Extracted

Extracted

• • Target

    00dd4a371156258e4fe3c421c044b0244500df971ae37b8ea6650fd45ad8c9de

  • Size

    448KB

  • MD5

    bf7b854542cfa423dee3b7233c4a255e

  • SHA1

    a9b09989972cc063b34c4afcd82ebe9203d61be2

  • SHA256

    00dd4a371156258e4fe3c421c044b0244500df971ae37b8ea6650fd45ad8c9de

  • SHA512

    147205767585c86b29435ca44a605d06208b7e126007fbc3d5a8c1a30896f03c0d832c07608895cd1e14b3966853306ebac1058f02c2e68efc8f89fad938cada

  Score

  10^/10

  ryukdiscoveryransomware

  • Ryuk

    Ransomware distributed via existing botnets, often Trickbot or Emotet.

    ransomwareryuk

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomware

  • Drops file in Drivers directory

  • Executes dropped EXE

  • Modifies extensions of user files

    Ransomware generally changes the extension on encrypted files.

    ransomware

  • Checks computer location settings

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

  • Drops startup file

  • Modifies file permissions

    discovery

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2