General

  • Target

    d5720adb573aa6b64c356951b03299125bad03d91e2100b5f51f365ff6f94ac8

  • Size

    49KB

  • Sample

    220521-xrsvaacdh2

  • MD5

    6af332172c0e2a61f8aa149d0ccb1b90

  • SHA1

    7d7c2c5b0758859ca3a4f8ac34d904c895f4de0f

  • SHA256

    d5720adb573aa6b64c356951b03299125bad03d91e2100b5f51f365ff6f94ac8

  • SHA512

    edb566d50676bdc660de03b15d5a7abdd280c35d1f2957c32521f8b664df9403484660c6094670ab5f111be78102c50094d3a67c3c3e0d9b83e529c417264c42

Malware Config

Targets

    • Target

      d5720adb573aa6b64c356951b03299125bad03d91e2100b5f51f365ff6f94ac8

    • Size

      49KB

    • MD5

      6af332172c0e2a61f8aa149d0ccb1b90

    • SHA1

      7d7c2c5b0758859ca3a4f8ac34d904c895f4de0f

    • SHA256

      d5720adb573aa6b64c356951b03299125bad03d91e2100b5f51f365ff6f94ac8

    • SHA512

      edb566d50676bdc660de03b15d5a7abdd280c35d1f2957c32521f8b664df9403484660c6094670ab5f111be78102c50094d3a67c3c3e0d9b83e529c417264c42

    Score
    10/10
    • suricata: ET MALWARE ELF/Mirai Variant User-Agent (Outbound)

      suricata: ET MALWARE ELF/Mirai Variant User-Agent (Outbound)

    • suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution

      suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution

    • suricata: ET MALWARE Mirai Variant User-Agent (Outbound)

      suricata: ET MALWARE Mirai Variant User-Agent (Outbound)

    • Contacts a large (881436) amount of remote hosts

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

    • Creates a large amount of network flows

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

    • Modifies the Watchdog daemon

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

    • Writes file to system bin folder

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hijack Execution Flow

1
T1574

Privilege Escalation

Hijack Execution Flow

1
T1574

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

1
T1574

Discovery

Network Service Scanning

2
T1046

Tasks