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General

  • Target

    2024-09-15_06f86b3751be57a687683a0ef218e1d6_virlock

  • Size

    262KB

  • Sample

    240915-g45fvazcmb

  • MD5

    06f86b3751be57a687683a0ef218e1d6

  • SHA1

    e681eb1e555aaca0b855038aea0acbb321dac0e2

  • SHA256

    764042b36c584f75bbf43a5e4a8a22013cf3b7c6bf571056cfc648f99514d8b9

  • SHA512

    dfd640bf3ca90ed4d5d40c2ee747b7bdd003547c633a10bfa88f17bc32e90a3251f4987d6cb12e29d1704e908bb002467e96e73d8eae8c32a9737657aef2de42

  • SSDEEP

    6144:HnGJvGd5dNTrDJvRhz13mBQvqt8fzvkOpqcGQ4SFbq75eLoe42F:HcydNTrDBz13Lqt2vkOpkBmq7EoJ2F

Malware Config

Targets

    • Target

      2024-09-15_06f86b3751be57a687683a0ef218e1d6_virlock

    • Size

      262KB

    • MD5

      06f86b3751be57a687683a0ef218e1d6

    • SHA1

      e681eb1e555aaca0b855038aea0acbb321dac0e2

    • SHA256

      764042b36c584f75bbf43a5e4a8a22013cf3b7c6bf571056cfc648f99514d8b9

    • SHA512

      dfd640bf3ca90ed4d5d40c2ee747b7bdd003547c633a10bfa88f17bc32e90a3251f4987d6cb12e29d1704e908bb002467e96e73d8eae8c32a9737657aef2de42

    • SSDEEP

      6144:HnGJvGd5dNTrDJvRhz13mBQvqt8fzvkOpqcGQ4SFbq75eLoe42F:HcydNTrDBz13Lqt2vkOpkBmq7EoJ2F

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (84) 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

MITRE ATT&CK Enterprise v15

Tasks