Overview

overview

10

Static

static

10

2023-03-16...ry.exe

windows7-x64

10

2023-03-16...ry.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    2023-03-16_88a65f4208e3527decd4128072084dd8_wannacry.exe
  • Size 238KB
  • Sample230317-e1c63sgc51
  • SHA256 9dab6749bdeef4e92502efed4e21f46f8590b7534d01b93576a63f4ac1e77851
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaosevasionransomwarespywarestealer

Malware Config

Targets

    • Target
      2023-03-16_88a65f4208e3527decd4128072084dd8_wannacry.exe
    • Size 238KB
    • SHA256 9dab6749bdeef4e92502efed4e21f46f8590b7534d01b93576a63f4ac1e77851
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    chaosevasionransomwarespywarestealer

    • Chaos

      Ransomware family first seen in June 2021.

      ransomwarechaos

    • Chaos Ransomware

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • 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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks