Analysis
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max time kernel
131s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27-10-2024 06:49
Static task
static1
Behavioral task
behavioral1
Sample
1354254499b2e3353708747d36c334074f40c1f726ea7590384f2192c972f8c3.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1354254499b2e3353708747d36c334074f40c1f726ea7590384f2192c972f8c3.dll
Resource
win10v2004-20241007-en
General
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Target
1354254499b2e3353708747d36c334074f40c1f726ea7590384f2192c972f8c3.dll
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Size
1023KB
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MD5
53a7c9b7ae1309fa2fda3cd9cd04d35d
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SHA1
0376101a6ba19ae78e70aa8ac355f73d2ba623ad
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SHA256
1354254499b2e3353708747d36c334074f40c1f726ea7590384f2192c972f8c3
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SHA512
7950bf1455471f4c881d9b432a7bfdb31cc4e667a9c2c3acf59d1940b0604bb04493ea5b2dddba44be5665e8c9006c7d0c0a234c64d4d8fca4061e3467363e27
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SSDEEP
12288:MaltsKTwLqC5SWYgeWYg955/155/QUrTaUHx2eP9RJbBDv6cTWPb9lWzpk+hMry/:MaltsKTwLB5k5PbG7pf6BadFmCxvzO
Malware Config
Extracted
C:\Program Files\instructions_read_me.txt
blackbasta
https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/
Signatures
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Black Basta
A ransomware family targeting Windows and Linux ESXi first seen in February 2022.
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Blackbasta family
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Renames multiple (6225) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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 rundll32.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD10289_.GIF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolIcons\ALERT.ICO rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\IN00346_.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\IN00957_.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\BLENDS\PREVIEW.GIF rundll32.exe File created C:\Program Files (x86)\Windows NT\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21505_.GIF rundll32.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\es-ES\gadget.xml rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0152590.WMF rundll32.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\3.png rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\BOLDSTRI\THMBNAIL.PNG rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui rundll32.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\rings-dock.png rundll32.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\daisies.png rundll32.exe File opened for modification C:\Program Files\Common Files\System\ja-JP\wab32res.dll.mui rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD02097_.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02291U.BMP rundll32.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Checkers\fr-FR\ChkrRes.dll.mui rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\RTC.der rundll32.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_hu.dll rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Horizon.xml rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\InfoPathOM\InfoPathOMFormServices\Microsoft.Office.InfoPath.xml rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0153091.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02009_.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\POSTL.ICO rundll32.exe File opened for modification C:\Program Files\Windows Media Player\de-DE\wmpnscfg.exe.mui rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MCPS.DLL rundll32.exe File created C:\Program Files\VideoLAN\VLC\locale\hy\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\DVD Maker\SecretST.TTF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA01852_.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\WINWORD_COL.HXT rundll32.exe File created C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\en-US\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0199429.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0200163.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00192_.WMF rundll32.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\fr-FR\currency.html rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt rundll32.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\libps_plugin.dll rundll32.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_left_pressed.png rundll32.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\CPU.Gadget\images\dialdot_lrg.png rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BORDERS\MSART5.BDR rundll32.exe File opened for modification C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\Microsoft.Build.Engine.dll rundll32.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\demux\librawdv_plugin.dll rundll32.exe File created C:\Program Files (x86)\Common Files\microsoft shared\Triedit\de-DE\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Search5.api rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD10307_.GIF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01761_.WMF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02058U.BMP rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\CATALOG.XML rundll32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\scrapbook.png rundll32.exe File created C:\Program Files\7-Zip\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGPQUOT.XML rundll32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\web.xml rundll32.exe File opened for modification C:\Program Files\7-Zip\7z.exe rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Stationery\1033\JUNGLE.HTM rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\MedianResume.Dotx rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD14515_.GIF rundll32.exe File opened for modification C:\Program Files\Common Files\System\msadc\msadcs.dll rundll32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\WhiteDot.png rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\de-DE\msader15.dll.mui rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR46F.GIF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\FAX\UrbanFax.Dotx rundll32.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\playlist\koreus.luac rundll32.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.y11o7dcib\DefaultIcon rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.y11o7dcib rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.y11o7dcib\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico" rundll32.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1KB
MD5726ce44468fd2f6ae38e2e4bf2baee96
SHA173afb5947c8ad295ea6b1b70826402346c070935
SHA256b54d6dde66a659069e69c8bac9af629b40f4907c1fc7b9fc1f76d5eb42384e50
SHA512b26709072cc866150c492f92a6a1483a8582f6145cf8cfc10230797c9e0960e063fda58e2741ae1ed88ded0480184b2264b59d1554030df0cfd8afa2ca8c5113