Analysis
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max time kernel
149s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
21-12-2024 16:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe
Resource
win7-20241010-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe
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Size
649KB
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MD5
90e69700399e2b75d7e09b84185640c7
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SHA1
cce479af71b73f1d0c5226b87894aeb5c24aeed2
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SHA256
15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739
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SHA512
5bdcecad4af71631278e7d00fd9056a6b62be6212e7f7e00d75e08207ca41fbe3e075ca0699cc963039deb5190225bde16a5522b5ca6c7d943e3b5df80750ceb
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SSDEEP
12288:4ofNGhJvRjVUWEFvScnf316z/OF/NqDxf4qLO1BhwTkwJcqea4VOF:4ofNGhJvRJGf3oJ9f4qLqBhsJveg
Score
10/10
Malware Config
Extracted
Path
C:\Program Files\instructions_read_me.txt
Family
blackbasta
Ransom Note
Hello!
If you are reading this, it means we have encrypted your data and took your files.
DO NOT PANIC! Yes, this is bad news, but we will have a good ones as well.
YES, this is entirely fixable!
Our name is BlackBasta Syndicate, and we are the largest, most advanced, and most prolific organized group currently existing. We are the ultimate cyber tradecraft with a credential record of taking down the most advanced, high-profile, and defended companies one can ever imagine. You can Google us later; what you need to know now is that we are business people just like you.
We have your data and encrypted your files, but in less than an hour, we can put things back on track: if you pay for our recovery services, you get a decryptor, the data will be deleted from all of our systems and returned to you, and we will give you a security report explaining how we got you.
Please contact us at: https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/
Login: 94351e51-1b7a-4b52-8170-a8c42c418cac
This is a link to a secure chat. We will talk there. Inside that chat, we will share a second designated link that only your special team will be able to see.
For now, think about the following.
This incident hits your network and is stopping you from operating properly. The sooner you get back on track, the better it is.
See you in the secure 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 (4224) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Local\\Temp\\15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe" 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\omni.ja 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Common Files\DESIGNER\MSADDNDR.DLL 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\VideoLAN\VLC\skins\skin.dtd 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Updater6\Adobe_Updater.exe 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD01170_.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0152890.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA00530_.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA02066_.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGLBL002.XML 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PROOF\MSTH7FR.LEX 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\VSTA\Bin\VSTAClientPkg.dll 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\logo.png 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_specialocc_Thumbnail.bmp 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Java\jre7\bin\jsoundds.dll 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105396.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107264.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0315447.JPG 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGWEBREF.XML 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Windows Journal\jnwppr.dll 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Windows Mail\ja-JP\WinMail.exe.mui 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099186.JPG 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\OCLTINT.DLL 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGMN096.XML 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\RELEASE-NOTES.html 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\GRPHFLT\EPSIMP32.FLT 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\AG00154_.GIF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02412K.JPG 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Mozilla Firefox\IA2Marshal.dll 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabimp.dll 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File created C:\Program Files\7-Zip\Lang\instructions_read_me.txt 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\AUDIOSEARCHSAPIFE.DLL 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OIMG.DLL 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0297269.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\JNGLE_01.MID 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0240695.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0281904.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\EquityMergeLetter.Dotx 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\BDRTKFUL.POC 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Peacock.htm 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\handler.reg 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105846.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\BIZFORM.DPV 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Stationery\1033\NOTEBOOK.JPG 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\main.html 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD00155_.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD20013_.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107490.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\DVD Maker\en-US\OmdProject.dll.mui 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\SaveMerge.cr2 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Windows NT\TableTextService\TableTextServiceSimplifiedQuanPin.txt 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Spades\Shvl.dll 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD00117_.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD00382_.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0296288.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\Mozilla Firefox\dependentlibs.list 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\7-Zip\Lang\ka.txt 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File created C:\Program Files (x86)\Common Files\SpeechEngines\instructions_read_me.txt 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105234.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0195342.WMF 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0287642.JPG 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0382925.JPG 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.kg0l3jigq 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.kg0l3jigq\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico" 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.kg0l3jigq\DefaultIcon 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2316 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe 2316 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2316 wrote to memory of 1952 2316 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe 30 PID 2316 wrote to memory of 1952 2316 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe 30 PID 2316 wrote to memory of 1952 2316 15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe"C:\Users\Admin\AppData\Local\Temp\15d891d682d73514401f65f0bd769d27f777462c31c7815e1a0fe119a41ea739.exe"1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet2⤵PID:1952
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5474f9f8e33d15810aeae38d13b7022f2
SHA1855c8e02a569de0af43349ebf8709f9085f7e1a4
SHA256a2d05305ced99c19bcf8ee2b9bf0de7436738efa4c5113a1fba4157ab3360c66
SHA5125aea1d996d13359c8a9b17c5c2b43e3443daed6d66774dbc3cfe6324b17dee74725df67c92b5e97c98a3c2b9a0e4a014f6eec7e028ae60c7daed9c53883f923a