jigsaw | e398c99bd0f61a4590594dc912e4d4ad23c306df6bd00274e2756d1a28f3ef80

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12-05-2024 03:18

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General

Target

37fa8fa315d60727ebce5fafa56690b8_JaffaCakes118.exe
Size

240KB
MD5

37fa8fa315d60727ebce5fafa56690b8
SHA1

599c28e16fda50ab1377e900678084ae28557090
SHA256

e398c99bd0f61a4590594dc912e4d4ad23c306df6bd00274e2756d1a28f3ef80
SHA512

cc900fb64eececdd030be5d6b79ef4213f128cae0f4314e77ced24df573d54a68350c2bcd3c5f448e4c640d336ef4888bc2b9a5a6fca1ba39668df4b43c50b09
SSDEEP

6144:6KprPZVxYg036R2eqHzs5oP+8fgsOznWqZajzCrY4Fi/f:HXxk3RHzsmP+agVznWqZa/Cr7AX

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
Renames multiple (1982) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 1 IoCs

pid	Process
2180	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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	37fa8fa315d60727ebce5fafa56690b8_JaffaCakes118.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\VideoLAN\VLC\AUTHORS.txt	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-awt.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-utilities.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\button_right_over.gif	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\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-api-caching_zh_CN.jar	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\Alphabet.xml	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\images\back_lrg.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\1.png	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\38.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-jmx.jar.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\AlertImage_MediumMAsk.bmp.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\decorative_rule.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-dialogs_zh_CN.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Windows Media Player\Media Renderer\DMR_120.jpg	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_image-frame-ImageMask.png	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\NavigationUp_ButtonGraphic.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\gadget.xml	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.util_1.0.500.v20130404-1337.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.views.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-heapdump.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationLeft_ButtonGraphic.png	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_frame-shadow.png	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-dayi.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.updatechecker.nl_ja_4.4.0.v20140623020002.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-lib-profiler-common_ja.jar	drpbx.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\plugins.dat.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Templates\1033\Training.potx	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\de-DE\gadget.xml	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-modules-appui_zh_CN.jar.fun	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\Windows Sidebar\Gadgets\Clock.Gadget\fr-FR\js\clock.js	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\144DPI\(144DPI)grayStateIcon.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\utilityfunctions.js.fun	drpbx.exe
File created	C:\Program Files\Java\jre7\lib\ext\localedata.jar.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Modern.dotx.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\button_mid.gif	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\drag.png	drpbx.exe
File created	C:\Program Files\Java\jre7\lib\security\US_export_policy.jar.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-waxing-crescent_partly-cloudy.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.repository.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\ja-JP\js\service.js	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-api-annotations-common.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-autoupdate-cli.jar	drpbx.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ipsjpn.xml	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\PreviousMenuButtonIcon.png	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\15x15dot.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\images\pause_hov.png	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.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.swt.win32.win32.x86_64.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\ja-JP\js\clock.js	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\bg_TexturedBlue.gif.fun	drpbx.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Thatch.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsMainToNotesBackground.wmv	drpbx.exe
File opened for modification	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\reveal_hov.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\STS2\background.gif	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-output2_ja.jar.fun	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\tile_bezel.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.transport.ecf.nl_ja_4.4.0.v20140623020002.jar.fun	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\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winXPBlue.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\local_policy.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.css.core.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.help.ui_4.0.100.v20140401-0608.jar	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 1196 wrote to memory of 2180	1196	37fa8fa315d60727ebce5fafa56690b8_JaffaCakes118.exe	28
PID 1196 wrote to memory of 2180	1196	37fa8fa315d60727ebce5fafa56690b8_JaffaCakes118.exe	28
PID 1196 wrote to memory of 2180	1196	37fa8fa315d60727ebce5fafa56690b8_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\37fa8fa315d60727ebce5fafa56690b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\37fa8fa315d60727ebce5fafa56690b8_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\37fa8fa315d60727ebce5fafa56690b8_JaffaCakes118.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2180

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

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Downloads

C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\invalid32x32.gif.fun

Filesize
160B

MD5
7bd31afefecc33ea1ce4d68e4747d075

SHA1
1f9a19ec5a29df36865ba77217914ed2700f8a43

SHA256
e2c4d17c1afed9177aa9b96a20769f55fa2402e3f7c0b794aa0afccbf25daba8

SHA512
c7a12dedc792ea8dc00910c43a2d4d52562098b6ef6fb20ef6d1a02f1c6a6cecef5cb38b053b292321f8aecaf0f5fe4724748e0d71ba0d0023153ef5c657fe30

Download Submit
C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe

Filesize
240KB

MD5
37fa8fa315d60727ebce5fafa56690b8

SHA1
599c28e16fda50ab1377e900678084ae28557090

SHA256
e398c99bd0f61a4590594dc912e4d4ad23c306df6bd00274e2756d1a28f3ef80

SHA512
cc900fb64eececdd030be5d6b79ef4213f128cae0f4314e77ced24df573d54a68350c2bcd3c5f448e4c640d336ef4888bc2b9a5a6fca1ba39668df4b43c50b09

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\container.dat.fun

Filesize
16B

MD5
bee170ea54aa2d72463f533de0c2fc71

SHA1
8eb53e2f1bbfe30326f8745d48ac2f94e85e5974

SHA256
9a8520991c071633598679cd3098f88c0789d3aa67e6114cec21033c2ab37960

SHA512
bcc05419a2f18209d57c27469ea524dade64c1fd984657fcbd2eed5368e18ea183b02323fae33f355115aeecb847e012b1d0b57cf8983751747e9ab0f8f59b4c

Download Submit
memory/1196-0-0x000007FEF552E000-0x000007FEF552F000-memory.dmp

Filesize
4KB

Download
memory/1196-7-0x000007FEF5270000-0x000007FEF5C0D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-8-0x000007FEF5270000-0x000007FEF5C0D000-memory.dmp

Filesize
9.6MB

Download
memory/2180-9-0x000007FEF5270000-0x000007FEF5C0D000-memory.dmp

Filesize
9.6MB

Download
memory/2180-871-0x000007FEF5270000-0x000007FEF5C0D000-memory.dmp

Filesize
9.6MB

Download
memory/2180-900-0x000007FEF5270000-0x000007FEF5C0D000-memory.dmp

Filesize
9.6MB

Download
memory/2180-1922-0x000007FEF5270000-0x000007FEF5C0D000-memory.dmp

Filesize
9.6MB

Download
memory/2180-2002-0x000007FEF5270000-0x000007FEF5C0D000-memory.dmp

Filesize
9.6MB

Download
memory/2180-2005-0x000007FEF5270000-0x000007FEF5C0D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads