General

  • Target

    26836b09f1f8d4123323a447fdac8779169335fba4d0e8f857dbdae077d720eb

  • Size

    422KB

  • Sample

    250108-bj98psxlhy

  • MD5

    3cb923fae2c735822a896bcafec55428

  • SHA1

    2f4313aa7edff75090168bd85c536e25c70f0b8b

  • SHA256

    26836b09f1f8d4123323a447fdac8779169335fba4d0e8f857dbdae077d720eb

  • SHA512

    17f39f33a0c644d83d41c1347f02ac6c1b37a07107ca203f5366d1c857b9bc4dc68d586d907484c357bbb80b90dc3b243a47b35e32c98e2f1e638076a9d537b2

  • SSDEEP

    12288:ZPmmYhHlM/XoLSf0Ghz99G3SeR1NzMsJ7V:ppYhHlQvzKR/MsJh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evico
  • Password:
    Doll650#@

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evico
  • Password:
    Doll650#@

Targets

    • Target

      BL No. CROAKCGP243451, CROAKCGP243455, CROAKCGP243456/BL No. CROAKCGP243451, CROAKCGP243455, CROAKCGP243456.exe

    • Size

      920KB

    • MD5

      219a95000b6d3aaa75463c5a2b5d0a23

    • SHA1

      4d0756f8fed9f292cf2da488cbcf86cc8b55074b

    • SHA256

      c413ed27fe8d4271dd5d6965632a60e97a6e5d53e1e8aaf09375ce4c8708213b

    • SHA512

      bb5252714a6ea4865c54fb8ae9f83a5c9b6c190571f0cdc63f743a5b70a982b53492155b64fd3b0a2891e64360c3e8bddea3a54336bbae662ba0df83ba79ddae

    • SSDEEP

      12288:Oh4HTLUkSr6KBgC0fLjbHEoBKy0aMaSzOKy2r7SPN1ndm:1TLUkS+K30fzHj9MaSSKy2/SPN1ng

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Agenttesla family

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks