jigsaw | bc83ef30422eb7b0c8903d3b4f1d4258e25cf78e9357a30dac773f8d2c17aa28

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-06-2024 19:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

VirusShare_5a9bd3d7f1534431a396a033d16ca496.exe
Size

240KB
MD5

5a9bd3d7f1534431a396a033d16ca496
SHA1

0c269c5a641fd479269c2f353841a5bf9910888b
SHA256

bc83ef30422eb7b0c8903d3b4f1d4258e25cf78e9357a30dac773f8d2c17aa28
SHA512

e9c5b2df61e3002a4619073a442cd1041854bafbb99de2ec0e5974ceea36aaacd1aefa43cd9c4b54477af9f3400f1f356d43e506f100f3208ca595ccb5aa3844
SSDEEP

6144:aDYZVxYgPZEz36R2eqHzs5oP+8fgsOznWqZajzCrY4F8TV:nXxO3RHzsmP+agVznWqZa/Cr7W

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
Renames multiple (455) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	VirusShare_5a9bd3d7f1534431a396a033d16ca496.exe

Executes dropped EXE 1 IoCs

pid	Process
4280	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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\firefox.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Frfx\\firefox.exe"	VirusShare_5a9bd3d7f1534431a396a033d16ca496.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Lang\ka.txt	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageSplashScreen.scale-125.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-24_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-64_contrast-white.png	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\readme.txt	drpbx.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml	drpbx.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7.wmv.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_~_8wekyb3d8bbwe\AppxMetadata\AppxBundleManifest.xml	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\1850_40x40x32.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteNewNoteWideTile.scale-100.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\OneNoteSectionWideTile.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SmallTile.scale-125_contrast-white.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\GetStartedAppList.scale-200_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_neutral_~_8wekyb3d8bbwe\AppxBlockMap.xml	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\RunningLate.scale-64.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\MixedRealityPortalMedTile.scale-125.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-60_altform-unplated_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.contrast-white_targetsize-48_altform-unplated.png	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AlarmsBadge.contrast-white_scale-100.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubSplashScreen.scale-200.png	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\bg.txt.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SmallTile.scale-100_contrast-white.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-16_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorSplashScreen.contrast-white_scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxMailAppList.targetsize-48_altform-unplated.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\OutlookMailLargeTile.scale-100.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\images\FileExcel32x32.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\AppCS\meBoot.min.js	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\OutlookPromoTile.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\Media Renderer\RenderingControl.xml	drpbx.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Word.Word.x-none.msi.16.x-none.xml.fun	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\WorldClockMedTile.contrast-white_scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\Assets\MediumTile.scale-200_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\images\PayWide310x150Logo.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\InsiderHubLargeTile.scale-200_contrast-white.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-80_altform-lightunplated.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\FileExtension.targetsize-16.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\Assets\tinytile.targetsize-16_altform-unplated_contrast-white.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosLogoExtensions.targetsize-63.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\GenericMailSmallTile.scale-400.png	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.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.contrast-white_targetsize-36.png	drpbx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\rsod\osmux.x-none.msi.16.x-none.boot.tree.dat	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxCalendarMediumTile.scale-125.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\Assets\TinyTile.scale-200_contrast-white.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Square44x44Logo.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-20_altform-colorize.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Exchange.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.contrast-black_targetsize-16.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\Assets\MixedRealityPortalAppList.targetsize-16_altform-unplated.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-20_altform-unplated_contrast-black.png	drpbx.exe
File opened for modification	C:\Program Files\Microsoft Office\ThinAppXManifest.xml	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\Assets\video.png	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\lv.txt	drpbx.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ta.txt	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-200_8wekyb3d8bbwe\Win10\MicrosoftSolitaireAppList.scale-200.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\Assets\ClippingTool.targetsize-16.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubAppList.targetsize-96_altform-unplated_contrast-white.png	drpbx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\Standard.targetsize-16_contrast-black.png	drpbx.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.fun	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 3812 wrote to memory of 4280	3812	VirusShare_5a9bd3d7f1534431a396a033d16ca496.exe	91
PID 3812 wrote to memory of 4280	3812	VirusShare_5a9bd3d7f1534431a396a033d16ca496.exe	91

C:\Users\Admin\AppData\Local\Temp\VirusShare_5a9bd3d7f1534431a396a033d16ca496.exe
"C:\Users\Admin\AppData\Local\Temp\VirusShare_5a9bd3d7f1534431a396a033d16ca496.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
  "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\VirusShare_5a9bd3d7f1534431a396a033d16ca496.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:4280

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3104 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:4884

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

Loading Replay Monitor...

Downloads

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

Filesize
240KB

MD5
5a9bd3d7f1534431a396a033d16ca496

SHA1
0c269c5a641fd479269c2f353841a5bf9910888b

SHA256
bc83ef30422eb7b0c8903d3b4f1d4258e25cf78e9357a30dac773f8d2c17aa28

SHA512
e9c5b2df61e3002a4619073a442cd1041854bafbb99de2ec0e5974ceea36aaacd1aefa43cd9c4b54477af9f3400f1f356d43e506f100f3208ca595ccb5aa3844

Download Submit
memory/3812-0-0x00007FFD84945000-0x00007FFD84946000-memory.dmp

Filesize
4KB

Download
memory/3812-1-0x00007FFD84690000-0x00007FFD85031000-memory.dmp

Filesize
9.6MB

Download
memory/3812-2-0x00007FFD84690000-0x00007FFD85031000-memory.dmp

Filesize
9.6MB

Download
memory/3812-3-0x000000001B6E0000-0x000000001BBAE000-memory.dmp

Filesize
4.8MB

Download
memory/3812-4-0x000000001BC50000-0x000000001BCEC000-memory.dmp

Filesize
624KB

Download
memory/3812-20-0x00007FFD84690000-0x00007FFD85031000-memory.dmp

Filesize
9.6MB

Download
memory/4280-17-0x00007FFD84690000-0x00007FFD85031000-memory.dmp

Filesize
9.6MB

Download
memory/4280-18-0x00007FFD84690000-0x00007FFD85031000-memory.dmp

Filesize
9.6MB

Download
memory/4280-21-0x000000001BB40000-0x000000001BB48000-memory.dmp

Filesize
32KB

Download
memory/4280-44-0x00007FFD84690000-0x00007FFD85031000-memory.dmp

Filesize
9.6MB

Download
memory/4280-45-0x00007FFD84690000-0x00007FFD85031000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads