Analysis
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max time kernel
204s -
max time network
206s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2022 02:36
Static task
static1
Behavioral task
behavioral1
Sample
b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe
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Size
260KB
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MD5
4f4d557d4e6306f3cc1b367ce958b5d6
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SHA1
38ea423e17abbf7d694020044d971bb42441117a
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SHA256
b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6
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SHA512
a024f906c87c1a3bc81c12c52438aa9464b9a3b916459bf4a516ae76922c6013c986ea4871d6b76e04389171d187dcfe94145375153d7da852063b64c8542912
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SSDEEP
6144:+P/zS0LQ4GoKVjdiOxvUbVcOSWgVxCuq88vvfCnftvtRPQp4T:+/LQ4GoKVjdiOxvUbVcOSWg9q8FftlR9
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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vaunoaf.exe -
Executes dropped EXE 1 IoCs
pid Process 4356 vaunoaf.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe -
Adds Run key to start application 2 TTPs 50 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /l" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /e" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /h" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /W" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /y" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /p" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /b" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /P" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /Q" vaunoaf.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /L" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /u" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /o" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /C" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /V" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /z" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /N" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /k" b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /F" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /j" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /I" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /Y" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /A" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /d" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /t" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /q" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /S" vaunoaf.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /D" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /R" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /w" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /G" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /M" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /O" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /X" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /v" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /i" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /a" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /f" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /s" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /n" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /Z" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /c" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /J" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /g" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /E" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /U" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /B" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /x" vaunoaf.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vaunoaf = "C:\\Users\\Admin\\vaunoaf.exe /k" vaunoaf.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 1472 b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe 1472 b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe 4356 vaunoaf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1472 b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe 4356 vaunoaf.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1472 wrote to memory of 4356 1472 b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe 82 PID 1472 wrote to memory of 4356 1472 b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe 82 PID 1472 wrote to memory of 4356 1472 b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.exe"C:\Users\Admin\AppData\Local\Temp\b072959f2d89c9d6003629b4079e0bf13690cae69c09ad1f3f4c53f20a7d7cc6.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:1472 -
C:\Users\Admin\vaunoaf.exe"C:\Users\Admin\vaunoaf.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:4356
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
260KB
MD53cfebba83c3c35af3c02584cfbf3e16b
SHA13291a8842af3808c24e0573ff944b84157a62071
SHA2565d596e710b040c7e1b6d50cc67b1f24a732f00f072b2c249d7a7df184513b2bd
SHA51253d8001285dbe2ee8d102fa087862b1db6fde126a7e896c7a3b21fb04b6d12c50450786675bfa7ddb25a81afae0a3855ffed6a13b79b0c9a8ad79c4bae0a6aa9
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Filesize
260KB
MD53cfebba83c3c35af3c02584cfbf3e16b
SHA13291a8842af3808c24e0573ff944b84157a62071
SHA2565d596e710b040c7e1b6d50cc67b1f24a732f00f072b2c249d7a7df184513b2bd
SHA51253d8001285dbe2ee8d102fa087862b1db6fde126a7e896c7a3b21fb04b6d12c50450786675bfa7ddb25a81afae0a3855ffed6a13b79b0c9a8ad79c4bae0a6aa9