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Analysis
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max time kernel
120s -
max time network
20s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
30/09/2024, 09:39
Behavioral task
behavioral1
Sample
b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe
Resource
win10v2004-20240802-en
General
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Target
b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe
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Size
53KB
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MD5
8b86c2a4e574351fc76dd3048902bb60
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SHA1
51ef262bede951fa5290bb9d897a6d71eea1771d
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SHA256
b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3c
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SHA512
5ed35c5041afe3b35df453f8207b92be5ce21caae12e8a2f59aa565ea713e511c4fc274b69498b055f2db3e25c27e295ec29adc1f3ff122cbfe7149e9263f37a
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9eEC:V7Zf/FAxTWoJJ7TUB
Malware Config
Signatures
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Renames multiple (3165) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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resource yara_rule behavioral1/memory/2916-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral1/files/0x000b0000000122cf-2.dat upx behavioral1/files/0x0002000000010485-6.dat upx behavioral1/memory/2916-70-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jre7\lib\classlist.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\Workflow.VisualBasic.Targets.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\UIAutomationClientsideProviders.resources.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\VideoLAN\VLC\locale\lv\LC_MESSAGES\vlc.mo.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-compat.xml.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-application-views_ja.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Mozilla Firefox\api-ms-win-crt-conio-l1-1-0.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationLeft_SelectionSubpicture.png.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\resources.pak.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\CST6.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.flightrecorder.ui_5.5.0.165303.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Management.Instrumentation.Resources.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-loaders_ja.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\7-Zip\Lang\ms.txt.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Internet Explorer\F12Resources.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench3_0.12.0.v20140227-2118.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winClassicHandle.png.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\META-INF\MANIFEST.MF.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\bin\gstreamer-lite.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Chicago.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench3.nl_ja_4.4.0.v20140623020002.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\UIAutomationProvider.resources.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\System.Speech.resources.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\mshwjpnr.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\pt-PT.pak.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyclient.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msadcfr.dll.mui.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\bin\plugin2\msvcr100.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Chihuahua.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jre7\lib\zi\Asia\Jerusalem.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Microsoft Games\SpiderSolitaire\ja-JP\SpiderSolitaire.exe.mui.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Hermosillo.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\olh.htm.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-jvmstat.xml.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\fr\System.Data.Services.resources.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\VideoLAN\VLC\lua\http\vlm.html.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\about.html.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.emf.common_2.10.1.v20140901-1043.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jre7\lib\zi\Atlantic\Faroe.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jre7\lib\zi\Europe\Malta.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\VideoLAN\VLC\plugins\codec\libaes3_plugin.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-6.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jre7\bin\jdwp.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jre7\bin\sunec.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\VideoLAN\VLC\lua\meta\art\02_frenchtv.luac.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jetty.io_8.1.14.v20131031.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-explorer.xml.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jre7\bin\prism-d3d.dll.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\ipsen.xml.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msadcfr.dll.mui.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Common Files\System\Ole DB\de-DE\oledb32r.dll.mui.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\203x8subpicture.png.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\CIEXYZ.pf.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-modules-core-kit.xml_hidden.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\curtains.png.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\sRGB.pf.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Noronha.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.ui.ja_5.5.0.165303.jar.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main.xml.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe File created C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe.tmp b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe"C:\Users\Admin\AppData\Local\Temp\b83fb9be40be918997c966e05d73792569ac0963701faef0659d97e935977b3cN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2916
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD5a44f58932c3e7134e37a8233e14ed032
SHA17a2fbdae40dd88495db238f66d032e7889ad0bcb
SHA256a51b7d6054e2d5fbe19213196b3645b09f7b87cf9ee60dfe62f797622dc10433
SHA512cea081cf0656d6dd022f8ecb920ca64f4c49f0f65fbf6e0cb68ede56c414a1248de44e6fcdd595ad08aa52e82912ec21f8a65a695243fcafa4646f266c904135
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Filesize
62KB
MD5258c23314d1c87ebb02b7a73aa1da561
SHA1bbd5b141ca9dabfe5fb8ca226e0668aab3953933
SHA25649d93fe466aff6f50309e398e10a440a64a4055d5cb9462e90aaaab27c51a2f0
SHA51231df00f6a4914e5dc93e249c3c19d3317b644ff8352079de2bc57ea627f9e932fd7d12e74ac38db0f362aaeae9a8a20a90deadd755fcc94844a051621aad4eae