General

  • Target
    Terentiy.exe
  • Size 639KB
  • Sample260819-wketeasvay
  • SHA256 47db89d29ee6f78f8738e9c9702adcc51d6d0c1337ccf29667268b9225dae7a2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Terentiy.exe
    • Size 639KB
    • SHA256 47db89d29ee6f78f8738e9c9702adcc51d6d0c1337ccf29667268b9225dae7a2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Renames multiple (823) files with added filename extension

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

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Disables cmd.exe use via registry modification

    • Disables use of System Restore points

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Impair Defenses: Safe Mode Boot

    • 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)

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks