General

  • Target

    b4af503b7d9179eb808b870b5c8e7315a73b450aa34c7a34b0e04ab37c6b704e

  • Size

    317KB

  • Sample

    250115-bkfeqavrgw

  • MD5

    141bf5870f0ca9970ac435c906c02f94

  • SHA1

    2d42ac258a0d71961ff17a27a6b6a4ee5edcea91

  • SHA256

    b4af503b7d9179eb808b870b5c8e7315a73b450aa34c7a34b0e04ab37c6b704e

  • SHA512

    eafea048ee47c02a5e42010d156a19c1d50a93f28ef07f2f7016c103c30898de62829d241272c42f37ee330242fd21597c3ee8858ef84595efa9fda9d9292c07

  • SSDEEP

    6144:+2xFKNaKy75wu+GO2P1wHfUuG/WggmZP7dZDj4tS8zC7+LdK/XLWFyiLqs:+U8apVwg9HJHZP7AtxzPhFyYqs

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evica
  • Password:
    Doll650@@

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evica
  • Password:
    Doll650@@

Targets

    • Target

      154115000016 ORIGINAL BL/154115000016 ORIGINAL BL.exe

    • Size

      405KB

    • MD5

      5cadfbc68c15216faf08c1c04a7b7f11

    • SHA1

      7119d4db597929b296dee14afff6cbd7db796cbd

    • SHA256

      50185ca39cb007d72d4ddecccf974236a866615fd39acf6568c0a07f43a31215

    • SHA512

      01625e44121b9380996de4fc855fb972ab9771096bd61c8f421b93dfdbb2c8691641609dab567ca2d5d009c6a06ae73b21dbc4e29bb44c47f41a5a2211fadd64

    • SSDEEP

      6144:4/gz6nNOvt0g5WuHdoq6Otx+WDNa2OP4yJNdAxcr1S8zvtl1Aoq4Yth:4UfvtcuHdoq6Ex+MxOP4cO2xzW5z

    • 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