Extracted

• • Target

    MTM4OWYz.exe

  • Size

    127KB

  • MD5

    e8673c8a299d1647ead6f3da4565ac54

  • SHA1

    71015f9c281038d63bf7cd45894550c1a26c6b53

  • SHA256

    d0d7a8f588693b7cc967fb4069419125625eb7454ba553c0416f35fc95307cbe

  • SHA512

    90ad0b12c8de7e22c997f5bfb84f558f7cfd78a1edffdbe45547f545113d7b01077dc5962f3f941e383de390cf946405fd73d890ac9059b8f5a4d491297a72dc

  • SSDEEP

    3072:W/SfjQAr839SVK+DM590tfXQpr8WbkPnkaT3Tb0b:ySfjQAY39SVK+DM0tfXQfqv0

  Score

  10^/10

  ryukdiscoveryransomware

  • Ryuk

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

    ransomwareryuk

  • Renames multiple (62) files with added filename extension

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

    ransomware

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery
  behavioral1behavioral2