jigsaw | 5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037

General

Target

5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe
Size

676KB
MD5

c1ed709a4375516d25889357d0660f00
SHA1

3f16cd69f3772b9aa51ff2b528f95227e7caed6f
SHA256

5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037
SHA512

215cc02a53e3d0eff52f511c516fd5d87726926984e84cd18a7b35c3783792a0ee050e736f2c72bc28d42f1975bb6314d9f0f9e28766839db257c7c500c81ac0

Score

10^/10

jigsaw persistence ransomware spyware

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

Processes:

chrome.exe

pid process

4032 chrome.exe

pid	process
4032	chrome.exe

Modifies extensions of user files 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

chrome.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\AddBackup.tif.WNCRY	chrome.exe
File created	C:\Users\Admin\Pictures\ConnectRename.raw.WNCRY	chrome.exe
File created	C:\Users\Admin\Pictures\DisableRequest.raw.WNCRY	chrome.exe
File created	C:\Users\Admin\Pictures\ExitSkip.raw.WNCRY	chrome.exe

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\windows defender.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Wddf\\windows defender.exe"	5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe

Drops file in Program Files directory 15229 IoCs

Processes:

chrome.exe

description	ioc	process
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1702.301.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\VoiceRecorderWideTile.contrast-white_scale-125.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.ZuneMusic_10.16112.11621.0_neutral_resources.scale-200_8wekyb3d8bbwe\Assets\contrast-white\LargeLogo.scale-200_contrast-white.png	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\images\icons_retina.png.WNCRY	chrome.exe
File created	C:\Program Files\Microsoft Office\root\vreg\osmux.x-none.msi.16.x-none.vreg.dat.WNCRY	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-32_altform-colorize.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxAccountsLargeTile.scale-100.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\mt_16x11.png	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\HomeBanner-3x.png.WNCRY	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\it-it\ui-strings.js	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\3490_24x24x32.png	chrome.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-utilities_zh_CN.jar.WNCRY	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\spectrum_spinner.svg	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\sl-si\ui-strings.js.WNCRY	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\images\themeless\Playstore\it_get.svg	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\4613_20x20x32.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\7296_32x32x32.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\GenericMailMediumTile.scale-200.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarMediumTile.scale-100.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\lv_16x11.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\ContactPhoto.scale-180.png	chrome.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\uarrow.gif	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\MobileScanCard_Light.pdf.WNCRY	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\walk-through\images\themeless\S_ThumbDownOutline_22_N1.svg	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\fr-fr\ui-strings.js	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\LoadIconRTL_contrast-black.png	chrome.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.core.resources_3.9.1.v20140825-1431.jar.WNCRY	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\images\new_icons_retina.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Home\LargeTile.scale-100.png	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\da-dk\ui-strings.js.WNCRY	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-36_altform-unplated.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderWideTile.contrast-black_scale-100.png	chrome.exe
File created	C:\Program Files\Microsoft Office\root\rsod\powerview.x-none.msi.16.x-none.tree.dat.WNCRY	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\1249_20x20x32.png	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\win8-scrollbar\arrow-down-pressed.gif	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\plugin.js.WNCRY	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\de-de\ui-strings.js	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\1249_36x36x32.png	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\nb-no\ui-strings.js	chrome.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.equinox.p2.updatechecker.nl_ja_4.4.0.v20140623020002.jar.WNCRY	chrome.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-coredump.xml	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\large\sv_60x42.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\pk_16x11.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Arkadium.Win10.StarClub\Assets\star.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2017.125.40.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraWideTile.contrast-white_scale-200.png	chrome.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host-views_ja.jar.WNCRY	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\en-il\ui-strings.js	chrome.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\lib\jfr.jar	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxA-GoogleCloudCache-Light.scale-180.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.16112.11621.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-40_altform-unplated.png	chrome.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.ja_5.5.0.165303.jar	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\ga_16x11.png	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\@1x\[email protected]	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.14.2002.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubAppList.scale-200.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\ExchangeBadge.scale-125.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\OutlookMailMediumTile.scale-200.png	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\root\ui-strings.js.WNCRY	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarAppList.targetsize-32.png	chrome.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.emf.ecore_2.10.1.v20140901-1043.jar	chrome.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\ja-jp\ui-strings.js	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1702.333.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\StopwatchMedTile.scale-125.png	chrome.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\check_2x.png.WNCRY	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\Office365LogoWLockup.scale-180.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-64_altform-colorize.png	chrome.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteNotebookWideTile.scale-200.png	chrome.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe

description	pid	process	target process
PID 2868 wrote to memory of 4032	2868	5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe	chrome.exe
PID 2868 wrote to memory of 4032	2868	5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe	chrome.exe

C:\Users\Admin\AppData\Local\Temp\5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe
"C:\Users\Admin\AppData\Local\Temp\5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\chrme\chrome.exe
  "C:\Users\Admin\AppData\Local\chrme\chrome.exe" C:\Users\Admin\AppData\Local\Temp\5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037.exe
  2⤵
  - Executes dropped EXE
  - Modifies extensions of user files
  - Drops file in Program Files directory
  PID:4032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\chrme\chrome.exe

MD5
c1ed709a4375516d25889357d0660f00

SHA1
3f16cd69f3772b9aa51ff2b528f95227e7caed6f

SHA256
5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037

SHA512
215cc02a53e3d0eff52f511c516fd5d87726926984e84cd18a7b35c3783792a0ee050e736f2c72bc28d42f1975bb6314d9f0f9e28766839db257c7c500c81ac0

Download Submit
C:\Users\Admin\AppData\Local\chrme\chrome.exe

MD5
c1ed709a4375516d25889357d0660f00

SHA1
3f16cd69f3772b9aa51ff2b528f95227e7caed6f

SHA256
5cc851c0bce31e62a7c293c01117e5d80383b97ce97c040f2c08cfaa29380037

SHA512
215cc02a53e3d0eff52f511c516fd5d87726926984e84cd18a7b35c3783792a0ee050e736f2c72bc28d42f1975bb6314d9f0f9e28766839db257c7c500c81ac0

Download Submit
memory/2868-0-0x00007FFE304A0000-0x00007FFE30E40000-memory.dmp

Filesize
9.6MB

Download
memory/4032-1-0x0000000000000000-mapping.dmp

Download
memory/4032-4-0x00007FFE304A0000-0x00007FFE30E40000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads