Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2023 22:48
Static task
static1
Behavioral task
behavioral1
Sample
jigsaw.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
jigsaw.exe
Resource
win10-20230915-en
Behavioral task
behavioral3
Sample
jigsaw.exe
Resource
win10v2004-20230915-en
General
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Target
jigsaw.exe
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Size
283KB
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MD5
2773e3dc59472296cb0024ba7715a64e
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SHA1
27d99fbca067f478bb91cdbcb92f13a828b00859
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SHA256
3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
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SHA512
6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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SSDEEP
6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation jigsaw.exe -
Executes dropped EXE 1 IoCs
pid Process 464 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-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" jigsaw.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Square150x150Logo.scale-400.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SplashScreen.scale-125.png drpbx.exe File created C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\Office.Runtime.js.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-36_contrast-white.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\be-BY\View3d\3DViewerProductDescription-universal.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\zh-TW\View3d\3DViewerProductDescription-universal.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\TrafficHub\contrast-black\WideTile.scale-200.png drpbx.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] drpbx.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\duplicate.svg.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-125.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteSectionLargeTile.scale-125.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-96.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-white\LargeTile.scale-125_contrast-white.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarAppList.targetsize-36_altform-unplated.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarSmallTile.scale-200.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-application-views.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-80_altform-unplated.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedLargeTile.scale-100.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\IC_WelcomeBanner.scale-100.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubMedTile.scale-100.png drpbx.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.fun drpbx.exe File created C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\update_tracking\org-netbeans-modules-masterfs.xml.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Square44x44Logo.targetsize-256.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\ErrorDot.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-white\MixedRealityPortalMedTile.scale-100_contrast-white.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\EmptyCalendarSearch.scale-400.png drpbx.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Adobe\zdingbat.txt.fun drpbx.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color48.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\bg6_thumb.png drpbx.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-80.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\OutlookMailBadge.scale-150.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-36_altform-lightunplated.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-24.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-80_altform-unplated_contrast-white.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.targetsize-60_altform-unplated_contrast-white.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-black\Movie-TVStoreLogo.scale-100_contrast-black.png drpbx.exe File created C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\org-openide-loaders.jar.fun drpbx.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\CancelGlyph.16.White.png.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-black\SmallTile.scale-125.png drpbx.exe File created C:\Program Files\7-Zip\Lang\uk.txt.fun drpbx.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\proof.en-us.msi.16.en-us.tree.dat drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\MixedRealityPortalAppList.targetsize-72_altform-unplated.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\telemetryrules\hxcalendarappimm.exe_Rules.xml drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-black\SplashScreen.scale-100_contrast-black.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-black\BadgeLogo.scale-100_contrast-black.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraSmallTile.contrast-white_scale-100.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\SplashScreen.scale-200.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\locale\org-netbeans-core_visualvm.jar drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosLogoExtensions.targetsize-48.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-black\BadgeLogo.scale-100_contrast-black.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-40_altform-unplated_contrast-white.png drpbx.exe File created C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.ja_5.5.0.165303.jar.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\Weather_TileSmallSquare.scale-200.png drpbx.exe File created C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\update_tracking\org-openide-windows.xml.fun drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-40_contrast-black.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Win10\cardflipped.dat drpbx.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\lib\ext\nashorn.jar drpbx.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-Generic-Light.scale-125.png drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.Advertising\ormma.js drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Win10\MicrosoftSolitaireAppList.targetsize-256_altform-unplated_devicefamily-colorfulunplated.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\VERSION.txt drpbx.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Videos\SmartSelect\Magic_Select_add_tool.mp4 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 2 IoCs
description pid Process procid_target PID 2324 wrote to memory of 464 2324 jigsaw.exe 85 PID 2324 wrote to memory of 464 2324 jigsaw.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\jigsaw.exe"C:\Users\Admin\AppData\Local\Temp\jigsaw.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2324 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\jigsaw.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:464
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_US_POSIX.txt.fun
Filesize32KB
MD5829165ca0fd145de3c2c8051b321734f
SHA1f5cc3af85ab27c3ea2c2f7cbb8295b28a76a459e
SHA256a193ee2673e0ba5ebc5ea6e65665b8a28bd7611f06d2b0174ec2076e22d94356
SHA5127d380cda12b342a770def9d4e9c078c97874f3a30cd9f531355e3744a8fef2308f79878ffeb12ce26953325cb6a17bc7e54237dfdc2ee72b140ec295676adbcb
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Filesize
160B
MD5580ee0344b7da2786da6a433a1e84893
SHA160f8c4dd5457e9834f5402cb326b1a2d3ca0ba7e
SHA25698b6c2ddfefc628d03ceaef9d69688674a6bc32eb707f9ed86bc8c75675c4513
SHA512356d2cdea3321e894b5b46ad1ea24c0e3c8be8e3c454b5bd300b7340cbb454e71fc89ca09ea0785b373b483e67c2f6f6bb408e489b0de4ff82d5ed69a75613ba
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Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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Filesize
283KB
MD52773e3dc59472296cb0024ba7715a64e
SHA127d99fbca067f478bb91cdbcb92f13a828b00859
SHA2563ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
SHA5126ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
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Filesize
16B
MD58ebcc5ca5ac09a09376801ecdd6f3792
SHA181187142b138e0245d5d0bc511f7c46c30df3e14
SHA256619e246fc0ac11320ff9e322a979948d949494b0c18217f4d794e1b398818880
SHA512cec50bfc6ad2f57f16da99459f40f2d424c6d5691685fa1053284f46c8c8c8a975d7bcb1f3521c4f3fbdc310cf4714e29404aa23be6021e2e267c97b090dc650
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C:\Users\Admin\AppData\Local\Packages\Microsoft.AccountsControl_cw5n1h2txyewy\Settings\settings.dat.fun
Filesize8KB
MD5f22599af9343cac74a6c5412104d748c
SHA1e2ac4c57fa38f9d99f3d38c2f6582b4334331df5
SHA25636537e56d60910ab6aa548e64ca4adafdcabde9d60739013993e12ba061dfd65
SHA5125c8afc025e1d8342d93b7842dc7ef22eca61085857a80a08ba9b3f156ee3b814606bb32bc244bd525a7913e7915bdf3a86771d39577f4a1176ade04dc381c6d4
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C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133392319171282739.txt.fun
Filesize77KB
MD5d997633d0b3ec96704d5cf43d376a5c0
SHA1273ca304e7dcb220fba060fc5f86249a85c6277e
SHA25630ec7d89d2a5a895638cf2d4c5b3b64e722c1b243a0d7be2ae6564c43eed0af0
SHA5126cb67b520f4d558cbfde508fec4ddfda36d55ae8dacd2b8680d142ca038ff0afa109dd6d6ee7dba4f3fa7b614534baebf740165de9b789a83e8724c2c9a64728
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C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133392323805994175.txt.fun
Filesize47KB
MD53bbad2d39db5d82040a725ee4f32e2b4
SHA13efd65ea5c01c135de7f5db12f2e22ab99841ad3
SHA2562ca2d3ca524b1f82e2fb0d1f0463d2503b38ddcf73112b68e11eed7abd3234de
SHA512deaef7a1786494915a7321b861d4fe9090ae2ddf7f2ac20a8c09bece204a7696e1de36818913732e6bd6d31a4785a5401d39fbba138ed814570a5178033d3a35
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C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133392330282033677.txt.fun
Filesize65KB
MD557de61933735ed242ea124a3b3ae05d1
SHA117b96da6dafefa25215bf06b42fa1f47eb47726d
SHA256f97d46c926295d9d96390942136726d6fae4c8a75af24ecbb1eb6601c8b06b08
SHA512ca7f153eb2168a09ce2cdd6500a88cef62b7d25ab44e76aa9b0c62cfeef75e0cf8f5b85d8bf749d3a9a63ebad39ba5a3581d6689c210f2e4017793e4de474ef5
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C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133392365261177427.txt.fun
Filesize75KB
MD502226a2aae89dcc43d00ba6ce31c8582
SHA199589baa0e0e61f3047fad5001cb0456e08c2c68
SHA256119612277ce4eae07e37d4b35b92125ed1338f478b581e7e6e59ccdaa010509c
SHA512dc64c8a0872e613295a760e4b1c81dae051e473f2346e6f5de037a2592a38e1dd2b469309cc61180ff4c8b01a08d7ac2f268883a694ed2d108aa9ee17aa05f06