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Analysis
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max time kernel
153s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2022, 23:08
Static task
static1
Behavioral task
behavioral1
Sample
42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe
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Size
236KB
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MD5
342d4cc1d5f5ddcac951e8976419a21e
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SHA1
afacbdfba160f6c07640002b6017a5afe8446420
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SHA256
42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a
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SHA512
3f2645bc0c1aafff0ef5bda400c3f0225264d133766360f01d5bc1c919cc4da4e024d85161dcaf9f1065eba573a9eff4577820dbd0784a8976dff93a920832f6
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SSDEEP
3072:VvA88As5CCTW4xyGHmRgbCgaOkmjGSsbFMpYmUnR:Vvtn4xyGHmRgbCVO1jYFZR
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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vooup.exe -
Executes dropped EXE 1 IoCs
pid Process 220 vooup.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /b" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /e" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /y" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /f" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /c" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /q" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /g" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /k" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /h" vooup.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /n" 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /n" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /j" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /o" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /x" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /i" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /s" vooup.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run\ vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /a" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /z" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /w" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /r" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /t" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /u" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /m" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /v" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /p" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /d" vooup.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vooup = "C:\\Users\\Admin\\vooup.exe /l" vooup.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum vooup.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 vooup.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4848 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe 4848 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe 220 vooup.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4848 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe 220 vooup.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4848 wrote to memory of 220 4848 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe 83 PID 4848 wrote to memory of 220 4848 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe 83 PID 4848 wrote to memory of 220 4848 42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe"C:\Users\Admin\AppData\Local\Temp\42a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4848 -
C:\Users\Admin\vooup.exe"C:\Users\Admin\vooup.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:220
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4032
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD5342d4cc1d5f5ddcac951e8976419a21e
SHA1afacbdfba160f6c07640002b6017a5afe8446420
SHA25642a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a
SHA5123f2645bc0c1aafff0ef5bda400c3f0225264d133766360f01d5bc1c919cc4da4e024d85161dcaf9f1065eba573a9eff4577820dbd0784a8976dff93a920832f6
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Filesize
236KB
MD5342d4cc1d5f5ddcac951e8976419a21e
SHA1afacbdfba160f6c07640002b6017a5afe8446420
SHA25642a40320ced37c2639d94ae2e7fbcb602c3b9ea9a8e1157592893db8d54ab22a
SHA5123f2645bc0c1aafff0ef5bda400c3f0225264d133766360f01d5bc1c919cc4da4e024d85161dcaf9f1065eba573a9eff4577820dbd0784a8976dff93a920832f6