jigsaw | 6f94e5747ba1aaa2bb666704ee65b37aac8aff47dbc321be2b607d47dd695e8f

Resubmissions

09/10/2023, 22:49

231009-2ry4hsba2610

06/03/2021, 22:23

210306-pfhc83235s10

05/06/2020, 02:52

200605-jqylqtyzss10

Analysis

max time kernel
128s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
09/10/2023, 22:49

Sharing

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General

Target
drpbx.exe
Size 125KB
Sample231009-2ry4hsba26
SHA256 6f94e5747ba1aaa2bb666704ee65b37aac8aff47dbc321be2b607d47dd695e8f
MD5 7fab69dcc9fbee7ca91bef27dc551f63
SHA1 fe272f074373e80e2a00144e0fcc4de6e68cf0e3
SHA512 ac87841efd28941ee4b13142602b6f91a43b29136236d78ccde1ba838d453c9d9de5ab94ced8eaddb426f1b569ee8a3f593fdae04f02984b7fc337bccd0b3ae8
SSDEEP 3072:Bm8Bpv9GzLhceojAPZRP9A8b5CsMy7+zHWRFegvX:zzreokh9Ao5CXjCR3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Signatures

Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
ransomware jigsaw

Executes dropped EXE 1 IoCs

pid	Process
2296	drpbx.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	drpbx.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-coredump_zh_CN.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.ja_5.5.0.165303.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.security_1.2.0.v20130424-1801.jar.Professeur	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.w3c.dom.smil_1.0.0.v200806040011.jar.Professeur	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\en-US\js\localizedStrings.js	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\Computers\computericonMask.bmp	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_FormsHomePageBlank.gif.Professeur	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\AlertImage_HighMask.bmp.Professeur	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\macroprogress.gif	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipssrb.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\Welcome.html	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_hu.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\images\calendar_ring_docked.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_few-showers.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-options-api.jar.Professeur	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-swing-tabcontrol.xml.Professeur	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Visualizer.zip	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.core.nl_ja_4.4.0.v20140623020002.jar.Professeur	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.forms.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.views_3.7.0.v20140408-0703.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.w3c.css.sac_1.3.1.v200903091627.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsVersion1Warning.htm	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-actions_ja.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\alt-rt.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-io-ui.xml.Professeur	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\SoftBlue\background.gif.Professeur	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.components.ui_5.5.0.165303.jar.Professeur	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-api.jar.Professeur	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-api-progress.xml.Professeur	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-application-views.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.publisher.eclipse.nl_zh_4.4.0.v20140623020002.jar.Professeur	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.webapp.nl_zh_4.4.0.v20140623020002.jar.Professeur	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.equinox.p2.core.feature_1.3.0.v20140523-0116\feature.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-threaddump_zh_CN.jar.Professeur	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-tools_zh_CN.jar	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\numbers\numbase.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.model.workbench.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.artifact.repository_1.1.300.v20131211-1531.jar.Professeur	drpbx.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\FrameworkList.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\it-IT\js\settings.js	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-openide-text.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.transport.ecf.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\rtf_alignleft.gif	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.Professeur	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\ta.txt.Professeur	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\button_right_mouseover.png	drpbx.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\win7Handle.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-sampler.xml	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\prodbig.gif	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\it.txt	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\btn-previous-static.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\ja-JP\gadget.xml	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\pause_rest.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.greychart.ui_5.5.0.165303.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-sampler_zh_CN.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\square.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_moon-waxing-gibbous.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.ql.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_FormsHomePage.gif	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-windows_zh_CN.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.components.ui.zh_CN_5.5.0.165303.jar.Professeur	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.touchpoint.eclipse.nl_ja_4.4.0.v20140623020002.jar.Professeur	drpbx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\ENU\AdobeID.pdf	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsBlankPage.html	drpbx.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2296	2244	drpbx.exe	28
PID 2244 wrote to memory of 2296	2244	drpbx.exe	28
PID 2244 wrote to memory of 2296	2244	drpbx.exe	28

C:\Users\Admin\AppData\Local\Temp\drpbx.exe
"C:\Users\Admin\AppData\Local\Temp\drpbx.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\drpbx.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

invalid32x32.gif.Professeur

Path C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\invalid32x32.gif.Professeur
Size 160B
SHA256 8bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28
MD5 000e8c41d4a15fb34d0be0dbb56e3778
SHA1 00c4eae64ee6239d7c65d819c6ce1ac329224f8c
SHA512 775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af
MD5 SHA1 SHA512

Submit Download

epl-v10.html.Professeur

Path 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.Professeur
Size 12KB
SHA256 3ad6f0a5c15cd3e24aa59e9687649e0d8d8b85789f3feef68e22b61a34a183e5
MD5 bd42ba47ff97fd7e395c90f79e0f9508
SHA1 c2d8069ff6d72f3c63eeeac23933e5620f649d9d
SHA512 4eb6b58c46225f6e96bf41177892131384507cd8437e314426b797797c10960db52b84abd1fbf3cd845d1ed4bb8c67d2be3099a9ff5379a04d059b0557ef7fca
SSDEEP 192:+JtuJhu7xbwI5X9girPVQwDu90jMaEXOh8YchDoDSQS4+RFFyD1fjnOFGVyK2/:+J+AxbwYbQwq904845oD6ZzGTOyyK6
MD5 SHA1 SHA512 SSDEEP

Submit Download

license.html.Professeur

Path C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html.Professeur
Size 8KB
SHA256 f7634f4769d57b1fd7ff257cafd60a0b309194e610202dfd26fc5113d0abf834
MD5 29c6678d44aa7966ae163d70dd9f3661
SHA1 04e2608b9497905befec2c9c74931cdd14c754e8
SHA512 e80a6a0270d20e255f84ee6ef285b610b79731058f88272b8246e4f0c97222cebf2113d7ae70a1a145c0bec2a94fea5cb5abff0203a8be64c634a9b9b6a3b1b6
SSDEEP 192:+TvbAxvsmDGKRNH8idw5YTXTvJBIXkoGqLw3QT15OFcEYtA:+PAdsmDGwcidVjhBIXkN32OFc9+
MD5 SHA1 SHA512 SSDEEP

Submit Download

drpbx.exe

Path C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
Size 125KB
SHA256 6f94e5747ba1aaa2bb666704ee65b37aac8aff47dbc321be2b607d47dd695e8f
MD5 7fab69dcc9fbee7ca91bef27dc551f63
SHA1 fe272f074373e80e2a00144e0fcc4de6e68cf0e3
SHA512 ac87841efd28941ee4b13142602b6f91a43b29136236d78ccde1ba838d453c9d9de5ab94ced8eaddb426f1b569ee8a3f593fdae04f02984b7fc337bccd0b3ae8
SSDEEP 3072:Bm8Bpv9GzLhceojAPZRP9A8b5CsMy7+zHWRFegvX:zzreokh9Ao5CXjCR3
MD5 SHA1 SHA512 SSDEEP

Submit Download

drpbx.exe

Path C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
Size 125KB
SHA256 6f94e5747ba1aaa2bb666704ee65b37aac8aff47dbc321be2b607d47dd695e8f
MD5 7fab69dcc9fbee7ca91bef27dc551f63
SHA1 fe272f074373e80e2a00144e0fcc4de6e68cf0e3
SHA512 ac87841efd28941ee4b13142602b6f91a43b29136236d78ccde1ba838d453c9d9de5ab94ced8eaddb426f1b569ee8a3f593fdae04f02984b7fc337bccd0b3ae8
SSDEEP 3072:Bm8Bpv9GzLhceojAPZRP9A8b5CsMy7+zHWRFegvX:zzreokh9Ao5CXjCR3
MD5 SHA1 SHA512 SSDEEP

Submit Download

container.dat.Professeur

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\container.dat.Professeur
Size 16B
SHA256 33088cb514406f31e3d96a92c03294121ee9f24e176f7062625c2b36bee7a325
MD5 cfdae8214d34112dbee6587664059558
SHA1 f649f45d08c46572a9a50476478ddaef7e964353
SHA512 c260f2c223ecbf233051ac1d6a1548ad188a2777085e9d43b02da41b291ff258e4c506f99636150847aa24918c7bbb703652fef2fe55b3f50f85b5bd8dd5f6e3
MD5 SHA1 SHA512

Submit Download

memory/2244-3-0x00000000003C0000-0x0000000000440000-memory.dmp

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memory/2244-0-0x0000000000480000-0x0000000000494000-memory.dmp

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memory/2244-4-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

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memory/2244-1-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

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memory/2244-2-0x00000000003C0000-0x0000000000440000-memory.dmp

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memory/2244-15-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

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memory/2296-12-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

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memory/2296-17-0x0000000000450000-0x00000000004D0000-memory.dmp

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memory/2296-16-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

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memory/2296-14-0x000007FEF5DA0000-0x000007FEF673D000-memory.dmp

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memory/2296-13-0x0000000000450000-0x00000000004D0000-memory.dmp

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memory/2296-11-0x0000000000410000-0x0000000000424000-memory.dmp

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memory/2296-2110-0x0000000000450000-0x00000000004D0000-memory.dmp

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memory/2296-2113-0x0000000000450000-0x00000000004D0000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads