Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
07-06-2024 19:08
Static task
static1
Behavioral task
behavioral1
Sample
VirusShare_e57af3c82f33302d9736c178410bce30.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
VirusShare_e57af3c82f33302d9736c178410bce30.exe
Resource
win10v2004-20240508-en
General
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Target
VirusShare_e57af3c82f33302d9736c178410bce30.exe
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Size
2.0MB
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MD5
e57af3c82f33302d9736c178410bce30
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SHA1
edd2f34ec0ea57edde129253790f70f5c0390bb0
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SHA256
607f1607762645b684f13cffccfbe4bc326f24707953dc0cfb80aff22def8df0
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SHA512
ef2f763b1349c23597bf16bcb6d03066b1d1f51eb59e61448d4955ac12d0d1e614428d4040285915021ad71aaadc202dcae97308a45cc20d339bcffd5a2d2c40
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SSDEEP
49152:3pVsby44mK/P4sFPfYQ1dNhq7LZw9PZOAIYZ4:Znmk9FIeDeZw9MAIe
Malware Config
Signatures
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Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
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Renames multiple (1997) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 1 IoCs
pid Process 1624 drpbx.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" VirusShare_e57af3c82f33302d9736c178410bce30.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Lang\hi.txt drpbx.exe File opened for modification C:\Program Files\Microsoft Office\Office14\1033\Mso Example Intl Setup File A.txt drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.widgets.nl_ja_4.4.0.v20140623020002.jar drpbx.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\dcommon\gifs\feedbck2.gif drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Hardcover.xml.kkk drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-ui_ja.jar.kkk drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-jvmstat.xml drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-heapdump_zh_CN.jar drpbx.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\dcommon\gifs\doclib.gif drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\en-US\js\localizedStrings.js drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-masterfs-nio2.xml.kkk drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Solutions\Document.gif.kkk drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-lib-profiler-common.xml drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-modules.xml.kkk drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-actions.xml.kkk drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationRight_SelectionSubpicture.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\gadget.xml drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\js\library.js drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-application-views.xml.kkk drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-sendopts.xml.kkk drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-options.xml.kkk drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_selectionsubpicture.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Push\pushplaysubpicture.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\bPrev.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\images\rss_headline_glow_floating.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\notification_plugin.jar.kkk drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\add_up.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.touchpoint.natives.nl_zh_4.4.0.v20140623020002.jar.kkk drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.osgi.services.nl_zh_4.4.0.v20140623020002.jar.kkk drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-awt.xml.kkk drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\PublicFunctions.js.kkk drpbx.exe File created C:\Program Files\7-Zip\Lang\eo.txt.kkk drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Perspective.xml drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\gadget.xml drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-loaders.jar.kkk drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-core-kit_zh_CN.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\javafx-doclet.jar drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_cloudy.png drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\plugin.xml.kkk drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveProjectToolset\ProjectTaskIcon.jpg drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\images\dial_lrg.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\es-ES\gadget.xml drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.xml_1.3.4.v201005080400.jar.kkk drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\en-US\js\settings.js drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveDocumentReview\MarkupIconImages.jpg drpbx.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\dcommon\gifs\masterix.gif drpbx.exe File created C:\Program Files\7-Zip\Lang\et.txt.kkk drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\20.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\29.png drpbx.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\br.gif drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-api-caching_ja.jar drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\btn-next-static.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\en-US\js\service.js drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\feature.xml drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-text.xml drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\tile_bezel.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\it-IT\js\settings.js drpbx.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\hwrcatlm.dat drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationRight_ButtonGraphic.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationRight_SelectionSubpicture.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\rings-dock.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\scrapbook.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\modern_dot.png drpbx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1948 wrote to memory of 1624 1948 VirusShare_e57af3c82f33302d9736c178410bce30.exe 28 PID 1948 wrote to memory of 1624 1948 VirusShare_e57af3c82f33302d9736c178410bce30.exe 28 PID 1948 wrote to memory of 1624 1948 VirusShare_e57af3c82f33302d9736c178410bce30.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\VirusShare_e57af3c82f33302d9736c178410bce30.exe"C:\Users\Admin\AppData\Local\Temp\VirusShare_e57af3c82f33302d9736c178410bce30.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\VirusShare_e57af3c82f33302d9736c178410bce30.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:1624
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
160B
MD5c55a44def54d2d4ad446279e2396fd53
SHA1f77e9719392509d2faadeb953d40a3810c100b83
SHA256257c16c6967bc37b43934987963025ef860d83c198a5a0dc380f72638d6b47f6
SHA512bd8f3b07592b9036ccd6778cf98e1604ee4e93f3273aed09869dd8ecd1a5c084bf2cadca3eb718c09bbc20487f19ad8848f8dc6e613b5b6155df741fd43a0c59
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Filesize
2.0MB
MD5e57af3c82f33302d9736c178410bce30
SHA1edd2f34ec0ea57edde129253790f70f5c0390bb0
SHA256607f1607762645b684f13cffccfbe4bc326f24707953dc0cfb80aff22def8df0
SHA512ef2f763b1349c23597bf16bcb6d03066b1d1f51eb59e61448d4955ac12d0d1e614428d4040285915021ad71aaadc202dcae97308a45cc20d339bcffd5a2d2c40
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Filesize
16B
MD5f676080bd90886ac2ecf680ac3162244
SHA130a721d56041472fcf0c255c3c05c89b76093101
SHA2566e658c85e1ac3f1599673a2374ad5e8fb94520fe68b3f6eefdf108c42acc6414
SHA512b654a04f020ca0ccb0e9f7ab964e0d6a998b15b02ec47cbcccfd1274b99fddeccdca688b1d39e3d82de28610624f8765b1f5ac52895072f7c4cdb824f1658960