General

  • Target
    dl.sh
  • Size 622B
  • Sample260929-phebjazbnb
  • SHA256 e63cf3ce1a71ea69d596056cb212337c38ee4740b22f73b5bd64ffd47cbc0d7a
  • MD5 SHA1 SHA512 TLSH

Malware Config

Targets

    • Target
      dl.sh
    • Size 622B
    • SHA256 e63cf3ce1a71ea69d596056cb212337c38ee4740b22f73b5bd64ffd47cbc0d7a
    • MD5 SHA1 SHA512 TLSH
    • 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 rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

    • Modifies systemd

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

    • Write file to user bin folder

    • Modifies Bash startup script

    • Reads process memory

      Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks