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Analysis
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max time kernel
205s -
max time network
208s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 16:56
Static task
static1
Behavioral task
behavioral1
Sample
daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe
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Size
108KB
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MD5
451001cd40034d87d481e49890e93539
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SHA1
c55f2a3dea850db9eb49eaa5d204c5c196660f1b
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SHA256
daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3
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SHA512
0263e354a44ba067725acbfc790a93a99359c3cbc3196a63ccf2fb3c0cee5f536ee5e9e2b25613259763d02930824f27d9386d734d87a89578c78d76f07efcec
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SSDEEP
1536:3ZaHwn4P58jR3QByPQp0wB+XmK5iguHggRTHHgcxIeUN4yEn7Ny+e2qi/7:m5MAGuHggRTHHgpVU
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" daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" vwkur.exe -
Executes dropped EXE 1 IoCs
pid Process 212 vwkur.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 daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /f" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /a" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /k" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /m" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /d" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /z" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /p" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /l" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /w" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /x" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /u" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /s" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /v" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /r" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /j" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /e" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /t" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /i" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /n" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /o" vwkur.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /y" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /g" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /q" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /c" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /b" daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /b" vwkur.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\vwkur = "C:\\Users\\Admin\\vwkur.exe /h" vwkur.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 1700 daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe 1700 daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe 212 vwkur.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1700 daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe 212 vwkur.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1700 wrote to memory of 212 1700 daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe 83 PID 1700 wrote to memory of 212 1700 daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe 83 PID 1700 wrote to memory of 212 1700 daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.exe"C:\Users\Admin\AppData\Local\Temp\daea6eb822d354f6dd51f0e2caa8fb017e3dbb2f264c9d696f82d75dfce1c9e3.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:1700 -
C:\Users\Admin\vwkur.exe"C:\Users\Admin\vwkur.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:212
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
108KB
MD5beafa32cc22cec521836e0cdef1be61b
SHA14eabd43859a969779c6927f1f49766452e6ec0d6
SHA2566a64121513aefeb45c641acecb65ec1bb79ca6766129e834c4ff7b630f339acc
SHA51258d96bcc7c6cb7b1a5f84eaae65240ee544303d7c8235eb1d1c46e30f9b87b1922a4b5b2df469cfee4cb2f2179d921762a1db312e18a8cc6228c347232544390
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Filesize
108KB
MD5beafa32cc22cec521836e0cdef1be61b
SHA14eabd43859a969779c6927f1f49766452e6ec0d6
SHA2566a64121513aefeb45c641acecb65ec1bb79ca6766129e834c4ff7b630f339acc
SHA51258d96bcc7c6cb7b1a5f84eaae65240ee544303d7c8235eb1d1c46e30f9b87b1922a4b5b2df469cfee4cb2f2179d921762a1db312e18a8cc6228c347232544390