General

  • Target

    rrrdsl.elf

  • Size

    209KB

  • Sample

    250307-ry8ana1yey

  • MD5

    821541bd01bc2ffea29f2baf9ad41130

  • SHA1

    b2de1f68a385ce4c5d5127b8fa6a7e8292681040

  • SHA256

    5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64

  • SHA512

    36653c12abcd5bb355794e1570007c997fe9f359ed14eeae01a5f1f61d69e31fd83c904058a962bb06cde0ce3e29aad9a46fab1c453e69e28b16d6a51a113c69

  • SSDEEP

    3072:3OtyYRRCS/uJIA/tIusWkt5s33HKrc8xHiD/:3OtpRRCS/uCFWQ582/xC

Malware Config

Targets

    • Target

      rrrdsl.elf

    • Size

      209KB

    • MD5

      821541bd01bc2ffea29f2baf9ad41130

    • SHA1

      b2de1f68a385ce4c5d5127b8fa6a7e8292681040

    • SHA256

      5b6a3ddaea69d6a2b4bde62a543fefb22c055e6f3b0165d415d00e12c62bdb64

    • SHA512

      36653c12abcd5bb355794e1570007c997fe9f359ed14eeae01a5f1f61d69e31fd83c904058a962bb06cde0ce3e29aad9a46fab1c453e69e28b16d6a51a113c69

    • SSDEEP

      3072:3OtyYRRCS/uJIA/tIusWkt5s33HKrc8xHiD/:3OtpRRCS/uCFWQ582/xC

    • Contacts a large (6734) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Deletes Audit logs

      Deletes logs related to the Linux Audit framework.

    • Deletes itself

    • Deletes journal logs

      Deletes systemd journal logs. Likely to evade detection.

    • Modifies Watchdog functionality

      Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Writes file to system bin folder

MITRE ATT&CK Enterprise v15

Tasks