phobos | 45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f

Resubmissions

25/08/2025, 11:21

250825-ngep8sfm6z10

07/07/2024, 16:49

240707-vbnjhsvgrp10

Analysis

max time kernel
49s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2024, 16:49

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General

Target
Fast.exe
Size 66KB
Sample240707-vbnjhsvgrp
SHA256 45de59851d68929632346d6f894dc8c1b6a5c4197db83c2e33c60631efc0b39f
MD5 87d6d2488b1260e70f4042bf1f292529
SHA1 161f9a79f8197c9b5de1beb7bd4d425d5c23b45b
SHA512 a9d3930de1ff5849e61d1807c6de4b063790dc03f7e4f3f2101cbddde55002ffcc85d2ff433b753a5936403feedbc93c0f3658ffb5e8051d00ba58641e6afda7
SSDEEP 1536:/NeRBl5PT/rx1mzwRMSTdLpJy/jIlkugRGVy/SR1qo+tEgfNni:/QRrmzwR5JysFV12i
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

phobos defense_evasion evasion execution impact persistence privilege_escalation ransomware spyware stealer

Malware Config

Extracted

Path

C:\info.hta

Ransom Note

<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'> <html> <head> <meta charset='windows-1251'> <title>encrypted</title> <HTA:APPLICATION ICON='msiexec.exe' SINGLEINSTANCE='yes' SysMenu="no"> <script language='JScript'> window.moveTo(50, 50); window.resizeTo(screen.width - 100, screen.height - 100); </script> <style type='text/css'> body { font: 15px Tahoma, sans-serif; margin: 10px; line-height: 25px; background: #EDEDED; } img { display:inline-block; } .bold { font-weight: bold; } .mark { background: #D0D0E8; padding: 2px 5px; } .header { text-align: center; font-size: 30px; line-height: 50px; font-weight: bold; margin-bottom:20px; } .info { background: #D0D0E8; border-left: 10px solid #00008B; } .alert { background: #FFE4E4; border-left: 10px solid #FF0000; } .private { border: 1px dashed #000; background: #FFFFEF; } .note { height: auto; padding-bottom: 1px; margin: 15px 0; } .note .title { font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; } .note .mark { background: #A2A2B5; } .note ul { margin-top: 0; } .note pre { margin-left: 15px; line-height: 13px; font-size: 13px; } .footer { position:fixed; bottom:0; right:0; text-align: right; } .title { margin-left: 0; } .title.sub { margin-left:30px; dispaly:inline-block; } </style> </head> <body> <div class='header'> <img src='data:image/png;base64,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'> <div>Dear Management</div> </div> <div class='bold'>   If you are reading this message, it means that:<br><ul> - your network infrastructure has been compromised,<br> - critical data was leaked,<br> - files are encrypted</span></div></ul> <div class='bold'>   The best and only thing you can do is to contact us to settle the matter before any losses occurs.</span></div> <div class='bold'>   Onion site: <span class='mark'><a href='http://xb6q2aggycmlcrjtbjendcnnwpmmwbosqaugxsqb4nx6cmod3emy7sad.onion'>http://xb6q2aggycmlcrjtbjendcnnwpmmwbosqaugxsqb4nx6cmod3emy7sad.onion</a></span></div> <div class='bold'>   Telegram channel: <span class='mark'><a href='https://t.me/eightbase'>https://t.me/eightbase</a></span></div> </div> <div class='note info'> <div class='title'>1. THE FOLLOWING IS STRICTLY FORBIDDEN</div> <div class='title.sub'>   1.1 EDITING FILES ON HDD.</div> <ul>Renaming, copying or moving any files could DAMAGE the cipher and decryption will be impossible.</ul> <div class='title.sub'>   1.2 USING THIRD-PARTY SOFTWARE.</div> <ul>Trying to recover with any software can also break the cipher and file recovery will become a problem.</ul> <div class='title.sub'>   1.3 SHUTDOWN OR RESTART THE PC.</div> <ul>Boot and recovery errors can also damage the cipher. Sorry about that, but doing so is entirely at your own risk.</ul> </div> <div class='note info'> <div class='title'>2. EXPLANATION OF THE SITUATION</div> <div class='title.sub'>   2.1 HOW DID THIS HAPPEN</div> <ul>The security of your IT perimeter has been compromised (it's not perfect at all). We encrypted your workstations and servers to make the fact of the intrusion visible and to prevent you from hiding critical data leaks. We spent a lot of time researching and finding out the most important directories of your business, your weak points. We have already downloaded a huge amount of critical data and analyzed it. Now its fate is up to you, it will either be deleted or sold, or shared with the media.</ul> <div class='title.sub'>   2.2 VALUABLE DATA WE USUALLY STEAL:</div> <ul>- Databases, legal documents, personal information.<br> - Audit reports.<br> - Audit SQL database.<br> - Any financial documents (Statements, invoices, accounting, transfers etc.).<br> - Work files and corporate correspondence.<br> - Any backups.<br> - Confidential documents.</ul> <div class='title.sub'>   2.3 TO DO LIST (best practies)</div> <ul>- Contact us as soon as possible. - Contact us only in our live chat, otherwise you can run into scammers. - Purchase our decryption tool and decrypt your files. There is no other way to do this. - Realize that dealing with us is the shortest way to success and secrecy. - Give up the idea of using decryption help programs, otherwise you will destroy the system permanently. - Avoid any third-party negotiators and recovery groups. They can become the source of leaks.</ul> </div> <div class='note info'> <div class='title'>3. POSSIBLE DECISIONS</div> <div class='title.sub'>   3.1 NOT MAKING THE DEAL</div> <ul>- After 4 days starting tomorrow your leaked data will be Disclosed or sold.<br> - We will also send the data to all interested supervisory organizations and the media.<br> - Decryption key will be deleted permanently and recovery will be impossible.<br> - Losses from the situation can be measured based on your annual budget.</ul> <div class='title.sub'>   3.2 MAKING THE WIN-WIN DEAL</div> <ul>- Databases, legal documents, personal information.<br> - You will get the only working Decryption Tool and the how-to-use Manual.<br> - You will get our guarantees (with log provided) of non-recovarable deletion of all your leaked data.<br> - You will get our guarantees of secrecy and removal of all traces related to the deal in the Internet.<br> - You will get our security report on how to fix your security breaches.</ul> </div> </div> <div class='note info'> <div class='title'>4. EVIDENCE OF THE LEAKAGE</div> <div class='bold'>   In our contact form or mail:</span></div> <div class='bold'>   Onion site: <span class='mark'><a href='http://xb6q2aggycmlcrjtbjendcnnwpmmwbosqaugxsqb4nx6cmod3emy7sad.onion'>http://xb6q2aggycmlcrjtbjendcnnwpmmwbosqaugxsqb4nx6cmod3emy7sad.onion</a></span></div> <ul> <li>Write us to the mails: <span class='mark'>[email protected]</span></li> or <span class='mark'>[email protected]</span> <li>Write this ID in the title of your message <span class='mark'>EE907AA5-3483</span></li> </ul> </div> </div> <div class='note info'> <div class='title'>5. HOW TO CONTACT US</div> <ul> 5.1 Download and install TOR Browser <a href='https://torproject.org'>https://torproject.org</a><br> 5.2 Go to our contact form website at <a href='http://xb6q2aggycmlcrjtbjendcnnwpmmwbosqaugxsqb4nx6cmod3emy7sad.onion'>http://xb6q2aggycmlcrjtbjendcnnwpmmwbosqaugxsqb4nx6cmod3emy7sad.onion</a><br> 5.3 You can request sample files chat to review leaked data samples.<br> 5.4 In case TOR Browser is restricted in your area use VPN services.<br> 5.5 All leaked Data samples will be Disclosed in 4 Days if you remain silent.<br> 5.6 Your Decryption keys will be permanently destroyed at the moment the leaked Data is Disclosed. </ul> </div> <div class='note alert'> <div class='title'>6. RESPONSIBILITY</div> <div class='title.sub'>   6.1 Breaking critical points of this offer will cause:</div> <ul> <li>Deletion of your decryption keys.</li> <li>Immediate sale or complete Disclosure of your leaked data.</li> <li>Notification of government supervision agencies, your competitors and clients.</li> </ul> </div> </body> </html>

Emails

class='mark'>[email protected]</span></li>
class='mark'>[email protected]</span>

URLs

http://www.w3.org/TR/html4/strict.dtd'>

Signatures

Phobos
Phobos ransomware appeared at the beginning of 2019.
ransomware phobos
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

Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs

ransomware evasion

Inhibit System Recovery

T1490

pid	Process
1496	bcdedit.exe
3452	bcdedit.exe
4628	bcdedit.exe
4024	bcdedit.exe

Renames multiple (235) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Deletes backup catalog 3 TTPs 2 IoCs

Uses wbadmin.exe to inhibit system recovery.

ransomware

Command and Scripting Interpreter

T1059

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
876	wbadmin.exe
3240	wbadmin.exe

Modifies Windows Firewall 2 TTPs 2 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3448	netsh.exe
4804	netsh.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	\??\c:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\Fast.exe	Fast.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fast = "C:\\Users\\Admin\\AppData\\Local\\Fast.exe"	Fast.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fast = "C:\\Users\\Admin\\AppData\\Local\\Fast.exe"	Fast.exe

Drops desktop.ini file(s) 4 IoCs

description	ioc	Process
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2494989678-839960665-2515455429-1000\desktop.ini	Fast.exe
File opened for modification	C:\$Recycle.Bin\S-1-5-21-2494989678-839960665-2515455429-1000\desktop.ini	Fast.exe
File opened for modification	C:\Program Files\desktop.ini	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI	Fast.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-private-l1-1-0.dll	Fast.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\prism_common.dll	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ul-phn.xrm-ms	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.COMMON.DLL	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\FPA_f14\FA000000014	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MEDIA\COIN.WAV	Fast.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Encoding.dll	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PROOF\LTSHYPH_EN.LEX	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-oob.xrm-ms.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ul-oob.xrm-ms	Fast.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationCore.resources.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\110.0.5481.104\WidevineCdm\manifest.json	Fast.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.dll	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\Microsoft.VisualBasic.Forms.resources.dll	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ul-oob.xrm-ms.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-pl.xrm-ms	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Dallas.OAuthClient.dll	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-140.png.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.Registry.AccessControl.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\Microsoft.VisualBasic.Forms.resources.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ppd.xrm-ms	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Grace-ppd.xrm-ms	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-pl.xrm-ms	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Grace-ul-oob.xrm-ms.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.XLHost.Modeler.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationCore.resources.dll	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationProvider.resources.dll	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsFormsIntegration.resources.dll	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet II.xml	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Asn1.dll	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationUI.resources.dll	Fast.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.ProtectedData.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-phn.xrm-ms	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT	Fast.exe
File opened for modification	C:\Program Files\Common Files\microsoft shared\ink\ipssve.xml	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Mail.dll	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ul-phn.xrm-ms.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_F_COL.HXK.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Security.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\gstreamer-lite.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Input.Manipulations.dll	Fast.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Accessibility.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ul-oob.xrm-ms	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-ppd.xrm-ms	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-ppd.xrm-ms.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ppd.xrm-ms	Fast.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore.dll	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationTypes.resources.dll	Fast.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\blacklisted.certs.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClient.resources.dll	Fast.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.resources.dll	Fast.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationUI.resources.dll	Fast.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\javafx-src.zip.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Times New Roman-Arial.xml	Fast.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ul-oob.xrm-ms	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-ppd.xrm-ms.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.id[EE907AA5-3483].[[email protected]].8base	Fast.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.id[EE907AA5-3483].[[email protected]].8base	Fast.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Checks SCSI registry key(s) 3 TTPs 4 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	vds.exe

Interacts with shadow copies 3 TTPs 2 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
4192	vssadmin.exe
3260	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe
4000	Fast.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	4000	Fast.exe
Token: SeBackupPrivilege	764	vssvc.exe
Token: SeRestorePrivilege	764	vssvc.exe
Token: SeAuditPrivilege	764	vssvc.exe
Token: SeIncreaseQuotaPrivilege	4728	WMIC.exe
Token: SeSecurityPrivilege	4728	WMIC.exe
Token: SeTakeOwnershipPrivilege	4728	WMIC.exe
Token: SeLoadDriverPrivilege	4728	WMIC.exe
Token: SeSystemProfilePrivilege	4728	WMIC.exe
Token: SeSystemtimePrivilege	4728	WMIC.exe
Token: SeProfSingleProcessPrivilege	4728	WMIC.exe
Token: SeIncBasePriorityPrivilege	4728	WMIC.exe
Token: SeCreatePagefilePrivilege	4728	WMIC.exe
Token: SeBackupPrivilege	4728	WMIC.exe
Token: SeRestorePrivilege	4728	WMIC.exe
Token: SeShutdownPrivilege	4728	WMIC.exe
Token: SeDebugPrivilege	4728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4728	WMIC.exe
Token: SeRemoteShutdownPrivilege	4728	WMIC.exe
Token: SeUndockPrivilege	4728	WMIC.exe
Token: SeManageVolumePrivilege	4728	WMIC.exe
Token: 33	4728	WMIC.exe
Token: 34	4728	WMIC.exe
Token: 35	4728	WMIC.exe
Token: 36	4728	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4728	WMIC.exe
Token: SeSecurityPrivilege	4728	WMIC.exe
Token: SeTakeOwnershipPrivilege	4728	WMIC.exe
Token: SeLoadDriverPrivilege	4728	WMIC.exe
Token: SeSystemProfilePrivilege	4728	WMIC.exe
Token: SeSystemtimePrivilege	4728	WMIC.exe
Token: SeProfSingleProcessPrivilege	4728	WMIC.exe
Token: SeIncBasePriorityPrivilege	4728	WMIC.exe
Token: SeCreatePagefilePrivilege	4728	WMIC.exe
Token: SeBackupPrivilege	4728	WMIC.exe
Token: SeRestorePrivilege	4728	WMIC.exe
Token: SeShutdownPrivilege	4728	WMIC.exe
Token: SeDebugPrivilege	4728	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4728	WMIC.exe
Token: SeRemoteShutdownPrivilege	4728	WMIC.exe
Token: SeUndockPrivilege	4728	WMIC.exe
Token: SeManageVolumePrivilege	4728	WMIC.exe
Token: 33	4728	WMIC.exe
Token: 34	4728	WMIC.exe
Token: 35	4728	WMIC.exe
Token: 36	4728	WMIC.exe
Token: SeBackupPrivilege	2680	wbengine.exe
Token: SeRestorePrivilege	2680	wbengine.exe
Token: SeSecurityPrivilege	2680	wbengine.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 2864	4000	Fast.exe	87
PID 4000 wrote to memory of 2864	4000	Fast.exe	87
PID 4000 wrote to memory of 4340	4000	Fast.exe	88
PID 4000 wrote to memory of 4340	4000	Fast.exe	88
PID 2864 wrote to memory of 3260	2864	cmd.exe	91
PID 2864 wrote to memory of 3260	2864	cmd.exe	91
PID 4340 wrote to memory of 3448	4340	cmd.exe	92
PID 4340 wrote to memory of 3448	4340	cmd.exe	92
PID 4340 wrote to memory of 4804	4340	cmd.exe	95
PID 4340 wrote to memory of 4804	4340	cmd.exe	95
PID 2864 wrote to memory of 4728	2864	cmd.exe	96
PID 2864 wrote to memory of 4728	2864	cmd.exe	96
PID 2864 wrote to memory of 1496	2864	cmd.exe	98
PID 2864 wrote to memory of 1496	2864	cmd.exe	98
PID 2864 wrote to memory of 3452	2864	cmd.exe	99
PID 2864 wrote to memory of 3452	2864	cmd.exe	99
PID 2864 wrote to memory of 876	2864	cmd.exe	100
PID 2864 wrote to memory of 876	2864	cmd.exe	100

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
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\Fast.exe
"C:\Users\Admin\AppData\Local\Temp\Fast.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Users\Admin\AppData\Local\Temp\Fast.exe
  "C:\Users\Admin\AppData\Local\Temp\Fast.exe"
  2⤵
  PID:1060
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:3260
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4728
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:1496
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {default} recoveryenabled no
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:3452
- - C:\Windows\system32\wbadmin.exe
    wbadmin delete catalog -quiet
    3⤵
    - Deletes backup catalog
    PID:876
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4340
- - C:\Windows\system32\netsh.exe
    netsh advfirewall set currentprofile state off
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:3448
- - C:\Windows\system32\netsh.exe
    netsh firewall set opmode mode=disable
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:4804
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
  2⤵
  PID:4744
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
  2⤵
  PID:744
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
  2⤵
  PID:1136
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
  2⤵
  PID:4984
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  PID:300
- - C:\Windows\system32\vssadmin.exe
    vssadmin delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:4192
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic shadowcopy delete
    3⤵
    PID:4028
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {default} bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:4024
- - C:\Windows\system32\bcdedit.exe
    bcdedit /set {default} recoveryenabled no
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:4628
- - C:\Windows\system32\wbadmin.exe
    wbadmin delete catalog -quiet
    3⤵
    - Deletes backup catalog
    PID:3240

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:764

C:\Windows\system32\wbengine.exe
"C:\Windows\system32\wbengine.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2680

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:3868

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
- Checks SCSI registry key(s)
PID:212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Direct Volume Access

T1006

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

AppvIsvSubsystems32.dll.id[EE907AA5-3483].[[email protected]].8base

Path C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.id[EE907AA5-3483].[[email protected]].8base
Size 2.7MB
SHA256 d2c318c4cc3e28f9f864d67c734f155a03603ee62c3ddd12e76244d1934a3f15
MD5 6ca433371afd64502fdd2b15745583b3
SHA1 144faab037e0bd1be854312179a75ecc34cdac2f
SHA512 acfdd8e67a9e1d81fbe660d01b6b8b8e4e9d0c6efc0d4932dd3df47a33b29de50c4f1f71aba3b8e7e076713f28fed9248617e1fd16319ef630af3d63d9e0f89d
SSDEEP 49152:VIZc6rQSgmYSSrCXHInIjTz53/g9lJoNx:CgmRjoILW9oH
MD5 SHA1 SHA512 SSDEEP

Submit Download

info.hta

Path C:\info.hta
Size 9KB
SHA256 dc9c2a948079c0d1591aa2c6f4a04f9852d9e42a95a38b058115ed75dbb7b556
MD5 8d97690f28f9cbaa66407e403b65a66a
SHA1 ce666d55e834b5df503b5cb4a30027fdf2a1ba3d
SHA512 083fdf60ef1dd8dd635f4e8d392680ed7e3cc0a0c4b69355000d3dcb8786dd230b5ab7ff0074b098fadcd343a22c371e5976cd17629466cfe6490fe695ac5168
SSDEEP 192:Hg7RQ4vn7fkQjVZArJr+kTL87rEJ1qeOKTgu5UcixQCXopw:m5bkQjrAFr+IcrM1J6Lopw
MD5 SHA1 SHA512 SSDEEP

Submit Download