb/:Juydfieb/j
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" puupao.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe -
Executes dropped EXE 1 IoCs
pid Process 3816 puupao.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /m" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /B" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /X" a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /d" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /G" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /Y" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /E" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /O" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /X" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /N" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /P" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /p" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /A" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /u" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /C" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /j" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /g" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /I" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /H" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /F" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /Z" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /W" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /z" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /o" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /R" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /r" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /f" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /L" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /v" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /t" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /i" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /k" puupao.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /U" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /Q" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /h" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /w" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /T" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /x" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /J" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /n" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /K" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /y" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /c" puupao.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /q" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /D" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /M" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /V" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /l" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /a" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /s" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /b" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /S" puupao.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\puupao = "C:\\Users\\Admin\\puupao.exe /e" puupao.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1368 a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe 1368 a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe 3816 puupao.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1368 a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe 3816 puupao.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1368 wrote to memory of 3816 1368 a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe 83 PID 1368 wrote to memory of 3816 1368 a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe 83 PID 1368 wrote to memory of 3816 1368 a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe"C:\Users\Admin\AppData\Local\Temp\a9bf55069a94e0637c0953a472fab08cdf5dc2cdcdb6120ed8df5607f2e01dab.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Users\Admin\puupao.exe"C:\Users\Admin\puupao.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:3816
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
308KB
MD5b5c0b255336dfdeb79be27a21d765658
SHA145605840108249a08b58d0525316c2794576dea6
SHA256b5cba23324b942ec4ff1d2084192a19e90d1bd4073890b67ab448abde0486f0e
SHA5123e22d9d5c90d6a0055ee00856f6137439d1ae90312859f99c7bcc56df73715254ba2a7ec99c9a378d2fcc141b841241e0e312140feb10c7ecafe248f17e569df
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Filesize
308KB
MD5b5c0b255336dfdeb79be27a21d765658
SHA145605840108249a08b58d0525316c2794576dea6
SHA256b5cba23324b942ec4ff1d2084192a19e90d1bd4073890b67ab448abde0486f0e
SHA5123e22d9d5c90d6a0055ee00856f6137439d1ae90312859f99c7bcc56df73715254ba2a7ec99c9a378d2fcc141b841241e0e312140feb10c7ecafe248f17e569df