General

  • Target
    Ransomware.TeslaCrypt.zip
  • Size 479KB
  • Sample260125-wcdalscv3g
  • SHA256 3b246faa7e4b2a8550aa619f4da893db83721aacf62b46e5863644a5249aa87e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370
    • Size 284KB
    • SHA256 3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370
    • MD5 SHA1 SHA512 SSDEEP
    • TeslaCrypt, AlphaCrypt

      Ransomware based on CryptoLocker. Shut down by the developers in 2016.

    • Teslacrypt family

    • Renames multiple (4450) files with added filename extension

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

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Target
      51B4EF5DC9D26B7A26E214CEE90598631E2EAA67
    • Size 257KB
    • SHA256 9b462800f1bef019d7ec00098682d3ea7fc60e6721555f616399228e4e3ad122
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      E906FA3D51E86A61741B3499145A114E9BFB7C56
    • Size 261KB
    • SHA256 afaba2400552c7032a5c4c6e6151df374d0e98dc67204066281e30e6699dbd18
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks