General

  • Target
    simple-sticky-notes-6.9-installer.exe
  • Size 2.0MB
  • Sample260803-nc45bsvhrb
  • SHA256 58178146381677b9e79da12a86c2436d8b16a8877dcb6b483847bc92c54969d9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      simple-sticky-notes-6.9-installer.exe
    • Size 2.0MB
    • SHA256 58178146381677b9e79da12a86c2436d8b16a8877dcb6b483847bc92c54969d9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks for any installed AV software in registry

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks