Analysis
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max time kernel
143s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
08-10-2023 09:47
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20230915-en
General
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Target
tmp.exe
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Size
249KB
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MD5
33862bca1fe73d44277e9ad4f0aa81e1
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SHA1
e900bf9dc2ad2b18e362c8d42ae8e8ce74fb3ff1
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SHA256
053cec40ef1b8c148c4c1f798509e8b33e0f86f81555307b65e9fdffd670b9fa
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SHA512
08c0ef71dcab39f772abf17b2c714bc89fe2add6fa61f734ea04c05770ad93a68e5fd9caf73d740c3c17dce1ebb0563b0bd82b20fc6a7e508a778bccbbf8384c
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SSDEEP
6144:VFVg9EpWQxCKDgqLSV2hIq45K4O4xDL1UnhvHNJ7h0W93MPNdLM7G:/VgGD4KNWViIq4pOOPipHlzsQ7
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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Executes dropped EXE 1 IoCs
pid Process 2844 drpbx.exe -
Loads dropped DLL 1 IoCs
pid Process 664 tmp.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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resource yara_rule behavioral1/memory/664-0-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/files/0x0007000000015031-169.dat upx behavioral1/files/0x0007000000015031-167.dat upx behavioral1/files/0x0007000000015031-170.dat upx behavioral1/memory/2844-172-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2844-173-0x00000000004D0000-0x0000000000510000-memory.dmp upx behavioral1/memory/664-189-0x0000000000400000-0x0000000000454000-memory.dmp upx behavioral1/memory/2844-341-0x0000000000400000-0x0000000000454000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe" tmp.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.garbagecollector_1.0.200.v20131115-1210.jar.zemblax drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.simpleconfigurator.manipulator.nl_zh_4.4.0.v20140623020002.jar drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\js\library.js drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\fr-FR\js\settings.js drpbx.exe File created C:\Program Files\Java\jre7\THIRDPARTYLICENSEREADME-JAVAFX.txt.zemblax drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainToNotesBackground.wmv drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-masterfs_ja.jar drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Templates\1033\EssentialLetter.dotx.zemblax drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-sendopts.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.jetty.security_8.1.14.v20131031.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-uihandler.xml 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\html\dcommon\gifs\bookbig.gif.zemblax drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\sl.txt drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.batik.util_1.7.0.v201011041433.jar.zemblax drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\6.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\44.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.core.nl_zh_4.4.0.v20140623020002.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\lib\smtp.jar.zemblax drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-execution.xml.zemblax drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\SoftBlue\tab_on.gif drpbx.exe File created C:\Program Files\Java\jre7\lib\management-agent.jar.zemblax drpbx.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Adjacency.xml.zemblax 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\help.gif drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\gadget.xml drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-charts_ja.jar drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\CreateSpaceImageMask.bmp drpbx.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\XML Files\Messenger.xml drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\it-IT\gadget.xml drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\js\currency.js drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.core\cache\artifacts.xml.zemblax drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-explorer.xml.zemblax drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\mc.jar drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\blank.png drpbx.exe File opened for modification C:\Program Files (x86)\Internet Explorer\en-US\eula.rtf drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\shadowonlyframe_videoinset.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\calendar_single_bkg.png drpbx.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\images\graph_over.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\html\dcommon\gifs\bookicon.gif.zemblax drpbx.exe File opened for modification C:\Program Files\7-Zip\Lang\el.txt drpbx.exe File opened for modification C:\Program Files\Windows Media Player\Network Sharing\wmpnss_color32.bmp drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.renderers.swt.nl_ja_4.4.0.v20140623020002.jar drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\epl-v10.html.zemblax drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-attach_zh_CN.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_zh_CN.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.historicaldata_5.5.0.165303.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rcp.application_5.5.0.165303.jar drpbx.exe File created C:\Program Files\VideoLAN\VLC\lua\http\dialogs\equalizer_window.html.zemblax drpbx.exe File created C:\Program Files\VideoLAN\VLC\lua\http\dialogs\offset_window.html.zemblax drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\en-US\js\highDpiImageSwap.js drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-multiview_ja.jar drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\blackbars80.png drpbx.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\whitevignette1047.png drpbx.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\requests\status.xml drpbx.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-progress-ui.xml.zemblax drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\9.png drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.mbeanbrowser.zh_CN_5.5.0.165303.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\US_export_policy.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.lucene.core_3.5.0.v20120725-1805.jar drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-explorer_ja.jar drpbx.exe File created C:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-bg_highlight-soft_100_eeeeee_1x100.png.zemblax drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_hail.png drpbx.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-waning-gibbous_partly-cloudy.png drpbx.exe File created C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\Logo.png.zemblax drpbx.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.repository_2.3.0.v20131211-1531.jar drpbx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 664 tmp.exe Token: SeDebugPrivilege 2844 drpbx.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 664 wrote to memory of 2844 664 tmp.exe 28 PID 664 wrote to memory of 2844 664 tmp.exe 28 PID 664 wrote to memory of 2844 664 tmp.exe 28 PID 664 wrote to memory of 2844 664 tmp.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:664 -
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe"C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\tmp.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:2844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
160B
MD5000e8c41d4a15fb34d0be0dbb56e3778
SHA100c4eae64ee6239d7c65d819c6ce1ac329224f8c
SHA2568bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28
SHA512775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af
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C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\epl-v10.html.zemblax
Filesize12KB
MD5bd42ba47ff97fd7e395c90f79e0f9508
SHA1c2d8069ff6d72f3c63eeeac23933e5620f649d9d
SHA2563ad6f0a5c15cd3e24aa59e9687649e0d8d8b85789f3feef68e22b61a34a183e5
SHA5124eb6b58c46225f6e96bf41177892131384507cd8437e314426b797797c10960db52b84abd1fbf3cd845d1ed4bb8c67d2be3099a9ff5379a04d059b0557ef7fca
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C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html.zemblax
Filesize8KB
MD529c6678d44aa7966ae163d70dd9f3661
SHA104e2608b9497905befec2c9c74931cdd14c754e8
SHA256f7634f4769d57b1fd7ff257cafd60a0b309194e610202dfd26fc5113d0abf834
SHA512e80a6a0270d20e255f84ee6ef285b610b79731058f88272b8246e4f0c97222cebf2113d7ae70a1a145c0bec2a94fea5cb5abff0203a8be64c634a9b9b6a3b1b6
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Filesize
249KB
MD533862bca1fe73d44277e9ad4f0aa81e1
SHA1e900bf9dc2ad2b18e362c8d42ae8e8ce74fb3ff1
SHA256053cec40ef1b8c148c4c1f798509e8b33e0f86f81555307b65e9fdffd670b9fa
SHA51208c0ef71dcab39f772abf17b2c714bc89fe2add6fa61f734ea04c05770ad93a68e5fd9caf73d740c3c17dce1ebb0563b0bd82b20fc6a7e508a778bccbbf8384c
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Filesize
249KB
MD533862bca1fe73d44277e9ad4f0aa81e1
SHA1e900bf9dc2ad2b18e362c8d42ae8e8ce74fb3ff1
SHA256053cec40ef1b8c148c4c1f798509e8b33e0f86f81555307b65e9fdffd670b9fa
SHA51208c0ef71dcab39f772abf17b2c714bc89fe2add6fa61f734ea04c05770ad93a68e5fd9caf73d740c3c17dce1ebb0563b0bd82b20fc6a7e508a778bccbbf8384c
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Filesize
16B
MD5cfdae8214d34112dbee6587664059558
SHA1f649f45d08c46572a9a50476478ddaef7e964353
SHA25633088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325
SHA512c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3
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Filesize
249KB
MD533862bca1fe73d44277e9ad4f0aa81e1
SHA1e900bf9dc2ad2b18e362c8d42ae8e8ce74fb3ff1
SHA256053cec40ef1b8c148c4c1f798509e8b33e0f86f81555307b65e9fdffd670b9fa
SHA51208c0ef71dcab39f772abf17b2c714bc89fe2add6fa61f734ea04c05770ad93a68e5fd9caf73d740c3c17dce1ebb0563b0bd82b20fc6a7e508a778bccbbf8384c