General

  • Target

    8f0ef21b5de9e86fb84f39100d232d31.bin

  • Size

    89KB

  • Sample

    240203-daqttahfep

  • MD5

    36b101b3a1e6a6cb40af6bc21c05749f

  • SHA1

    2dc49b8d24c3a7190b2e21aa4df86fe418999687

  • SHA256

    74586ff5fdfb9e3afec8d962afd021eef89d7c3bec0fade8715e442b6c904f53

  • SHA512

    3acf29ecf23a57d2b2e0a7f9f382459e578a2a6c2575b1616ea0b08a18f092917e1d6e7da0b2eaabcd261852cf6c7915899f1856d7d5cee21c497d36cb8526dd

  • SSDEEP

    1536:4+r2bMJmQMVi1gIIhKDlVySLtKPzLAjWWnjEjn5p/+3O7cTtF53Fct0E6UyXn:BrCTQSi1RIcDqqqzLAjznwjn/vYTtnP7

Malware Config

Extracted

Family

gafgyt

C2

239.255.255.250:1900

Targets

    • Target

      8bfbd5faf2dd2dfb76e60c14d010fbf1bcbe980950528709ceac4edc9f003c6a.elf

    • Size

      215KB

    • MD5

      8f0ef21b5de9e86fb84f39100d232d31

    • SHA1

      dc251a7d8f85c9f22dcd88cdc1db553b2414837d

    • SHA256

      8bfbd5faf2dd2dfb76e60c14d010fbf1bcbe980950528709ceac4edc9f003c6a

    • SHA512

      2e2f07bddeaad98deef73b88054af5496dcf1dc5c716e31b92689601e939c535fc11eec69306755f29aed50f768ea09c3fc34967fb770d43df1f709a499ebf04

    • SSDEEP

      6144:+dta8mHLmWskspb7HI+YnFavgBE6OCTI6c3m:+dta82xZAjsnwvgBE6OCTI6Wm

    • Contacts a large (204549) 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.

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

MITRE ATT&CK Enterprise v15

Tasks