Analysis
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max time kernel
140s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
09-10-2022 11:13
Static task
static1
Behavioral task
behavioral1
Sample
17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe
Resource
win10v2004-20220901-en
General
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Target
17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe
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Size
636KB
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MD5
267d5c3137d313ce1a86c2f255a835e6
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SHA1
c7a37c0edeffd23777cca44f9b49076be1bd43e6
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SHA256
17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90
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SHA512
9c119a9f973dae77f2cdd6a855ae45c20660aadc5c592f6d06f6360dd0bb5a380d0ed1fcc23c0cb721da70bcca7d32db46181be675bf0587276d35d6da26a31e
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SSDEEP
12288:aEky5bwpy02iRaeXCP2CIcdoKAXMr+Mr+kJZ4:j02iRaeHPcdo18rTrf6
Malware Config
Extracted
C:\Users\Admin\Desktop\readme.txt
blackbasta
https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80/
Signatures
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Black Basta
A ransomware family targeting Windows and Linux ESXi first seen in February 2022.
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Modifies extensions of user files 6 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\ExportWatch.png => C:\Users\Admin\Pictures\ExportWatch.pngencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Users\Admin\Pictures\ExportWatch.pngencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File renamed C:\Users\Admin\Pictures\LockUse.raw => C:\Users\Admin\Pictures\LockUse.rawencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Users\Admin\Pictures\LockUse.rawencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File renamed C:\Users\Admin\Pictures\SkipRead.tif => C:\Users\Admin\Pictures\SkipRead.tifencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Users\Admin\Pictures\SkipRead.tifencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\Desktop\Wallpaper 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PRTF9.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\STSUPLD.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\Microsoft.stdformat.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jre7\bin\glib-lite.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Mozilla Firefox\nss3.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Microsoft Office\Office14\OLKFSTUB.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\oisctrl.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCDDSLM.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONLNTCOMLIB.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\TWRECS.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\Microsoft.mshtml.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Filters\offfiltx.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\License.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GROOVEEX.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\TWCUTLIN.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Mozilla Firefox\ucrtbase.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\EXSEC32.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXEencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONBttnIELinkedNotes.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Wordcnvr.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXEV.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jre7\bin\gstreamer-lite.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Microsoft Games\More Games\MoreGames.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\mscss7cm_es.dubencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\mset7fr.kicencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exeencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\Lang\ro.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaireMCE.lnkencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Opulent.thmxencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Mozilla Firefox\api-ms-win-crt-heap-l1-1-0.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Mozilla Firefox\api-ms-win-crt-stdio-l1-1-0.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.iniencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jar.exeencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MAPISHELL.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\VisioCustom.propdescencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\sqlceme35.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OLKIRM.XMLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SplashScreen.bmpencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\VSTO\vstoee100.tlbencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jli.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jre7\bin\eula.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\History.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Mozilla Firefox\api-ms-win-crt-filesystem-l1-1-0.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Mozilla Firefox\api-ms-win-crt-string-l1-1-0.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jre7\bin\policytool.exeencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exeencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exeencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jre7\bin\msvcr100.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Microsoft Office\Office14\AUTHZAX.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CSS7DATA000A.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\excelcnvpxy.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SENDTO.DLLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\COPYRIGHTencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\LockSend.mppencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txtencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files\Java\jre7\bin\sunmscapi.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Common Files\Services\verisign.bmpencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IPIRM.XMLencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.InfoPath.FormControl.dllencrypted 17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: 33 344 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 344 AUDIODG.EXE Token: 33 344 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 344 AUDIODG.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe"C:\Users\Admin\AppData\Local\Temp\17205c43189c22dfcb278f5cc45c2562f622b0b6280dcd43cc1d3c274095eb90.exe"1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
PID:1336
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:1736
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1881⤵
- Suspicious use of AdjustPrivilegeToken
PID:344