Analysis
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max time kernel
150s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 00:20
Static task
static1
Behavioral task
behavioral1
Sample
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe
Resource
win10v2004-20220812-en
General
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Target
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe
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Size
228KB
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MD5
4324aa4659212879d36d7052e3d0eceb
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SHA1
56830b6ad0b5ad483b624bda5b734eccc42124a7
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SHA256
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995
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SHA512
69afec1e4beb08b0329b5360c84bd9fbd8ace91d5bffb35f3327416ee972928a424429c8d49309973d66e662a949a99081b3eedd343beeb8fc65c6de7989f99a
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SSDEEP
3072:OgZaPi5UYJVFV5eDQHsuvNA05Vqtto24VmcZMUuXi46qndrAxIbYpa:qO3JrLeDQHr+uV0to24VmlUuSvqdN
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
Processes:
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exeyoito.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yoito.exe -
Executes dropped EXE 1 IoCs
Processes:
yoito.exepid process 2044 yoito.exe -
Loads dropped DLL 2 IoCs
Processes:
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exepid process 1416 e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe 1416 e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe -
Adds Run key to start application 2 TTPs 55 IoCs
Processes:
yoito.exee76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /d" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /L" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /I" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /p" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /v" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /M" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /X" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /O" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /Z" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /x" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /y" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /S" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /z" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /D" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /i" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /R" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /b" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /K" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /V" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /G" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /e" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /u" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /F" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /c" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /g" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /h" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /Y" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /t" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /A" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /w" e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /w" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /k" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /s" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /Q" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /N" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /B" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /C" yoito.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /q" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /E" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /P" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /r" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /J" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /n" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /U" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /m" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /f" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /o" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /j" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /l" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /a" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /W" yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /H" yoito.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ yoito.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\yoito = "C:\\Users\\Admin\\yoito.exe /T" yoito.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
Processes:
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exeyoito.exepid process 1416 e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe 2044 yoito.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exeyoito.exepid process 1416 e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe 2044 yoito.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exedescription pid process target process PID 1416 wrote to memory of 2044 1416 e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe yoito.exe PID 1416 wrote to memory of 2044 1416 e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe yoito.exe PID 1416 wrote to memory of 2044 1416 e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe yoito.exe PID 1416 wrote to memory of 2044 1416 e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe yoito.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe"C:\Users\Admin\AppData\Local\Temp\e76df772a3b6365a6ce50b9f1082d5ff2852db9dea49d0ea505e984cff251995.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1416 -
C:\Users\Admin\yoito.exe"C:\Users\Admin\yoito.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:2044
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
228KB
MD5c83d7c5bd685dc4ec505355d86e5384d
SHA1c83bf673a61c441ae3032188ac94b9d93d6e6e60
SHA256a94da91195c7e395ff67fe564a63e29833bdf203d1855fcec998b7863eb708ac
SHA512896368ed60648a4e52d4f7564e3243aa2aed826493c770eba2258ad8ebfbd2fde5fa00ac60276baa4322929a8ebe302c4b125deb4e0f85ca9a4473377b473735
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Filesize
228KB
MD5c83d7c5bd685dc4ec505355d86e5384d
SHA1c83bf673a61c441ae3032188ac94b9d93d6e6e60
SHA256a94da91195c7e395ff67fe564a63e29833bdf203d1855fcec998b7863eb708ac
SHA512896368ed60648a4e52d4f7564e3243aa2aed826493c770eba2258ad8ebfbd2fde5fa00ac60276baa4322929a8ebe302c4b125deb4e0f85ca9a4473377b473735
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Filesize
228KB
MD5c83d7c5bd685dc4ec505355d86e5384d
SHA1c83bf673a61c441ae3032188ac94b9d93d6e6e60
SHA256a94da91195c7e395ff67fe564a63e29833bdf203d1855fcec998b7863eb708ac
SHA512896368ed60648a4e52d4f7564e3243aa2aed826493c770eba2258ad8ebfbd2fde5fa00ac60276baa4322929a8ebe302c4b125deb4e0f85ca9a4473377b473735
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Filesize
228KB
MD5c83d7c5bd685dc4ec505355d86e5384d
SHA1c83bf673a61c441ae3032188ac94b9d93d6e6e60
SHA256a94da91195c7e395ff67fe564a63e29833bdf203d1855fcec998b7863eb708ac
SHA512896368ed60648a4e52d4f7564e3243aa2aed826493c770eba2258ad8ebfbd2fde5fa00ac60276baa4322929a8ebe302c4b125deb4e0f85ca9a4473377b473735