Analysis
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max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2023 00:04
Static task
static1
Behavioral task
behavioral1
Sample
blackbasta.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
blackbasta.exe
Resource
win10v2004-20230220-en
General
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Target
blackbasta.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
Signatures
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Modifies extensions of user files 10 IoCs
Ransomware generally changes the extension on encrypted files.
Processes:
blackbasta.exedescription ioc process File opened for modification C:\Users\Admin\Pictures\AddCopy.tifencrypted blackbasta.exe File renamed C:\Users\Admin\Pictures\CheckpointPing.png => C:\Users\Admin\Pictures\CheckpointPing.pngencrypted blackbasta.exe File opened for modification C:\Users\Admin\Pictures\CheckpointPing.pngencrypted blackbasta.exe File renamed C:\Users\Admin\Pictures\EnableUnregister.tiff => C:\Users\Admin\Pictures\EnableUnregister.tiffencrypted blackbasta.exe File opened for modification C:\Users\Admin\Pictures\EnableUnregister.tiffencrypted blackbasta.exe File renamed C:\Users\Admin\Pictures\StartRestore.png => C:\Users\Admin\Pictures\StartRestore.pngencrypted blackbasta.exe File opened for modification C:\Users\Admin\Pictures\StartRestore.pngencrypted blackbasta.exe File renamed C:\Users\Admin\Pictures\AddCopy.tif => C:\Users\Admin\Pictures\AddCopy.tifencrypted blackbasta.exe File renamed C:\Users\Admin\Pictures\ConnectInvoke.crw => C:\Users\Admin\Pictures\ConnectInvoke.crwencrypted blackbasta.exe File opened for modification C:\Users\Admin\Pictures\ConnectInvoke.crwencrypted blackbasta.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
Processes:
blackbasta.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\Desktop\Wallpaper blackbasta.exe -
Drops file in Program Files directory 64 IoCs
Processes:
blackbasta.exedescription ioc process File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_mr.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.muiencrypted blackbasta.exe File opened for modification C:\Program Files\7-Zip\Lang\kaa.txtencrypted blackbasta.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\klist.exeencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Welcome.pdfencrypted blackbasta.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.173.45\msedgeupdateres_mk.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.muiencrypted blackbasta.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.tr-tr.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Mozilla Firefox\ucrtbase.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-phn.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\goopdateres_am.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Mozilla Firefox\api-ms-win-crt-runtime-l1-1-0.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-ppd.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXEencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-pl.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ppd.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ppd.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\j2pkcs11.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSB.DLLencrypted blackbasta.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.173.45\msedgeupdateres_tr.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-phn.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ppd.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-ppd.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-pl.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_PrepidBypass-ppd.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SignalRClient.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exeencrypted blackbasta.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ja-JP\iexplore.exe.muiencrypted blackbasta.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\schemagen.exeencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-pl.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-phn.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPCORE.DLLencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPRESOURCES.DLLencrypted blackbasta.exe File opened for modification C:\Program Files\7-Zip\Lang\nl.txtencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RInt.16.msiencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Mozilla Firefox\browser\omni.jaencrypted blackbasta.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.173.45\msedgeupdateres_it.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\LICENSEencrypted blackbasta.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\include\jvmti.hencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-pl.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exeencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Grace-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ppd.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\db\3RDPARTYencrypted blackbasta.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\jre\Welcome.htmlencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-msencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\mscss7cm_es.dubencrypted blackbasta.exe File opened for modification C:\Program Files\Mozilla Firefox\mozwer.dllencrypted blackbasta.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-pl.xrm-msencrypted blackbasta.exe