jigsaw | 9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7

Resubmissions

09-10-2023 22:48

231009-2rf8psgh7z 10

28-12-2022 09:22

221228-lb667aaa78 10

Analysis

max time kernel
150s
max time network
148s
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

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General

Target

HEUR-Trojan.Win32.Generic-9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7.exe
Size

421KB
MD5

1ff8649e8f8d0652d583b9a648161d3f
SHA1

3441ff983221742ed460f8310e49203b5dc59a15
SHA256

9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7
SHA512

ff67f2584c3646506ad346bac71676e6dd3923e14136e31613cc4bc6a67fe221e4520c034b7ce8c64a4cf2d5ac18e9c083e5e1a630c211cc29ff78d7685a226d
SSDEEP

12288:2w1pOfl/oUzs8vwfzNquSgkE9tSF/aXx:3po/oUNwfpqVrktOc

Score

10^/10

jigsaw persistence ransomware

Malware Config

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	HEUR-Trojan.Win32.Generic-9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7.exe

Executes dropped EXE 1 IoCs

pid	Process
4088	drpbx.exe

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-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	HEUR-Trojan.Win32.Generic-9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageSmallTile.scale-100_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.targetsize-96.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-30_altform-fullcolor.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-40.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\LinkedInboxBadge.scale-400.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\StoreLogo.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-black\BadgeLogo.scale-200_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailAppList.scale-125.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.8.0_66\THIRDPARTYLICENSEREADME-JAVAFX.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\Doughboy.scale-250.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.ecf.provider.filetransfer.httpclient4_1.0.800.v20140827-1444.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\Java\jre1.8.0_66\lib\management-agent.jar	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-64_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\HxCalendarAppList.scale-400.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsMedTile.scale-100.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\update_tracking\org-netbeans-modules-autoupdate-ui.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\Timer3Sec.targetsize-64.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\GetStartedMedTile.scale-200_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\Office365LogoWLockup.scale-100.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-black\LargeTile.scale-150_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.e4.ui.bindings.nl_zh_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.equinox.security_1.2.0.v20130424-1801.jar	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\MapsStoreLogo.scale-100.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\update_tracking\org-netbeans-api-search.xml	drpbx.exe
File created	C:\Program Files\Java\jre1.8.0_66\README.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Yahoo-Light.scale-125.png	drpbx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\AccessRuntime2019_eula.txt	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_2019.19071.12548.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\PhotosSmallTile.contrast-black_scale-100.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.jface.nl_ja_4.4.0.v20140623020002.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\images\PaySquare44x44Logo.targetsize-24_altform-unplated.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-200_8wekyb3d8bbwe\Win10\MicrosoftSolitaireWideTile.scale-200.jpg	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.e4.ui.workbench.nl_ja_4.4.0.v20140623020002.jar	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Logos\StoreLogo\PaintApplist.scale-400.png	drpbx.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\MLModels\autofill_labeling_features.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\WideTile.scale-150.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.contrast-black_targetsize-48.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-20.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxA-Yahoo-Light.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\LinkedInboxWideTile.scale-100.png	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\hy.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarSplashLogo.scale-300.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\Assets\contrast-white\MedTile.scale-150_contrast-white.png	drpbx.exe
File created	C:\Program Files\Microsoft Office\root\rsod\powerview.x-none.msi.16.x-none.boot.tree.dat.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-80.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\OutlookMailWideTile.scale-200.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.osgi.services.nl_ja_4.4.0.v20140623020002.jar.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\SplashScreen.scale-100.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\IDPValueAssets\PCMobileValueProp.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Images\PrintAndShare\Glyph_0xecd2.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-96.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\GameBar_SplashScreen.scale-100.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteMediumTile.scale-150.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarAppList.targetsize-72.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\LinkedInboxBadge.scale-400.png	drpbx.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.zh_CN_5.5.0.165303.jar	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\bg6.jpg	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\StopwatchWideTile.contrast-black_scale-125.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-64_altform-unplated_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailWideTile.scale-150.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Sounds\SpeedLimitViolationAlert.wav	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\Assets\AppTiles\AppIcon.targetsize-20_altform-lightunplated.png	drpbx.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.equinox.p2.extensionlocation_1.2.100.v20131119-0908.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_BadgeLogo.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-40_altform-unplated_contrast-white.png	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 2 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 4088	2060	HEUR-Trojan.Win32.Generic-9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7.exe	85
PID 2060 wrote to memory of 4088	2060	HEUR-Trojan.Win32.Generic-9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7.exe	85

C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.Win32.Generic-9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7.exe
"C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.Win32.Generic-9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan.Win32.Generic-9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:4088

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

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Java\jdk1.8.0_66\jre\lib\images\cursors\invalid32x32.gif.fun

Filesize
160B

MD5
000e8c41d4a15fb34d0be0dbb56e3778

SHA1
00c4eae64ee6239d7c65d819c6ce1ac329224f8c

SHA256
8bdfa6a5b7de345cf0d4fe0e9c17d8b0e9db26d58b05b1b2ebbb3a05a068ff28

SHA512
775d832eb8ab73e4a93789917dca69edb6c91fbb426e02acf7c6e213ffb4575776187209d1c471fbf57c4621ea3c23d9850f6dfc2770d62c17de9d66710800af

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

Filesize
421KB

MD5
1ff8649e8f8d0652d583b9a648161d3f

SHA1
3441ff983221742ed460f8310e49203b5dc59a15

SHA256
9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7

SHA512
ff67f2584c3646506ad346bac71676e6dd3923e14136e31613cc4bc6a67fe221e4520c034b7ce8c64a4cf2d5ac18e9c083e5e1a630c211cc29ff78d7685a226d

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

Filesize
421KB

MD5
1ff8649e8f8d0652d583b9a648161d3f

SHA1
3441ff983221742ed460f8310e49203b5dc59a15

SHA256
9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7

SHA512
ff67f2584c3646506ad346bac71676e6dd3923e14136e31613cc4bc6a67fe221e4520c034b7ce8c64a4cf2d5ac18e9c083e5e1a630c211cc29ff78d7685a226d

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

Filesize
421KB

MD5
1ff8649e8f8d0652d583b9a648161d3f

SHA1
3441ff983221742ed460f8310e49203b5dc59a15

SHA256
9f3c538a1118f82d49a993967c520be4c7f14ad994eb17c4d778e5d7f32241a7

SHA512
ff67f2584c3646506ad346bac71676e6dd3923e14136e31613cc4bc6a67fe221e4520c034b7ce8c64a4cf2d5ac18e9c083e5e1a630c211cc29ff78d7685a226d

Download Submit
memory/2060-1-0x000000001BC60000-0x000000001C12E000-memory.dmp

Filesize
4.8MB

Download
memory/2060-2-0x000000001C130000-0x000000001C1CC000-memory.dmp

Filesize
624KB

Download
memory/2060-5-0x00007FFAD65F0000-0x00007FFAD6F91000-memory.dmp

Filesize
9.6MB

Download
memory/2060-6-0x0000000000F70000-0x0000000000F80000-memory.dmp

Filesize
64KB

Download
memory/2060-0-0x00007FFAD65F0000-0x00007FFAD6F91000-memory.dmp

Filesize
9.6MB

Download
memory/2060-19-0x00007FFAD65F0000-0x00007FFAD6F91000-memory.dmp

Filesize
9.6MB

Download
memory/4088-20-0x0000000000C70000-0x0000000000C80000-memory.dmp

Filesize
64KB

Download
memory/4088-21-0x00007FFAD65F0000-0x00007FFAD6F91000-memory.dmp

Filesize
9.6MB

Download
memory/4088-22-0x000000001BDA0000-0x000000001BDA8000-memory.dmp

Filesize
32KB

Download
memory/4088-23-0x00007FFAD65F0000-0x00007FFAD6F91000-memory.dmp

Filesize
9.6MB

Download
memory/4088-24-0x0000000000C70000-0x0000000000C80000-memory.dmp

Filesize
64KB

Download
memory/4088-18-0x00007FFAD65F0000-0x00007FFAD6F91000-memory.dmp

Filesize
9.6MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads