Analysis
-
max time kernel
143s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
23-07-2024 02:45
Behavioral task
behavioral1
Sample
ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
Resource
win10v2004-20240709-en
General
-
Target
ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
-
Size
543KB
-
MD5
53fdeb923b1890d29b8f29da77995938
-
SHA1
a996ccd0d58125bf299e89f4c03ff37afdab33fc
-
SHA256
ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e
-
SHA512
7c78e880f3d2dfc163625ff3d0b4676aa6a083dbbeac270520679f6b21d1c449c5af720ca7b9a68b5b3309e2de8d586cfed5d9b3a78d006e6d981a1aaf88c535
-
SSDEEP
12288:M1DTMHixr1moQqUiXINDl/m1s6BQio67VlAU:AzmoQqUiXw2s6yiVxR
Malware Config
Extracted
C:\Program Files\readme.txt
https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80/
Signatures
-
Black Basta
A ransomware family targeting Windows and Linux ESXi first seen in February 2022.
-
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (9590) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\readme.txt ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dlaksjdoiwq.jpg" ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0240291.WMF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\PICCAP98.POC ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\info.gif ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\images\speaker-32.png ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Panama ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\FormsViewFrame.html ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File created C:\Program Files (x86)\Common Files\microsoft shared\EURO\readme.txt ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099174.WMF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\BIZFORM.XML ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\Microsoft.Build.Conversion.v3.5.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Mozilla Firefox\browser\crashreporter-override.ini ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\WISC30.DLL ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-core-io-ui.xml_hidden ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\ResourceInternal.zip ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File created C:\Program Files\VideoLAN\VLC\locale\cs\LC_MESSAGES\readme.txt ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\libdemuxdump_plugin.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\DEEPBLUE\PREVIEW.GIF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\VDKHome\VDK10.LIC ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\validation.js ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Stationery\1033\PINELUMB.HTM ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\video_chroma\libi422_yuy2_sse2_plugin.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveDocumentReview\InactiveTabImageMask.bmp ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Internet Explorer\msdbg2.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR8F.GIF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00172_.GIF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\DVA.api ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\bg_Casual.gif ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\XML Files\Space Templates\readme.txt ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Europe\Uzhgorod ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\PublicFunctions.js ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\FBIBLIO.DLL ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099181.WMF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\en-US\mip.exe.mui ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\MSInfo\es-ES\msinfo32.exe.mui ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File created C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\readme.txt ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\plugin2\npjp2.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OUTLRPC.DLL ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File created C:\Program Files\Java\jre7\lib\cmm\readme.txt ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\UnreadIcon.jpg ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\DenyResolve.m1v ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File created C:\Program Files\Common Files\System\ado\es-ES\readme.txt ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\GreenBubbles.jpg ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\oledbvbs.inc ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\wsdetect.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18218_.WMF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR2B.GIF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\sqlceqp35.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Stationery\1033\SEAMARBL.HTM ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18221_.WMF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME41.CSS ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Maroon.css ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGWEBPQT.XML ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Title_Page_Ref.wmv ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SMIMEE.CFG ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Data.DataSetExtensions.Resources.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\winClassicHandle.png ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OLMAPI32.DLL ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0174639.WMF ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PSRCHKEY.DAT ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\en-US\boxed-correct.avi ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File created C:\Program Files (x86)\Common Files\microsoft shared\Smart Tag\LISTS\1033\readme.txt ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\FAX\UrbanFax.Dotx ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\System.Xml.Linq.Resources.dll ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe -
Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2084 vssadmin.exe 2888 vssadmin.exe -
Modifies registry class 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.basta\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico" ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.basta\DefaultIcon ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.basta ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 2500 vssvc.exe Token: SeRestorePrivilege 2500 vssvc.exe Token: SeAuditPrivilege 2500 vssvc.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2052 wrote to memory of 2132 2052 ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe 32 PID 2052 wrote to memory of 2132 2052 ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe 32 PID 2052 wrote to memory of 2132 2052 ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe 32 PID 2052 wrote to memory of 2132 2052 ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe 32 PID 2132 wrote to memory of 2084 2132 cmd.exe 34 PID 2132 wrote to memory of 2084 2132 cmd.exe 34 PID 2132 wrote to memory of 2084 2132 cmd.exe 34 PID 2132 wrote to memory of 2084 2132 cmd.exe 34 PID 2052 wrote to memory of 2408 2052 ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe 37 PID 2052 wrote to memory of 2408 2052 ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe 37 PID 2052 wrote to memory of 2408 2052 ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe 37 PID 2052 wrote to memory of 2408 2052 ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe 37 PID 2408 wrote to memory of 2888 2408 cmd.exe 39 PID 2408 wrote to memory of 2888 2408 cmd.exe 39 PID 2408 wrote to memory of 2888 2408 cmd.exe 39 PID 2408 wrote to memory of 2888 2408 cmd.exe 39 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe"C:\Users\Admin\AppData\Local\Temp\ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe"1⤵
- Drops startup file
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\system32\vssadmin.exeC:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2084
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\System32\vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\SysWOW64\vssadmin.exeC:\Windows\System32\vssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2888
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2500
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
401B
MD5ab8018847c007394feabfa8f14626ebc
SHA1d4669c9e29be5e1f32d7c30bf65ec8bd72566b2f
SHA2562967e1d97d32605fc5ace49a10828800fbbefcc1e010f6004a9c88ef3ecdad88
SHA5120f893ccd2add411ed93cade6519f9d2faf22831c60c279f355355406b72d92670a33b6b04362becb2344f3ff0b6ff979d9c078b24628c9de65cd421cf43402b9