Analysis
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max time kernel
152s -
max time network
83s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 10:40
Static task
static1
Behavioral task
behavioral1
Sample
d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe
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Size
288KB
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MD5
d8ada6dbc8623b8831c8e05b3c77da2d
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SHA1
296f9733d0e39a160ed68bd0a1a3df370f4e21c0
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SHA256
d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab
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SHA512
545d46b9ff69c7a6d1a67ae9d53bec454cc26c71ff36d906c47d2f13ea016a89e4a1a7adf180b4fd09f977cb1abd0fdc9bc9e13d7921379d6cbcd00963d5fa8a
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SSDEEP
3072:t2eQZJ3mSP5eFZOZcLSg797VWa4ipZHIfe6rdedUyZpiQ/VzEff7S5SI2hRQ67Sm:tamDz97npJL6gOyfdzEff7SnqSqTsH
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe Set value (int) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" whvoat.exe -
Executes dropped EXE 1 IoCs
pid Process 1748 whvoat.exe -
Loads dropped DLL 2 IoCs
pid Process 1620 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe 1620 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /q" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /v" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /l" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /i" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /x" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /n" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /y" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /a" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /w" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /r" whvoat.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /m" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /g" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /p" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /e" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /b" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /u" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /z" whvoat.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /k" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /d" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /j" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /s" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /c" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /l" d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /f" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /t" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /h" whvoat.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\whvoat = "C:\\Users\\Admin\\whvoat.exe /o" whvoat.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 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum whvoat.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 whvoat.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 1620 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe 1748 whvoat.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1620 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe 1748 whvoat.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1620 wrote to memory of 1748 1620 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe 27 PID 1620 wrote to memory of 1748 1620 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe 27 PID 1620 wrote to memory of 1748 1620 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe 27 PID 1620 wrote to memory of 1748 1620 d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe"C:\Users\Admin\AppData\Local\Temp\d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\whvoat.exe"C:\Users\Admin\whvoat.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:1748
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
288KB
MD5d8ada6dbc8623b8831c8e05b3c77da2d
SHA1296f9733d0e39a160ed68bd0a1a3df370f4e21c0
SHA256d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab
SHA512545d46b9ff69c7a6d1a67ae9d53bec454cc26c71ff36d906c47d2f13ea016a89e4a1a7adf180b4fd09f977cb1abd0fdc9bc9e13d7921379d6cbcd00963d5fa8a
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Filesize
288KB
MD5d8ada6dbc8623b8831c8e05b3c77da2d
SHA1296f9733d0e39a160ed68bd0a1a3df370f4e21c0
SHA256d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab
SHA512545d46b9ff69c7a6d1a67ae9d53bec454cc26c71ff36d906c47d2f13ea016a89e4a1a7adf180b4fd09f977cb1abd0fdc9bc9e13d7921379d6cbcd00963d5fa8a
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Filesize
288KB
MD5d8ada6dbc8623b8831c8e05b3c77da2d
SHA1296f9733d0e39a160ed68bd0a1a3df370f4e21c0
SHA256d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab
SHA512545d46b9ff69c7a6d1a67ae9d53bec454cc26c71ff36d906c47d2f13ea016a89e4a1a7adf180b4fd09f977cb1abd0fdc9bc9e13d7921379d6cbcd00963d5fa8a
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Filesize
288KB
MD5d8ada6dbc8623b8831c8e05b3c77da2d
SHA1296f9733d0e39a160ed68bd0a1a3df370f4e21c0
SHA256d543696a578d1978d53e205cafba88a2ae4642a1e0adc9b9c2e501c5034f70ab
SHA512545d46b9ff69c7a6d1a67ae9d53bec454cc26c71ff36d906c47d2f13ea016a89e4a1a7adf180b4fd09f977cb1abd0fdc9bc9e13d7921379d6cbcd00963d5fa8a