Analysis
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max time kernel
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
05-03-2022 19:23
Static task
static1
Behavioral task
behavioral1
Sample
9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe
Resource
win10v2004-en-20220112
General
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Target
9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe
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Size
4.6MB
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MD5
3f1c123e7a80fef58cf0d2e55f5a74f2
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SHA1
4dbb92b7af113b25c4fc1c4ce75fd1e8800a82e0
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SHA256
9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326
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SHA512
1963b1aa61c6ce561d00f6db6221b7381e28fc02eb1237320e133aec6d5e0e13cc72151a9033026cf8269cd828ec7de3568f2e8f02509a75a93b8fb413917452
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\HOW TO RESTORE YOUR FILES.TXT
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 4 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ConvertToAssert.png => C:\Users\Admin\Pictures\ConvertToAssert.png.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Users\Admin\Pictures\ConvertToAssert.png.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File renamed C:\Users\Admin\Pictures\OpenGrant.crw => C:\Users\Admin\Pictures\OpenGrant.crw.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Users\Admin\Pictures\OpenGrant.crw.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HOW TO RESTORE YOUR FILES.TXT 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre7\lib\zi\America\Phoenix 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File created C:\Program Files (x86)\Adobe\Reader 9.0\Resource\SaslPrep\HOW TO RESTORE YOUR FILES.TXT 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0382948.JPG 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Solutions_Doc.css 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolIcons\messageboxinfo.ico.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\include\jdwpTransport.h.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\ResumeUse.potx 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-explorer_zh_CN.jar.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH01332U.BMP.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\MSPUB.DEV_K_COL.HXK.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\BrightOrange\background.gif.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\SpringGreen\BUTTON.GIF.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO01575_.WMF 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Essential.xml.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGWEBPQT.XML 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.widgets.nl_zh_4.4.0.v20140623020002.jar 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\META-INF\ECLIPSE_.RSA 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Europe\Zurich.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD14710_.GIF 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_pt_BR.jar 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-lib-profiler-ui.xml 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\ROAD_01.MID.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\BabyBlue.css 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Scoresbysund.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winXPTSFrame.png.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\SystemV\AST4 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD10263_.GIF.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.servlet_3.0.0.v201112011016.jar.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\America\Matamoros 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Font\ZX______.PFB 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Executive.thmx.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0151055.WMF 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PAPER_01.MID 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\NotifierBackground.jpg.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\89.0.4389.114.manifest.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Google\Chrome\Application\89.0.4389.114\default_apps\youtube.crx 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-annotations-common_zh_CN.jar.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107132.WMF 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui_5.5.0.165303.jar.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00037_.GIF.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PE04050_.WMF.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\7-Zip\Lang\cs.txt 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\Americana\TAB_ON.GIF 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Oasis\TAB_ON.GIF.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\Access\Faculty.accdt.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Creston.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02028K.JPG.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\OUTLOOK_COL.HXC.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL026.XML.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\ACCESS12.ACC 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\US_export_policy.jar.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\JAVA_01.MID.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BS00186_.WMF 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\Sounds\People\SNEEZE.WAV.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\AboutBox.zip 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Pacific\Bougainville 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA01357_.WMF 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\MSPUB_F_COL.HXK 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\7-Zip\Lang\sq.txt.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.net.win32.x86_64.nl_zh_4.4.0.v20140623020002.jar.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\CERT.XML 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.base_4.0.200.v20141007-2301.jar.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\America\Indiana\Knox.yulnedxmo 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe -
Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
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Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1804 vssadmin.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 452 vssvc.exe Token: SeRestorePrivilege 452 vssvc.exe Token: SeAuditPrivilege 452 vssvc.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1716 wrote to memory of 584 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 27 PID 1716 wrote to memory of 584 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 27 PID 1716 wrote to memory of 584 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 27 PID 584 wrote to memory of 428 584 cmd.exe 29 PID 584 wrote to memory of 428 584 cmd.exe 29 PID 584 wrote to memory of 428 584 cmd.exe 29 PID 584 wrote to memory of 872 584 cmd.exe 30 PID 584 wrote to memory of 872 584 cmd.exe 30 PID 584 wrote to memory of 872 584 cmd.exe 30 PID 1716 wrote to memory of 868 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 31 PID 1716 wrote to memory of 868 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 31 PID 1716 wrote to memory of 868 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 31 PID 1716 wrote to memory of 1500 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 36 PID 1716 wrote to memory of 1500 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 36 PID 1716 wrote to memory of 1500 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 36 PID 1500 wrote to memory of 1804 1500 cmd.exe 38 PID 1500 wrote to memory of 1804 1500 cmd.exe 38 PID 1500 wrote to memory of 1804 1500 cmd.exe 38 PID 1716 wrote to memory of 672 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 41 PID 1716 wrote to memory of 672 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 41 PID 1716 wrote to memory of 672 1716 9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe"C:\Users\Admin\AppData\Local\Temp\9a18e445b1dc26e179e43bcc64a8c4580a300fe0ddfa02a1abb9d6380ce96326.exe"1⤵
- Modifies extensions of user files
- Drops startup file
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1716 -
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\pdguisihvuhmgao.bat2⤵
- Suspicious use of WriteProcessMemory
PID:584 -
C:\Windows\system32\sc.exeSC QUERY3⤵PID:428
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C:\Windows\system32\findstr.exeFINDSTR SERVICE_NAME3⤵PID:872
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ayobagmisjdumelfba.bat2⤵PID:868
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\kxwctduqgwlxegrle.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:1804
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ptwprtmcsdh.bat2⤵PID:672
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:452