Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
06-03-2022 02:26
Static task
static1
Behavioral task
behavioral1
Sample
af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe
Resource
win10v2004-en-20220112
windows10-2004_x64
0 signatures
0 seconds
General
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Target
af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe
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Size
120KB
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MD5
d06b3960bbb5b12b3b5827296d6551db
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SHA1
58c0a54b4c6dd1f616631ffd973a54ee77b50c55
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SHA256
af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b
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SHA512
e40bc6aab4fa50543f649879aa0ecd200a60e305057cf32671067377d0c027b869bcbbf28e02e408d9ec77f6ed058f6a70cf68849eda8cef67281d3717ee75f0
Score
10/10
Malware Config
Extracted
Path
C:\$Recycle.Bin\RyukReadMe.html
Family
ryuk
Ransom Note
[email protected]
balance of shadow universe
Ryuk
Emails
Signatures
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Ryuk
Ransomware distributed via existing botnets, often Trickbot or Emotet.
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Modifies file permissions 1 TTPs 2 IoCs
pid Process 1412 icacls.exe 1828 icacls.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Lang\he.txt af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\System\ado\msado21.tlb af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationRight_SelectionSubpicture.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-highlight.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\highlight.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsesp.xml af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\VSTO\vstoee100.tlb af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\es-ES\RyukReadMe.html af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\fr-FR\DVDMaker.exe.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Guatemala af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\TipRes.dll.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Johannesburg af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\mshwLatin.dll.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\EET af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols\ja-jp-sym.xml af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_VideoInset.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\layers.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\RyukReadMe.html af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\include\classfile_constants.h af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Costa_Rica af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Vancouver af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\7-Zip\Lang\ku.txt af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Title_select-highlight.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\ParentMenuButtonIconSubpict.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationLeft_ButtonGraphic.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\sunjce_provider.jar af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\dicjp.bin af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\IPSEventLogMsg.dll.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\ja-jp.xml af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\jsse.jar af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\psfontj2d.properties af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\US_export_policy.jar af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Chihuahua af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Gaza af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Amman af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\7-Zip\Lang\pl.txt af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\web\RyukReadMe.html af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Soft Blue.htm af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_VideoInset.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\huemainsubpicture2.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\1047x576black.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\reflect.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\1047x576black.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\1047x576black.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationUp_ButtonGraphic.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\RyukReadMe.html af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Kolkata af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Urumqi af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\mshwLatin.dll.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Common Files\System\ado\adojavas.inc af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\RyukReadMe.html af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\background.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\PreviousMenuButtonIconSubpi.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\RyukReadMe.html af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationLeft_ButtonGraphic.png af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Google\RyukReadMe.html af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Internet Explorer\en-US\jsdbgui.dll.mui af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\bin\setNetworkServerCP.bat af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Indiana\Indianapolis af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1708 msiexec.exe Token: SeTakeOwnershipPrivilege 1708 msiexec.exe Token: SeSecurityPrivilege 1708 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1660 wrote to memory of 1412 1660 af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe 29 PID 1660 wrote to memory of 1412 1660 af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe 29 PID 1660 wrote to memory of 1412 1660 af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe 29 PID 1660 wrote to memory of 1412 1660 af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe 29 PID 1660 wrote to memory of 1828 1660 af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe 30 PID 1660 wrote to memory of 1828 1660 af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe 30 PID 1660 wrote to memory of 1828 1660 af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe 30 PID 1660 wrote to memory of 1828 1660 af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe"C:\Users\Admin\AppData\Local\Temp\af5169631789347e6884a5402a945d7eac6d07784a79caf858ab59c8e2201e8b.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\*" /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:1412
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C:\Windows\SysWOW64\icacls.exeicacls "D:\*" /grant Everyone:F /T /C /Q2⤵
- Modifies file permissions
PID:1828
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1708