General

  • Target
    http://google.com
  • Sample260314-wkla7af16v

Malware Config

Targets

    • Chimera

      Ransomware which infects local and network files, often distributed via Dropbox links.

    • Chimera Ransomware Loader DLL

      Drops/unpacks executable file which resembles Chimera's Loader.dll.

    • Chimera family

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Renames multiple (3453) files with added filename extension

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Office macro that triggers on suspicious action

      Office document macro which triggers in special circumstances - often malicious.

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v16

Tasks