blackbasta | 462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7

General

Target

462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
Size

1018KB
MD5

d50a3b60eb046c5d7bc6768bd3d7f1b9
SHA1

7a33162908cba6678dc75d688da1f86b54849782
SHA256

462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7
SHA512

0ff59614c5f1e118f02c5b895ffc574bee59fbec5a2b859dd970173765420ae16bb4db06ce8159dabca6304f5ced0a1e75afde15720eba3f3510e5f47fa14897
SSDEEP

24576:FNmcuJVxZ02owfnvUo7cvx1Swcs/mpVs/DtnGgFg9voR:yDljHZsnHx/GctvFx

Score

10^/10

blackbasta defense_evasion execution impact ransomware spyware stealer

Malware Config

Extracted

Path

C:\Program Files (x86)\instructions_read_me.txt

Family

blackbasta

Ransom Note

ATTENTION! Your network has been breached and all data was encrypted. Please contact us at: https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/ Login ID: 95ed9727-1fc8-40ed-98bd-c74c5aa9899f *!* To access .onion websites download and install Tor Browser at: https://www.torproject.org/ (Tor Browser is not related to us) *!* To restore all your PCs and get your network working again, follow these instructions: - Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. It doesn't matter, who are trying to do this, either it will be your IT guys or a recovery agency. Please follow these simple rules to avoid data corruption: - Do not modify, rename or delete files. Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. - Do not hire a recovery company. They can't decrypt without the key. They also don't care about your business. They believe that they are good negotiators, but it is not. They usually fail. So speak for yourself. Waiting you in a chat.

URLs

https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/

Signatures

Black Basta
A ransomware family targeting Windows and Linux ESXi first seen in February 2022.
ransomware blackbasta
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 (9500) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
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

Drops desktop.ini file(s) 1 IoCs

Processes:

462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe

description	ioc	process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe

Drops file in Program Files directory 64 IoCs

Processes:

462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe

description	ioc	process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\AppxManifest.xml	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxA-Yahoo-Dark.scale-200.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxMailMediumTile.scale-400.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\LiveTile\W5.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_neutral_split.scale-125_kzf8qxf38zg5c\SkypeApp\Assets\Images\image_placeholder.scale-125.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\RICEPAPR\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\js\nls\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files\VideoLAN\VLC\locale\mai\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-black\MedTile.scale-100.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\core_icons_retina.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\images\themes\dark\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-ul-phn.xrm-ms	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\Voices\beeps\skin_beeps.lua	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\Localized_images\de-de\AppStore_icon.svg	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.15.2003.0_x64__8wekyb3d8bbwe\GameBar.winmd	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\1949_32x32x32.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1702.301.0_x64__8wekyb3d8bbwe\Assets\VoiceRecorderAppList.targetsize-16_altform-unplated.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\Ole DB\msdasqlr.dll	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\dot.cur	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\task-handler\js\nls\it-it\ui-strings.js	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_25.25.13009.0_x64__8wekyb3d8bbwe\_Resources\7.rsrc	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7EN.DLL	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.16112.11621.0_neutral_resources.scale-150_8wekyb3d8bbwe\Assets\contrast-white\AppList.scale-150_contrast-white.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\bg\LC_MESSAGES\vlc.mo	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Themes\Jumbo\mask\11s.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ppd.xrm-ms	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\LinkedInboxMediumTile.scale-400.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\large\bike.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\LTR\WideTile.scale-125.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Windows Defender\ja-JP\ProtectionManagement.dll.mui	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-pl.xrm-ms	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\Ole DB\msdaosp.dll	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\SupplementalDictionaries\en_GB\excluded.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\fi-fi\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_16.511.8780.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-black_targetsize-32.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\Assets\MediumGray.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_11.19.19003.0_x64__8wekyb3d8bbwe\Assets\Fallback.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\Images\Ratings\Yelp6.scale-100.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\contrast-black\AppPackageStoreLogo.scale-100_contrast-black.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2017.125.40.0_x64__8wekyb3d8bbwe\Assets\Icons\jit_rich_capture.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\HxMailSplashLogo.scale-250.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Awards\spider\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\api-ms-win-crt-utility-l1-1-0.dll	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\7-Zip\Lang\tg.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\204.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\hu-hu\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2017.125.40.0_x64__8wekyb3d8bbwe\Assets\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxMailWideTile.scale-200.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_x64__8wekyb3d8bbwe\Assets\Sounds\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\LogoBeta.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\DUBAI-REGULAR.TTF	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File created	C:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\Content\mobile\en-GB\instructions_read_me.txt	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\ro-ro\ui-strings.js	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Windows Defender\ja-JP\ProtectionManagement_Uninstall.mfl	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-30_altform-unplated_contrast-white.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AlarmsBadge.contrast-black_scale-100.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\MapDarkTheme.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\lib\jfr.jar	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Icons\credits.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Awards\challenge\Diamonds_are_Forever_Unearned_small.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsStoreLogo.scale-125.png	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe

Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

4844 vssadmin.exe

pid	process
4844	vssadmin.exe

Modifies registry class 3 IoCs

Processes:

462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.oajg0xu2s\DefaultIcon	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.oajg0xu2s	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.oajg0xu2s\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

notepad.exe

pid process

676 notepad.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2536 vssvc.exe
Token: SeRestorePrivilege 2536 vssvc.exe
Token: SeAuditPrivilege 2536 vssvc.exe

pid	process
676	notepad.exe

description	pid	process
Token: SeBackupPrivilege	2536	vssvc.exe
Token: SeRestorePrivilege	2536	vssvc.exe
Token: SeAuditPrivilege	2536	vssvc.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.execmd.execmd.exe

description	pid	process	target process
PID 2024 wrote to memory of 4652	2024	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe	cmd.exe
PID 2024 wrote to memory of 4652	2024	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe	cmd.exe
PID 2024 wrote to memory of 4652	2024	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe	cmd.exe
PID 4652 wrote to memory of 4844	4652	cmd.exe	vssadmin.exe
PID 4652 wrote to memory of 4844	4652	cmd.exe	vssadmin.exe
PID 2024 wrote to memory of 4572	2024	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe	cmd.exe
PID 2024 wrote to memory of 4572	2024	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe	cmd.exe
PID 2024 wrote to memory of 4572	2024	462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe	cmd.exe
PID 4572 wrote to memory of 676	4572	cmd.exe	notepad.exe
PID 4572 wrote to memory of 676	4572	cmd.exe	notepad.exe
PID 4572 wrote to memory of 676	4572	cmd.exe	notepad.exe

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\462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe
"C:\Users\Admin\AppData\Local\Temp\462bbb8fd7be98129aa73efa91e2d88fa9cafc7b47431b8227d1957f5d0c8ba7.exe"
1⤵
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4652
- - C:\Windows\System32\vssadmin.exe
    C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:4844
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /MAX notepad.exe c:\instructions_read_me.txt
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Windows\SysWOW64\notepad.exe
    notepad.exe c:\instructions_read_me.txt
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:676

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1

T1047

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

2

T1070

File Deletion

2

T1070.004

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Program Files (x86)\instructions_read_me.txt

Filesize
1KB

MD5
af64abd8f8e49ecaca5bb5540176e570

SHA1
d5127c60726a451f79ec2c6d595014a3f5d8d04e

SHA256
fd4dcbf8f4f9a71b08bb663470efc417809afbea1ccb6d35aa469d56c1c0cdeb

SHA512
d2294b519d30c244e757215e7c09de0159a333656e009481a7c3a672f49b9154e94e057b04aa88ea4769ee1e390462a4d55efe6e46d5f4f831f8ae678e5f9d3d

Download Submit
memory/2024-22880-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22889-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-1-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22833-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22862-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-0-0x00000000033D0000-0x00000000035CD000-memory.dmp

Filesize
2.0MB

Download
memory/2024-22874-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-3-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22866-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22855-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22892-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22895-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22897-0x0000000002EB0000-0x0000000002F94000-memory.dmp

Filesize
912KB

Download
memory/2024-22896-0x00000000033D0000-0x00000000035CD000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads