Analysis
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max time kernel
154s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 01:51
Static task
static1
Behavioral task
behavioral1
Sample
d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe
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Size
248KB
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MD5
46e5386be27c91658cdac9f7ed49a365
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SHA1
5b0638a695e26e44bb7ec7095365af93441ea680
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SHA256
d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11
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SHA512
296ce6f9de56d5ca0b9a9a64d6ac268a0271c4e62c56918929f516f8cf1a8b7bb88e63f6921d8b4898054f86bd3b752178fcd2d75590e910865d46ac09611cf0
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SSDEEP
6144:pDM5CElofkFWQPtnRneqAKnvmb7/D269fgwMty0e6ndv0Dj:pI5CLkFfnRnWKnvmb7/D26qndv0Dj
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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yoazor.exe -
Executes dropped EXE 1 IoCs
pid Process 4276 yoazor.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 d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe -
Adds Run key to start application 2 TTPs 54 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /k" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /M" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /h" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /B" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /a" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /L" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /g" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /r" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /N" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /y" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /Y" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /G" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /C" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /P" yoazor.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /K" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /i" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /F" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /R" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /T" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /X" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /m" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /Z" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /v" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /l" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /A" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /n" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /w" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /V" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /W" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /s" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /j" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /u" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /z" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /d" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /q" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /c" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /I" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /U" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /e" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /o" d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /t" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /p" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /O" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /H" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /Q" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /S" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /E" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /b" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /J" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /D" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /x" yoazor.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoazor = "C:\\Users\\Admin\\yoazor.exe /f" yoazor.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 5044 d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe 5044 d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe 4276 yoazor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5044 d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe 4276 yoazor.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5044 wrote to memory of 4276 5044 d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe 81 PID 5044 wrote to memory of 4276 5044 d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe 81 PID 5044 wrote to memory of 4276 5044 d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.exe"C:\Users\Admin\AppData\Local\Temp\d5b798ad8f61e7c43cd68b3fc7d9819fddb81933ce8fb3db664a1ec4579cba11.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:5044 -
C:\Users\Admin\yoazor.exe"C:\Users\Admin\yoazor.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:4276
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
248KB
MD5f9b24737df6d0de66947f58f735dd110
SHA18ddc11745755ba70f805484b36d314533ad4b0be
SHA256a781a5bd0b0934a500dd66fa53c9f052ba0584075bf8324f0f837e63269b111b
SHA51202f45bcca5b41b782e014e616d8edf717c602659e7d7a9032f9ef447537c12dd28eb0f43c35b69c914e1dc701851654d7344ab7901c04637ac1b8b0c5761b0d8
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Filesize
248KB
MD5f9b24737df6d0de66947f58f735dd110
SHA18ddc11745755ba70f805484b36d314533ad4b0be
SHA256a781a5bd0b0934a500dd66fa53c9f052ba0584075bf8324f0f837e63269b111b
SHA51202f45bcca5b41b782e014e616d8edf717c602659e7d7a9032f9ef447537c12dd28eb0f43c35b69c914e1dc701851654d7344ab7901c04637ac1b8b0c5761b0d8