General

  • Target

    hoodlum.arm5.elf

  • Size

    176KB

  • Sample

    250222-vtmd6stpcy

  • MD5

    2b53d328406f21f18f0930ce47556dca

  • SHA1

    becfbb4b3a4c072f51e0080922de28aebeb3ef71

  • SHA256

    10962293ec817a48997b8d2c9e4a43610373a35fe7360937f261e5d278fdef7e

  • SHA512

    81107e7c660809fde0c6740412a2570b9275d0024cef2766fe2f730d4391c709fcf76e5d06aa8162bd6a43eb9dd8700de09151610147037a75443bf75bb6db0e

  • SSDEEP

    3072:NBx2mxpI1Tzhm4yjeBaHX2b+/h81pNV2OnZW5hBL22WJV70+w2mowhbRWz3e:NJCBaHX2bE81sOng5hBL22WJV70p2mo8

Malware Config

Extracted

Family

gafgyt

C2

37.44.238.66:23

Targets

    • Target

      hoodlum.arm5.elf

    • Size

      176KB

    • MD5

      2b53d328406f21f18f0930ce47556dca

    • SHA1

      becfbb4b3a4c072f51e0080922de28aebeb3ef71

    • SHA256

      10962293ec817a48997b8d2c9e4a43610373a35fe7360937f261e5d278fdef7e

    • SHA512

      81107e7c660809fde0c6740412a2570b9275d0024cef2766fe2f730d4391c709fcf76e5d06aa8162bd6a43eb9dd8700de09151610147037a75443bf75bb6db0e

    • SSDEEP

      3072:NBx2mxpI1Tzhm4yjeBaHX2b+/h81pNV2OnZW5hBL22WJV70+w2mowhbRWz3e:NJCBaHX2bE81sOng5hBL22WJV70p2mo8

    • Deletes Audit logs

      Deletes logs related to the Linux Audit framework.

    • Deletes itself

    • Deletes journal logs

      Deletes systemd journal logs. Likely to evade detection.

    • Flushes firewall rules

      Flushes/ disables firewall rules inside the Linux kernel.

    • Writes DNS configuration

      Writes data to DNS resolver config file.

    • 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

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

MITRE ATT&CK Enterprise v15

Tasks