General

  • Target

    hoodlum.i586.elf

  • Size

    107KB

  • Sample

    250222-vqyb9svkhq

  • MD5

    b8860e33ab9767d7cc38e10dda5ffcad

  • SHA1

    2d3c691ccadaa36f4ac4383b9131707d03dfdc84

  • SHA256

    bef49b6194de69c6a390caead8ec74e6c0641b911699b3ffb9c9856509883c8e

  • SHA512

    b60f4adea683146001f8660503d54f2c9c46df1beab840c1b080505c73d3e847590279575b3b8ac4ae1de089bfb440a5dffc15d27fdac9ee75052c647c1060af

  • SSDEEP

    3072:E/opUnUp90MjphxhZsd18tl3xzELtpD5hqYkWmu80CjKaIU:L0690MjphxDsdklhzELD5hqY9mu80C+E

Malware Config

Extracted

Family

gafgyt

C2

37.44.238.66:23

Targets

    • Target

      hoodlum.i586.elf

    • Size

      107KB

    • MD5

      b8860e33ab9767d7cc38e10dda5ffcad

    • SHA1

      2d3c691ccadaa36f4ac4383b9131707d03dfdc84

    • SHA256

      bef49b6194de69c6a390caead8ec74e6c0641b911699b3ffb9c9856509883c8e

    • SHA512

      b60f4adea683146001f8660503d54f2c9c46df1beab840c1b080505c73d3e847590279575b3b8ac4ae1de089bfb440a5dffc15d27fdac9ee75052c647c1060af

    • SSDEEP

      3072:E/opUnUp90MjphxhZsd18tl3xzELtpD5hqYkWmu80CjKaIU:L0690MjphxDsdklhzELD5hqY9mu80C+E

    • Deletes Audit logs

      Deletes logs related to the Linux Audit framework.

    • Deletes journal logs

      Deletes systemd journal logs. Likely to evade detection.

    • Flushes firewall rules

      Flushes/ disables firewall rules inside the Linux kernel.

    • Loads a kernel module

      Loads a Linux kernel module, potentially to achieve persistence

    • Abuse Elevation Control Mechanism: Sudo and Sudo Caching

      Abuse sudo or cached sudo credentials to execute code.

    • Deletes log files

      Deletes log files on the system.

    • Enumerates running processes

      Discovers information about currently running processes on the system

MITRE ATT&CK Enterprise v15

Tasks