General

  • Target
    https://github.com/Da2dalus/The-MALWARE-Repo/tree/master/Banking-Malware
  • Sample260404-rc198abt2y

Malware Config

Targets

    • Target
      https://github.com/Da2dalus/The-MALWARE-Repo/tree/master/Banking-Malware
    • 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

    • Renames multiple (3458) files with added filename extension

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • 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