General

  • Target
    e751f04ca10540e0519521f2f5081542_JaffaCakes118
  • Size 4.2MB
  • Sample240917-vs627avcmj
  • SHA256 357acbacdb9069b8484f4fdead1aa946e2eb4a505583058f91f40903569fe3f3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • kaiji

C2
  • 1.versionday.xyz:41414

Targets

    • Target
      e751f04ca10540e0519521f2f5081542_JaffaCakes118
    • Size 4.2MB
    • SHA256 357acbacdb9069b8484f4fdead1aa946e2eb4a505583058f91f40903569fe3f3
    • MD5 SHA1 SHA512 SSDEEP
    • Kaiji

      Kaiji payload

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

    • Executes dropped EXE

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

    • Write file to user bin folder

    • Modifies Bash startup script

MITRE ATT&CK Enterprise v15

Tasks