General

  • Target

    2024-11-06_eb1ed45871a228829fd767caf8a9e68b_virlock

  • Size

    565KB

  • Sample

    241106-db9nbasnhz

  • MD5

    eb1ed45871a228829fd767caf8a9e68b

  • SHA1

    9a5263907fc0a8b441ece1209df9d69cd6183036

  • SHA256

    2327093a4d4dd38ddd8e1c5dbeca6e7bb89d25f299d2a2f69a37b2e605cbf619

  • SHA512

    2ac55c2dc24d74bf0cbcc2e393785e105aa1dcca24553e2a7f4d8e8cb32f368f957f38a253a8d96464376eaae5556ca043e8a866b86a15a1846835606e8b3273

  • SSDEEP

    12288:cp5EV38aaBTXdxkyNLxON2cJX5xBHAbnHfqpjVKLrQvG:W5A3vaB7bkmLxOccJX5/HCqpjcrQvG

Malware Config

Targets

    • Target

      2024-11-06_eb1ed45871a228829fd767caf8a9e68b_virlock

    • Size

      565KB

    • MD5

      eb1ed45871a228829fd767caf8a9e68b

    • SHA1

      9a5263907fc0a8b441ece1209df9d69cd6183036

    • SHA256

      2327093a4d4dd38ddd8e1c5dbeca6e7bb89d25f299d2a2f69a37b2e605cbf619

    • SHA512

      2ac55c2dc24d74bf0cbcc2e393785e105aa1dcca24553e2a7f4d8e8cb32f368f957f38a253a8d96464376eaae5556ca043e8a866b86a15a1846835606e8b3273

    • SSDEEP

      12288:cp5EV38aaBTXdxkyNLxON2cJX5xBHAbnHfqpjVKLrQvG:W5A3vaB7bkmLxOccJX5/HCqpjcrQvG

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (82) 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