General

  • Target
    LogonUIInstaller.exe
  • Size 2.6MB
  • Sample260903-x6pfeavbph
  • SHA256 5a417175ea1c572fe5dc9f85fa597f59bfe43d40b14eed868f55262fd747129f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      LogonUIInstaller.exe
    • Size 2.6MB
    • SHA256 5a417175ea1c572fe5dc9f85fa597f59bfe43d40b14eed868f55262fd747129f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Possible privilege escalation attempt

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies file permissions

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks