Analysis
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max time kernel
150s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
18-12-2024 12:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
764b1117262d33f0a69b4f4c72fad607b7c71c262f60b9b2b35a21e7f4967786.bin.dll
Resource
win7-20241010-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
764b1117262d33f0a69b4f4c72fad607b7c71c262f60b9b2b35a21e7f4967786.bin.dll
Resource
win10v2004-20241007-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
764b1117262d33f0a69b4f4c72fad607b7c71c262f60b9b2b35a21e7f4967786.bin.dll
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Size
1023KB
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MD5
08378cd36fdbf69dba24d14393ad564d
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SHA1
c698e08ff114499e9fecf39fcbf23f652f1cdad8
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SHA256
764b1117262d33f0a69b4f4c72fad607b7c71c262f60b9b2b35a21e7f4967786
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SHA512
ef831fc12ad4831e180c9e5e9babbf1a2d8675a918992fc6f5306447b30e12de63e5034124e31a2d9517db4322e7aaf4a01cecf3239f2c6f6d459358849ef197
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SSDEEP
12288:jbXTgrBCnMCz5WYgeWYg955/155/UqgFUHx2lvyRJbhLvTcT+sqnhDik2BBD+/rF:jbTgrBCnjzgsKrd7m4+OmMlaT2BZSP2
Score
10/10
Malware Config
Extracted
Path
C:\Program Files\instructions_read_me.txt
Family
blackbasta
Ransom Note
ATTENTION!
Your network has been breached and all data was encrypted. Please contact us at:
https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/
Login ID: 3dd718a3-db04-485f-b882-250349c8a4de
*!* To access .onion websites download and install Tor Browser at:
https://www.torproject.org/ (Tor Browser is not related to us)
*!* To restore all your PCs and get your network working again, follow these instructions:
- Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. It doesn't matter, who are trying to do this, either it will be your IT guys or a recovery agency.
Please follow these simple rules to avoid data corruption:
- Do not modify, rename or delete files. Any attempts to modify, decrypt or rename the files will lead to its fatal corruption.
- Do not hire a recovery company. They can't decrypt without the key.
They also don't care about your business. They believe that they are
good negotiators, but it is not. They usually fail. So speak for yourself.
Waiting you in a chat.
URLs
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 (1573) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\xul.dll rundll32.exe File created C:\Program Files (x86)\MSBuild\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\DirectDB.dll rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.BusinessData.xml rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONBttnPPT.dll rundll32.exe File created C:\Program Files (x86)\Windows Photo Viewer\fr-FR\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\tpcps.dll rundll32.exe File opened for modification C:\Program Files\Windows NT\TableTextService\it-IT\TableTextService.dll.mui rundll32.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\psuser_64.dll rundll32.exe File opened for modification C:\Program Files\Internet Explorer\jsdebuggeride.dll rundll32.exe File created C:\Program Files\Windows Mail\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft.NET\RedistList\AssemblyList_4_extended.xml rundll32.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_Buttongraphic.png rundll32.exe File opened for modification C:\Program Files\Microsoft Games\Chess\Chess.exe rundll32.exe File opened for modification C:\Program Files\Windows Journal\en-US\jnwdui.dll.mui rundll32.exe File opened for modification C:\Program Files\Windows NT\Accessories\ja-JP\wordpad.exe.mui rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\MSB1CACH.LEX rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadcfr.dll rundll32.exe File opened for modification C:\Program Files\Mozilla Firefox\omni.ja rundll32.exe File opened for modification C:\Program Files\Microsoft Office\Office14\AUTHZAX.DLL rundll32.exe File opened for modification C:\Program Files\Windows Media Player\it-IT\wmpnscfg.exe.mui rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSCOL11.PPD rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\atl.dll rundll32.exe File opened for modification C:\Program Files\Mozilla Firefox\xul.dll.sig rundll32.exe File created C:\Program Files (x86)\Microsoft Office\Document Themes 14\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\mip.exe rundll32.exe File created C:\Program Files\Windows Sidebar\ja-JP\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Elemental.thmx rundll32.exe File created C:\Program Files (x86)\Microsoft SQL Server Compact Edition\v3.5\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Windows Media Player\en-US\setup_wm.exe.mui rundll32.exe File opened for modification C:\Program Files (x86)\Windows Media Player\Skins\Revert.wmz rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadcf.dll rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AN01174_.WMF rundll32.exe File created C:\Program Files\Windows Journal\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Windows Media Player\es-ES\WMPDMC.exe.mui rundll32.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\fr-FR\PhotoViewer.dll.mui rundll32.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsnld.xml rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\vi.txt rundll32.exe File opened for modification C:\Program Files\Windows Journal\en-US\JNTFiltr.dll.mui rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBTRAP.DLL rundll32.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\fr-FR\sbdrop.dll.mui rundll32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\README.txt rundll32.exe File opened for modification C:\Program Files\Java\jre7\LICENSE rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00130_.GIF rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00172_.GIF rundll32.exe File created C:\Program Files\Microsoft Games\Solitaire\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\Windows Media Player\Media Renderer\DMR_120.png rundll32.exe File opened for modification C:\Program Files (x86)\Internet Explorer\en-US\ieinstal.exe.mui rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msadco.dll rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\msdfmap.dll rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe rundll32.exe File created C:\Program Files\Microsoft Games\FreeCell\en-US\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\adcvbs.inc rundll32.exe File opened for modification C:\Program Files\DismountHide.vbe rundll32.exe File opened for modification C:\Program Files\Mozilla Firefox\ucrtbase.dll rundll32.exe File opened for modification C:\Program Files\Windows Defender\MpRTP.dll rundll32.exe File opened for modification C:\Program Files\7-Zip\Lang\sl.txt rundll32.exe File opened for modification C:\Program Files\Java\jre7\THIRDPARTYLICENSEREADME-JAVAFX.txt rundll32.exe File created C:\Program Files (x86)\Adobe\Reader 9.0\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files (x86)\Windows Media Player\it-IT\WMPMediaSharing.dll.mui rundll32.exe File created C:\Program Files\Common Files\Microsoft Shared\VC\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe rundll32.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD19563_.GIF rundll32.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.7wdojib58\DefaultIcon rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.7wdojib58 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.7wdojib58\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
MD54ba06d41a13bc5f4ddc71cf6a48cf231
SHA1d83c4640b36339549130fcb008c6f5c8a6d67676
SHA2568e29eb9f02be51cbdc99f8ec9b90fb29f47806f9ca804590de548d5e06f47db5
SHA5129fe3e0546ece1c74b2b3f188fafb024309bb1048ce997c334a6fed9b9638f11aa0dc99784546241fc28893b207a239ed21f8189a51bd801bc65334bd082da88c