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General

  • Target

    2024-10-20_f9d35b1c9b54051d612cfbd348a721bb_virlock

  • Size

    287KB

  • Sample

    241020-zgmxdsygla

  • MD5

    f9d35b1c9b54051d612cfbd348a721bb

  • SHA1

    8cca46748d5c40dde8f8544b7ffe1911dd1b6d04

  • SHA256

    ba04809010e2f1122e7543dbe3356b5a2d6acec2a7e2df45aa307f2547a66bc1

  • SHA512

    83a49e5cc13e094db5f972efc34e2a9b7430e09f479c5942f104d2007def810a072a9eaab24e3004407b1e2b0d3c7f70ab5d8b1fa3f7ce7c7b62e1bfce0aa6ce

  • SSDEEP

    6144:kEOLo2CsumIONCLzeuzIf2NiEaXLvKh0JK:kEZ2TumIfXeuzW2NFqK

Malware Config

Targets

    • Target

      2024-10-20_f9d35b1c9b54051d612cfbd348a721bb_virlock

    • Size

      287KB

    • MD5

      f9d35b1c9b54051d612cfbd348a721bb

    • SHA1

      8cca46748d5c40dde8f8544b7ffe1911dd1b6d04

    • SHA256

      ba04809010e2f1122e7543dbe3356b5a2d6acec2a7e2df45aa307f2547a66bc1

    • SHA512

      83a49e5cc13e094db5f972efc34e2a9b7430e09f479c5942f104d2007def810a072a9eaab24e3004407b1e2b0d3c7f70ab5d8b1fa3f7ce7c7b62e1bfce0aa6ce

    • SSDEEP

      6144:kEOLo2CsumIONCLzeuzIf2NiEaXLvKh0JK:kEZ2TumIfXeuzW2NFqK

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (54) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks