ryuk | hxxps://bazaar[.]abuse[.]ch/sample/60ef0ca5e6e7d62a7750cfe1c0b08d473cb19a6817a799f035ac56e0d27ce3df/

Analysis

max time kernel
599s
max time network
637s
platform
windows7_x64
resource
win7v20210408
submitted
11/06/2021, 08:16

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General

Target

https://bazaar.abuse.ch/sample/60ef0ca5e6e7d62a7750cfe1c0b08d473cb19a6817a799f035ac56e0d27ce3df/
Sample

210611-7ve91pm4me

Score

10^/10

ryuk discovery persistence ransomware

Malware Config

Extracted

Path

C:\$Recycle.Bin\RyukReadMe.html

Family

ryuk

Ransom Note

contact balance of shadow universe Ryuk $password = '8x0nKKx5'; $torlink = 'http://rk2zzyh63g5avvii4irkhymha3irblchdfj7prk6zwy23f6kahidkpqd.onion'; function info(){alert("INSTRUCTION:\r\n1. Download tor browser.\r\n2. Open link through tor browser: " + $torlink + "\r\n3. Fill the form, your password: "+ $password +"\r\nWe will contact you shortly.\r\nAlways send files for test decryption.");};

URLs

http://rk2zzyh63g5avvii4irkhymha3irblchdfj7prk6zwy23f6kahidkpqd.onion

Signatures

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR\ = "{B41DB860-64E4-11D2-9906-E49FADC173CA}"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	uninstall.exe

Registers COM server for autorun 1 TTPs
persistence

Registry Run Keys / Startup Folder
T1060
Ryuk
Ransomware distributed via existing botnets, often Trickbot or Emotet.
ransomware ryuk

Executes dropped EXE 5 IoCs

pid	Process
2188	uninstall.exe
2940	th.exe
992	WinRAR.exe
832	WinRAR.exe
2452	RYUK_JUNE_2021.exe

Loads dropped DLL 12 IoCs

pid	Process
628	winrar-x64-601.exe
2188	uninstall.exe
2188	uninstall.exe
628	winrar-x64-601.exe
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1380	icacls.exe
2328	icacls.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\S:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\O:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\N:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\Z:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\R:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\K:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\G:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\V:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\X:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\U:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\T:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\Q:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\P:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\M:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\H:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\Y:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\E:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\L:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\J:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\I:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\F:	RYUK_JUNE_2021.exe
File opened (read-only)	\??\W:	RYUK_JUNE_2021.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationRight_SelectionSubpicture.png	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\title.htm	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.concurrent_1.1.0.v20130327-1442.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+12	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AMT\AUMProduct.cer	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0232795.WMF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\tipresx.dll.mui	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationUp_SelectionSubpicture.png	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\schema\triggerActionExceptionHandlers.exsd	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\WinRAR\WinCon.SFX	winrar-x64-601.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\2d.x3d	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD09194_.WMF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Asia\Dubai	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\extensions\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\intf\http.luac	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\Mac\CENTEURO.TXT	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\msadc\en-US\msadcfr.dll.mui	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.core_2.3.0.v20131211-1531.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-jvmstat_ja.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Europe\Monaco	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Reference Assemblies\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\dialogs\equalizer_window.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\VDKHome\VDK10.LIC	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0151581.WMF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02389_.WMF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0386120.JPG	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\fonts\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Atlantic\South_Georgia	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.beans.nl_zh_4.4.0.v20140623020002.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\mr\LC_MESSAGES\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Office.en-us\BRANDING.DLL	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Word.en-us\WordMUI.XML	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipskor.xml	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-swing-plaf_ja.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\Whitehorse	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jre7\README.txt	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Office.en-us\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0239967.WMF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_LOOP_BG_PAL.wmv	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\core\locale\com-sun-tools-visualvm-modules-startup_zh_CN.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\Asia\Thimphu	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\LAYERS\LAYERS.INF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0090027.WMF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02413_.WMF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.widgets_1.0.0.v20140514-1823.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.swt.nl_zh_4.4.0.v20140623020002.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\RyukReadMe.html	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN04385_.WMF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipscat.xml	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-highlight.png	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\specialoccasion.png	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Manaus	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.greychart.ui.ja_5.5.0.165303.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\SONORA\PREVIEW.GIF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\scene_button_style_default_Thumbnail.bmp	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.nl_ja_4.4.0.v20140623020002.jar	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-autoupdate-ui.xml	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files\Java\jre7\lib\zi\America\Barbados	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00172_.GIF	RYUK_JUNE_2021.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107718.WMF	RYUK_JUNE_2021.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2372	tasklist.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PhishingFilter	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = 10864b0aab5ed701	iexplore.exe

Modifies Internet Explorer settings 1 TTPs 64 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_IVIEWOBJECTDRAW_DMLT9_WITH_GDI \th.exe = "0"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000529101d5c9814b4eb0f580b37542e450000000000200000000001066000000010000200000009c094be830b5796381ea19fedf9e7dce8abc28fd83c55f3e52c159924ce4b8a9000000000e8000000002000020000000dc39d133091d4fac57ddb562ca637edbb7029eab0dfafca5a4f6ad5428923e9220000000e640782592b35d2f97b5dce7781eb1c02252b1644b1691579cd71d87ba915e92400000005759c1872c751f600fcbbdc258c9a5cc9d29ce43ae23a397ed64dc585168d323bc9740f8741708dd6853b8abca26332a41408b7953178fac59ed04d6e298f83f	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\WinRAR.exe = "11000"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SPELLCHECKING	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBSOCKET\th.exe = "1"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WINDOW_RESTRICTIONS	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_GPU_RENDERING	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_STATUS_BAR_THROTTLING\th.exe = "1"	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_STATUS_BAR_THROTTLING\WinRAR.exe = "1"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_NINPUT_LEGACYMODE	th.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c00000002000000030000000083ffff0083ffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "330171420"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_AJAX_CONNECTIONEVENTS\th.exe = "1"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_SCRIPTURL_MITIGATION	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBSOCKET	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_IVIEWOBJECTDRAW_DMLT9_WITH_GDI	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_VALIDATE_NAVIGATE_URL\th.exe = "1"	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ADDON_MANAGEMENT\WinRAR.exe = "0"	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_VALIDATE_NAVIGATE_URL\WinRAR.exe = "1"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_POPUPMANAGEMENT	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_DISABLE_NAVIGATION_SOUNDS\th.exe = "1"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WEBOC_DOCUMENT_ZOOM	th.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\DownloadWindowPlacement = 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_STATUS_BAR_THROTTLING	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ADDON_MANAGEMENT	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	winrar-x64-601.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_NINPUT_LEGACYMODE\WinRAR.exe = "0"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	winrar-x64-601.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_NINPUT_LEGACYMODE\th.exe = "0"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_GPU_RENDERING \WinRAR.exe = "1"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_VALIDATE_NAVIGATE_URL	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WINDOW_RESTRICTIONS\th.exe = "0"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\th.exe = "11000"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	th.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_AJAX_CONNECTIONEVENTS\WinRAR.exe = "1"	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	th.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_AJAX_CONNECTIONEVENTS	th.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Keyboard Layout\Preload	regedit.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Keyboard Layout\Preload\1 = "00000409"	regedit.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Keyboard Layout\Preload\2 = "00000419"	regedit.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r04	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r01	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r03	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.001\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\DefaultIcon\ = "C:\\Program Files\\WinRAR\\WinRAR.exe,1"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}\	uninstall.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.uu\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\DefaultIcon\ = "C:\\Program Files\\WinRAR\\WinRAR.exe,0"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\lnkfile\shellex\ContextMenuHandlers\WinRAR	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r07	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\	uninstall.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B41DB860-8EE4-11D2-9906-E49FADC173CA}\InProcServer32\ = "C:\\Program Files\\WinRAR\\rarext32.dll"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.r21\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r10	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.z\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.lz\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.uue	uninstall.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r06	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.001	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell\open\command	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.r16\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.r29\ = "WinRAR"	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\ShellEx\DragDropHandlers\WinRAR32\ = "{B41DB860-8EE4-11D2-9906-E49FADC173CA}"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\ContextMenuHandlers\WinRAR	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Folder\shellex\DragDropHandlers\WinRAR	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r21	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.zip\ShellNew	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.zipx\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\ContextMenuHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-8EE4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\ = "WinRAR ZIP archive"	uninstall.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\3\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "48"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.r01\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.uu	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV\shell	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\DropHandler	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B41DB860-64E4-11D2-9906-E49FADC173CA}\InProcServer32	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.bz	uninstall.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.ZIP\shellex\PropertySheetHandlers\{B41DB860-64E4-11D2-9906-E49FADC173CA}	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.r11\ = "WinRAR"	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r17	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR.REV	uninstall.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\1\0\MRUListEx = ffffffff	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\shellex\PropertySheetHandlers	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r14	uninstall.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.r26	uninstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinRAR\ = "WinRAR archive"	uninstall.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\2\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.r06\ = "WinRAR"	uninstall.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
464	NOTEPAD.EXE

Runs .reg file with regedit 1 IoCs

pid	Process
1004	regedit.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
996	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
980	chrome.exe
2464	chrome.exe
1264	chrome.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
980	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	tasklist.exe
Token: 33	1016	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1016	AUDIODG.EXE
Token: 33	1016	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1016	AUDIODG.EXE
Token: SeDebugPrivilege	980	taskmgr.exe
Token: SeShutdownPrivilege	980	taskmgr.exe
Token: SeShutdownPrivilege	980	taskmgr.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
2512	iexplore.exe
2512	iexplore.exe
992	WinRAR.exe
992	WinRAR.exe
992	WinRAR.exe
992	WinRAR.exe
832	WinRAR.exe
832	WinRAR.exe
832	WinRAR.exe
832	WinRAR.exe
832	WinRAR.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe
980	taskmgr.exe

Suspicious use of SetWindowsHookEx 18 IoCs

pid	Process
2512	iexplore.exe
2512	iexplore.exe
2888	IEXPLORE.EXE
2888	IEXPLORE.EXE
2888	IEXPLORE.EXE
2888	IEXPLORE.EXE
2888	IEXPLORE.EXE
2888	IEXPLORE.EXE
1576	winrar-x64-601.exe
1576	winrar-x64-601.exe
628	winrar-x64-601.exe
628	winrar-x64-601.exe
2940	th.exe
2940	th.exe
2940	th.exe
2940	th.exe
2888	IEXPLORE.EXE
2512	iexplore.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2888	2512	iexplore.exe	40
PID 2512 wrote to memory of 2888	2512	iexplore.exe	40
PID 2512 wrote to memory of 2888	2512	iexplore.exe	40
PID 2512 wrote to memory of 2888	2512	iexplore.exe	40
PID 292 wrote to memory of 1140	292	chrmstp.exe	48
PID 292 wrote to memory of 1140	292	chrmstp.exe	48
PID 292 wrote to memory of 1140	292	chrmstp.exe	48
PID 628 wrote to memory of 2188	628	winrar-x64-601.exe	106
PID 628 wrote to memory of 2188	628	winrar-x64-601.exe	106
PID 628 wrote to memory of 2188	628	winrar-x64-601.exe	106
PID 628 wrote to memory of 2940	628	winrar-x64-601.exe	107
PID 628 wrote to memory of 2940	628	winrar-x64-601.exe	107
PID 628 wrote to memory of 2940	628	winrar-x64-601.exe	107
PID 2940 wrote to memory of 2588	2940	th.exe	108
PID 2940 wrote to memory of 2588	2940	th.exe	108
PID 2940 wrote to memory of 2588	2940	th.exe	108
PID 2588 wrote to memory of 996	2588	cmd.exe	111
PID 2588 wrote to memory of 996	2588	cmd.exe	111
PID 2588 wrote to memory of 996	2588	cmd.exe	111
PID 2588 wrote to memory of 2372	2588	cmd.exe	112
PID 2588 wrote to memory of 2372	2588	cmd.exe	112
PID 2588 wrote to memory of 2372	2588	cmd.exe	112
PID 2588 wrote to memory of 1304	2588	cmd.exe	113
PID 2588 wrote to memory of 1304	2588	cmd.exe	113
PID 2588 wrote to memory of 1304	2588	cmd.exe	113
PID 2452 wrote to memory of 1380	2452	RYUK_JUNE_2021.exe	128
PID 2452 wrote to memory of 1380	2452	RYUK_JUNE_2021.exe	128
PID 2452 wrote to memory of 1380	2452	RYUK_JUNE_2021.exe	128
PID 2452 wrote to memory of 1380	2452	RYUK_JUNE_2021.exe	128
PID 2452 wrote to memory of 2328	2452	RYUK_JUNE_2021.exe	129
PID 2452 wrote to memory of 2328	2452	RYUK_JUNE_2021.exe	129
PID 2452 wrote to memory of 2328	2452	RYUK_JUNE_2021.exe	129
PID 2452 wrote to memory of 2328	2452	RYUK_JUNE_2021.exe	129

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" https://bazaar.abuse.ch/sample/60ef0ca5e6e7d62a7750cfe1c0b08d473cb19a6817a799f035ac56e0d27ce3df/
1⤵
- Modifies Internet Explorer Phishing Filter
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2512 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2888

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1888 /prefetch:8
1⤵
PID:2684

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=540 /prefetch:8
1⤵
PID:2676

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4816 /prefetch:1
1⤵
PID:2960

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2792 /prefetch:1
1⤵
PID:976

C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe
"C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe" --configure-user-settings --verbose-logging --system-level --channel --force-configure-user-settings
1⤵
- Suspicious use of WriteProcessMemory
PID:292
- C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe
  "C:\Program Files\Google\Chrome\Application\89.0.4389.114\Installer\chrmstp.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0x13c,0x140,0x144,0x110,0x148,0x13fa3a890,0x13fa3a8a0,0x13fa3a8b0
  2⤵
  PID:1140

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3948 /prefetch:1
1⤵
PID:1848

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1524 /prefetch:8
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:980

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4072 /prefetch:8
1⤵
PID:2868

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3856 /prefetch:8
1⤵
PID:1636

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3776 /prefetch:8
1⤵
PID:1632

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3780 /prefetch:8
1⤵
PID:1752

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3776 /prefetch:8
1⤵
PID:1976

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3788 /prefetch:8
1⤵
PID:320

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3832 /prefetch:8
1⤵
PID:832

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3860 /prefetch:8
1⤵
PID:1560

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:1604

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4104 /prefetch:8
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:2464

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4256 /prefetch:8
1⤵
PID:932

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3864 /prefetch:8
1⤵
PID:2388

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2452 /prefetch:8
1⤵
PID:2208

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2648 /prefetch:8
1⤵
PID:2172

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3788 /prefetch:8
1⤵
PID:1892

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3780 /prefetch:8
1⤵
PID:2012

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4268 /prefetch:8
1⤵
PID:2040

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4264 /prefetch:8
1⤵
PID:1972

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2156 /prefetch:8
1⤵
PID:2896

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2116 /prefetch:8
1⤵
PID:2964

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3316 /prefetch:8
1⤵
PID:2088

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3160 /prefetch:8
1⤵
PID:3008

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4076 /prefetch:8
1⤵
PID:3012

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3828 /prefetch:8
1⤵
PID:3000

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3904 /prefetch:8
1⤵
PID:2988

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=43 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5288 /prefetch:1
1⤵
PID:2868

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1524 /prefetch:8
1⤵
PID:2104

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3528 /prefetch:8
1⤵
PID:2164

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3656 /prefetch:8
1⤵
PID:832

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3940 /prefetch:8
1⤵
PID:2184

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3644 /prefetch:8
1⤵
PID:2404

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3844 /prefetch:8
1⤵
PID:2180

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2656 /prefetch:8
1⤵
PID:1084

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3640 /prefetch:8
1⤵
PID:2056

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\Russian_kb_reg.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:464

C:\Windows\regedit.exe
"regedit.exe" "C:\Users\Admin\Desktop\Russian_kb.reg"
1⤵
- Modifies data under HKEY_USERS
- Runs .reg file with regedit
PID:1004

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4684 /prefetch:8
1⤵
PID:2436

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=53 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2544 /prefetch:1
1⤵
PID:2080

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=54 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5152 /prefetch:1
1⤵
PID:2240

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=55 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1892 /prefetch:1
1⤵
PID:2704

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=3252 /prefetch:8
1⤵
PID:940

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=2208 /prefetch:8
1⤵
PID:2652

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3668 /prefetch:8
1⤵
- Suspicious behavior: EnumeratesProcesses
PID:1264

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=2552 /prefetch:8
1⤵
PID:3064

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5216 /prefetch:8
1⤵
PID:1628

C:\Users\Admin\Downloads\winrar-x64-601.exe
"C:\Users\Admin\Downloads\winrar-x64-601.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1576

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=61 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3764 /prefetch:1
1⤵
PID:2392

C:\Users\Admin\Downloads\winrar-x64-601.exe
"C:\Users\Admin\Downloads\winrar-x64-601.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:628
- C:\Program Files\WinRAR\uninstall.exe
  "C:\Program Files\WinRAR\uninstall.exe" /setup
  2⤵
  - Modifies system executable filetype association
  - Executes dropped EXE
  - Loads dropped DLL
  - Modifies registry class
  PID:2188
- C:\Program Files\WinRAR\th.exe
  "C:\Program Files\WinRAR\th.exe" -lng English -src wrr -lp thankyou -ver 601 -arch 64 -dom notifier.win-rar.com
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Windows\system32\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uninsep.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Windows\system32\PING.EXE
      ping -n 10 localhost
      4⤵
      Runs ping.exe
      PID:996
  - - C:\Windows\system32\tasklist.exe
      TaskList
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:2372
  - - C:\Windows\system32\find.exe
      Find "C:\Program Files\WinRAR\th.exe"
      4⤵
      PID:1304

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=62 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1012 /prefetch:1
1⤵
PID:2436

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=63 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4068 /prefetch:1
1⤵
PID:2052

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1688 /prefetch:8
1⤵
PID:2104

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1064,12628833329736241694,12663670754549899423,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2928 /prefetch:8
1⤵
PID:1752

C:\Program Files\WinRAR\WinRAR.exe
"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -imon1 -- "C:\Users\Admin\Desktop\PACO_60ef0ca5e6e7d62a7750cfe1c0b08d473cb19a6817a799f035ac56e0d27ce3df.zip" C:\Users\Admin\Desktop\PACO_60ef0ca5e6e7d62a7750cfe1c0b08d473cb19a6817a799f035ac56e0d27ce3df\
1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
PID:992

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x55c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1016

C:\Program Files\WinRAR\WinRAR.exe
"C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -imon1 -- "C:\Users\Admin\Desktop\PACO_60ef0ca5e6e7d62a7750cfe1c0b08d473cb19a6817a799f035ac56e0d27ce3df\60ef0ca5e6e7d62a7750cfe1c0b08d473cb19a6817a799f035ac56e0d27ce3df.zip" C:\Users\Admin\Desktop\PACO_60ef0ca5e6e7d62a7750cfe1c0b08d473cb19a6817a799f035ac56e0d27ce3df\
1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
PID:832

C:\Windows\System32\taskmgr.exe
"C:\Windows\System32\taskmgr.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:980

C:\Users\Admin\Desktop\RYUK_JUNE_2021.exe
"C:\Users\Admin\Desktop\RYUK_JUNE_2021.exe"
1⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\icacls.exe
  icacls "C:\*" /grant Everyone:F /T /C /Q
  2⤵
  - Modifies file permissions
  PID:1380
- C:\Windows\SysWOW64\icacls.exe
  icacls "D:\*" /grant Everyone:F /T /C /Q
  2⤵
  - Modifies file permissions
  PID:2328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/464-105-0x0000000001D50000-0x0000000001D51000-memory.dmp

Filesize
4KB

Download
memory/1004-107-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2452-166-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/2512-149-0x0000000002F10000-0x0000000002F11000-memory.dmp

Filesize
4KB

Download
memory/2512-62-0x000007FEFBD61000-0x000007FEFBD63000-memory.dmp

Filesize
8KB

Download
memory/2676-60-0x0000000077690000-0x0000000077691000-memory.dmp

Filesize
4KB

Download