General

  • Target
    Venus.exe
  • Size 225KB
  • Sample230130-t9cdgabb67
  • SHA256 4f92e2f752e4b0b30193d53375cd2fbd4beff02db9d6b3b6cadbf3b50e503498
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\README.html

Ransom Note
  • <html><head><title>Venus</title><style type = "text/css">*{padding:0;margin:0}p{color:white}.f{background-color:#ff7c00;width:100%;margin-left:auto;margin-right:auto;height:100%}.c h1{color:white;line-height:80px}.r{word-break:break-all;float:left;width:100%;text-align:center}</style></head><body><div class="f"><div class="c"><h1 align="center">&lt;&lt;&lt;Venus&gt;&gt;&gt;</h1></div><div class="r"><p></br></br></br></br><strong>We downloaded and encrypted your data.</strong></br>Only we can decrypt your data.<br><strong>IMPORTANT!</strong><br> If you, your programmers or your friends would try to help you to decrypt the files it can cause data loss even after you pay.<br> In this case we will not be able to help you.<br>Do not play with files.</p><p>Do not rename encrypted files.<br>Do not try to decrypt your data using third party software, it may cause permanent data loss.<br>Decryption of your files with the help of third parties may cause increased price or you can become a victim of a scam.</br>-----------------------------------------------------</br>Contact and send this file to us:<br><strong><br>email:[email protected]<br>email:[email protected]<br></strong><br><br>LNCLNWs7Gb1e8vB+wHPthFw7mpeo4QOCJH2S6Qr7jQrFC50Thgv08BVsFuHfiNN/ 3T+hpuihskopRXwAAefrvIcWPAroIbgpe+0CIWSF4qK8p1uO+PINW3ejnYYskBCF EEvzXaNL6aDWDGJVDN4obfW6SM2dZku7EtqknAwSsWT6b3yZGuJJaPAMiLKt6e6J nveVccQaJM4ExjcsGURVaLZG1hr9GOyiwhg2Jc9U7ITjzjEuD0Fys3kq1LzquP2K gAKzfra+6Ocg5UVJF957EOl4nmnkX+8A1AjUm3Bw+7J/9ugl2whgepL00Sz+6+7m LeLEonhNS3t6DL9QTUPsLdbuMmAVNfCrr9qpuYlCunV123VxixVvcR+ttFeOBSRu rwOmffYSpcwLzXhvde/VXZuoJ31bT7FTbPfmz7miuKXX+pBNCznFouNJayDKgPi+ H/wmceZyHzRkBmO0UP3KEJ4eqbzwYlQ6Ky3jSrE7u2Qak1psSIqzGCqk8tVBRWmQ W6MgcoOy2AarXvVTNPsuqLzcu8nANONPfMwS/yVcpg7ivGa9ouTTysXDtHteX31d RG/bmBldLnq3cOiOD7C47kkFi7Zq3o2iIdmdDTreSCX3TLIAhCHTSMEDdXRycbkO UtsnJeW02pc= </p></div></body></html></html></body></html>
Emails

Extracted

Path
  • C:\Users\Admin\AppData\Local\Temp\16165406601972527219.hta

Ransom Note
  • <<<Venus>>> We downloaded and encrypted your data.Only we can decrypt your data.IMPORTANT! If you, your programmers or your friends would try to help you to decrypt the files it can cause data loss even after you pay. In this case we will not be able to help you. Do not play with files. 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 or you can become a victim of a scam.-----------------------------------------------------Contact and send this file to us: email:[email protected] email:[email protected]
Emails

Targets

    • Target
      Venus.exe
    • Size 225KB
    • SHA256 4f92e2f752e4b0b30193d53375cd2fbd4beff02db9d6b3b6cadbf3b50e503498
    • MD5 SHA1 SHA512 SSDEEP
    • Venus

      Venus is a ransomware first seen in 2022.

    • Venus Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Executes dropped EXE

    • 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.

    • Deletes itself

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks