General

  • Target

    nklx86.elf

  • Size

    45KB

  • Sample

    250310-cf82xaywgw

  • MD5

    6914e27a369a506dac398d5b02b49bfa

  • SHA1

    afeb496bc56794f7214e506ae26de372c03c9c1e

  • SHA256

    2cc620e872ebc0034a976b5d0b3eedcef85220633f14d51293695d8c4965bbe6

  • SHA512

    2317bf5e6e83bacffdc6d7be0200c3f20cbea86892f97f68a7f0fb11066bd43d66e9eccafdb1856e88bfe8d220621ff12ce40d7933070637711f675ba651053e

  • SSDEEP

    768:jC6EE7aKEP4FNt1B0jsoWHCuvAaYKPfgTe3wfac9VuXu3pL:m6EE7aKEP4Fz1yQJHCuCKr3wyc9V8u3B

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      nklx86.elf

    • Size

      45KB

    • MD5

      6914e27a369a506dac398d5b02b49bfa

    • SHA1

      afeb496bc56794f7214e506ae26de372c03c9c1e

    • SHA256

      2cc620e872ebc0034a976b5d0b3eedcef85220633f14d51293695d8c4965bbe6

    • SHA512

      2317bf5e6e83bacffdc6d7be0200c3f20cbea86892f97f68a7f0fb11066bd43d66e9eccafdb1856e88bfe8d220621ff12ce40d7933070637711f675ba651053e

    • SSDEEP

      768:jC6EE7aKEP4FNt1B0jsoWHCuvAaYKPfgTe3wfac9VuXu3pL:m6EE7aKEP4Fz1yQJHCuCKr3wyc9V8u3B

    • Contacts a large (187395) 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 Watchdog functionality

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

    • Renames itself

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Enumerates running processes

      Discovers information about currently running processes on the system

MITRE ATT&CK Enterprise v15

Tasks