Analysis
-
max time kernel
155s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 03:16
Static task
static1
Behavioral task
behavioral1
Sample
da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe
Resource
win7-20220901-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
-
Target
da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe
-
Size
304KB
-
MD5
4dc14fa51c8b3d2805b5111403554240
-
SHA1
e2355b9aca627fb49a35fe878db5c0e346856770
-
SHA256
da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb
-
SHA512
2416c3e5b4b6f05aaeeb9fd83e5907ed37758bee8a90f8f7464573c082d1c486b83f65f91189ad8b7716ef2c341788d222a8bf97624842987e988ddaa22f4047
-
SSDEEP
6144:R/XHev4nGx/AMSDiaf2sG9+dUk8RlxHtcUt5XsYaY2YE:1X+wnaAMSDiaf2sG991tcUH8ff
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vuoanop.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe -
Executes dropped EXE 1 IoCs
pid Process 4648 vuoanop.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /t" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /u" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /f" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /i" da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /j" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /s" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /r" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /x" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /p" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /k" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /o" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /l" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /m" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /h" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /n" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /b" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /e" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /y" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /q" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /w" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /c" vuoanop.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /i" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /g" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /v" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /z" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /a" vuoanop.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vuoanop = "C:\\Users\\Admin\\vuoanop.exe /d" vuoanop.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 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum vuoanop.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 vuoanop.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4476 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe 4476 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe 4648 vuoanop.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4476 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe 4476 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe 4648 vuoanop.exe 4648 vuoanop.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4476 wrote to memory of 4648 4476 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe 78 PID 4476 wrote to memory of 4648 4476 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe 78 PID 4476 wrote to memory of 4648 4476 da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.exe"C:\Users\Admin\AppData\Local\Temp\da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb.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:4476 -
C:\Users\Admin\vuoanop.exe"C:\Users\Admin\vuoanop.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:4648
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2032
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
304KB
MD54dc14fa51c8b3d2805b5111403554240
SHA1e2355b9aca627fb49a35fe878db5c0e346856770
SHA256da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb
SHA5122416c3e5b4b6f05aaeeb9fd83e5907ed37758bee8a90f8f7464573c082d1c486b83f65f91189ad8b7716ef2c341788d222a8bf97624842987e988ddaa22f4047
-
Filesize
304KB
MD54dc14fa51c8b3d2805b5111403554240
SHA1e2355b9aca627fb49a35fe878db5c0e346856770
SHA256da6227fc2e4c7367f55622836fdad95b522dfd0ff89f2abb78cbfdfcbda0c8fb
SHA5122416c3e5b4b6f05aaeeb9fd83e5907ed37758bee8a90f8f7464573c082d1c486b83f65f91189ad8b7716ef2c341788d222a8bf97624842987e988ddaa22f4047