c4e56e9f1a23448f15f6f81dfdf3b2343e94ca1f33ba1f11a96a4b4182358664

Analysis

max time kernel
150s
max time network
136s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
18-10-2024 17:30

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General

Target

3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
Size

18KB
MD5

50f4469ad4b9bf352c5c9604ef913ccf
SHA1

5c82d5155c9151115346efd94e1b1da34cced32c
SHA256

3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7
SHA512

ff92408fd18d0a7563705e606a9534ebc47f6e85b3dd2aa439da58f85c32c8107dd2d5985aca91d7c0c3cb604ef7d5758469e8efc77d033a66148b3a8731be3e
SSDEEP

384:vRHTIhveCy+RujQKK7qbqtLnWp9Iggf7W8:vRTIry+Ru0KKObh9IggfL

Score

9^/10

defense_evasion execution impact ransomware

Malware Config

Signatures

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Renames multiple (2662) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\GamePlayAssets\FreeCell\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Jumbo\jumbo_11c.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.24123.0_x86__8wekyb3d8bbwe\microsoft.system.package.metadata\Autogen\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailMediumTile.scale-150.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.15.2003.0_x64__8wekyb3d8bbwe\Assets\GamesXboxHubLargeTile.scale-200.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\ro-ro\ui-strings.js	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\ar-ae\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\js\nls\fr-fr\ui-strings.js	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\GameEnd\endGame_blue_over.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\Snooze.scale-64.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\2876_20x20x32.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\fr-ma\ui-strings.js	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailWideTile.scale-200.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\es-es\ui-strings.js	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Buttons\Solve\autosolve_button_up.mobile.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\small\giggle.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\bg2.jpg	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\HoloAssets\HoloLens_HandTracking.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\images\themeless\mobile_fillsign_logo.svg	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNotePageMedTile.scale-400.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\ml_16x11.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-36_altform-unplated_contrast-white.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_sortedby_18.svg	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\file_types\themes\dark\aic_file_icons_retina_thumb.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\pl-pl\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.0.1605.0_x64__8wekyb3d8bbwe\Microsoft.Advertising\bootstrap.js	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\remove.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\ui-strings.js	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\ca-es\ui-strings.js	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.contrast-white_scale-200.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\StoreAppList.targetsize-30.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_x64__8wekyb3d8bbwe\Assets\starttile.dualsim2.wink.small.scale-200.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Awards\challenge\Gimme_Five_.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsPowerShell\Modules\PSReadline\1.2\it\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteNotebookMedTile.scale-125.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\1937_48x48x32.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\multi-tab-file-view-2x.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Collections\WideTile.scale-200.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\en-us\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\7205_20x20x32.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.People_10.1.10531.0_x64__8wekyb3d8bbwe\Assets\contrast-black\PeopleAppList.targetsize-20.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\ThemeCreation\lobby_deck_style_beach.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Logos\BadgeLogo\PaintApplist.scale-125.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\en-ae\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\Windows Security\BrowserCore\en-US\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.contrast-white_targetsize-40.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarSplashLogo.scale-200.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\fi-fi\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\OutlookMailMediumTile.scale-400.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\email\dummy\fake_logo.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\images\buttons.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-black\OneNoteAppList.targetsize-24_altform-unplated.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\vu_16x11.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_16.511.8780.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-black_scale-200.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxCalendarSmallTile.scale-150.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\Java\jre-1.8\lib\applet\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\file_types\sendforcomments.svg	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\Decrypt Instructions.txt	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Arkadium.Win10.StarClub\Assets\StarIcon.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_delete_18.svg	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\zh-cn\ui-strings.js	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxA-GoogleCloudCache-Light.scale-100.png	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe

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

System Information Discovery
T1082

Interacts with shadow copies 3 TTPs 1 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

Direct Volume Access

T1006

pid	Process
4852	vssadmin.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2704	vssvc.exe
Token: SeRestorePrivilege	2704	vssvc.exe
Token: SeAuditPrivilege	2704	vssvc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 4852	1012	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe	73
PID 1012 wrote to memory of 4852	1012	3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe	73

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe
"C:\Users\Admin\AppData\Local\Temp\3dfaf477d5058014e308f079fdfe1e9c765f3280c0ef105ddd0efeb5c9b0daa7.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Windows\System32\vssadmin.exe
  "C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:4852

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact