General

  • Target

    2024-11-06_5cdde24177858b86d8e3eb3704a541ff_virlock

  • Size

    724KB

  • Sample

    241106-e43adatpat

  • MD5

    5cdde24177858b86d8e3eb3704a541ff

  • SHA1

    eaa1358638387ff52a9f58d75269bf4db2700d1f

  • SHA256

    8e5da83c8f15f149b89ff4acec10afe3c88a8d9fe4737b2266f83e6d7ce0a21d

  • SHA512

    33936a58b6a4778d975ea4b359698b38aaf05f1bf2f7505bfa756207041a91ae59a864eda4b7e830957233133f3333cc527a990d7ec64f969a53056d03fd81c6

  • SSDEEP

    12288:YEfCoWYnPEaCrDAHK/l/XjgLJM1tOYBtG5Wowy74EPQu/W8Ymlgm4hzPMFTyQ1M6:ldcaGLN/TqM1tOYmHwypp1/lgmxFyCoE

Malware Config

Targets

    • Target

      2024-11-06_5cdde24177858b86d8e3eb3704a541ff_virlock

    • Size

      724KB

    • MD5

      5cdde24177858b86d8e3eb3704a541ff

    • SHA1

      eaa1358638387ff52a9f58d75269bf4db2700d1f

    • SHA256

      8e5da83c8f15f149b89ff4acec10afe3c88a8d9fe4737b2266f83e6d7ce0a21d

    • SHA512

      33936a58b6a4778d975ea4b359698b38aaf05f1bf2f7505bfa756207041a91ae59a864eda4b7e830957233133f3333cc527a990d7ec64f969a53056d03fd81c6

    • SSDEEP

      12288:YEfCoWYnPEaCrDAHK/l/XjgLJM1tOYBtG5Wowy74EPQu/W8Ymlgm4hzPMFTyQ1M6:ldcaGLN/TqM1tOYmHwypp1/lgmxFyCoE

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (85) 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks