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Analysis
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max time kernel
150s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 17:40
Static task
static1
Behavioral task
behavioral1
Sample
2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe
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Size
172KB
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MD5
8249adc0d680875a349f1eb51bfc9cf7
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SHA1
900777ef9a6f0a9c6d01514d103f1873157e83ab
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SHA256
2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a
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SHA512
0fd9a1afc30dd4883f26e5dc4d66dfd9807773ecd738a2175ae4183b5fe21ac94f2a5beb7d410b94b8f3ca7f8be634f932681f19f39d46387e747ad42e5c5baf
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SSDEEP
3072:eyAblB5QqiwcCA0laletdpVinzswyAQjh/gSF3Ef3ykQozVVC4:UIqtc30l+2yzswyAQjh/gSF3Ef3ykQod
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yaukue.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe -
Executes dropped EXE 1 IoCs
pid Process 800 yaukue.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe -
Adds Run key to start application 2 TTPs 55 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /J" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /b" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /w" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /y" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /c" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /g" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /z" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /q" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /e" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /I" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /O" yaukue.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /r" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /P" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /W" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /F" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /m" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /V" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /n" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /A" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /Q" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /s" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /R" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /C" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /M" yaukue.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /F" 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /Y" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /x" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /d" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /N" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /a" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /Z" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /E" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /h" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /k" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /L" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /K" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /D" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /B" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /i" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /l" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /v" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /f" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /U" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /H" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /S" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /X" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /G" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /j" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /t" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /T" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /o" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /u" yaukue.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yaukue = "C:\\Users\\Admin\\yaukue.exe /p" yaukue.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 1316 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe 1316 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe 800 yaukue.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1316 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe 800 yaukue.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1316 wrote to memory of 800 1316 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe 81 PID 1316 wrote to memory of 800 1316 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe 81 PID 1316 wrote to memory of 800 1316 2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.exe"C:\Users\Admin\AppData\Local\Temp\2b867cd2b513dfc337407eae75c3ff46c5d7ab221b841f2e4cf2fa788715a30a.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:1316 -
C:\Users\Admin\yaukue.exe"C:\Users\Admin\yaukue.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:800
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
172KB
MD5f0f56f1062ab0da2163793f21e741aab
SHA10a7fb056330baf6502ad72b8685c896614ca0011
SHA256652c1f2e3bc98c8726feb0e0397c83b0cca9763e521682ccac1a62aac69be4ab
SHA512ae55418b652abbdcbaf771347bdff43c33e82e2faac6214a29ac30345bdffb41c486ab35591f90b1c76445122e43d3f710c33388974db9a2b3fabc4a09d58736
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Filesize
172KB
MD5f0f56f1062ab0da2163793f21e741aab
SHA10a7fb056330baf6502ad72b8685c896614ca0011
SHA256652c1f2e3bc98c8726feb0e0397c83b0cca9763e521682ccac1a62aac69be4ab
SHA512ae55418b652abbdcbaf771347bdff43c33e82e2faac6214a29ac30345bdffb41c486ab35591f90b1c76445122e43d3f710c33388974db9a2b3fabc4a09d58736