General

  • Target

    1b9d152c5cd6e2904ada0ca707dbd2bb089ac59f8b07723490552a000848cc54.exe

  • Size

    475KB

  • Sample

    250101-cncnnssrdn

  • MD5

    cf173ca1db13dfc7237fd33630926b65

  • SHA1

    783e42e20da75ea1a2fd7a02e3824f251f26cf4f

  • SHA256

    1b9d152c5cd6e2904ada0ca707dbd2bb089ac59f8b07723490552a000848cc54

  • SHA512

    31a7210e2ef813763225c39f5c42f00cd7899539755fd090e256ab17a16c88238e9a659bed9cf4bfd9f5bcb310fb850a6e2e04c41aaf1f2f8fd98db99fa8addc

  • SSDEEP

    6144:Y9yYMqdl+a/ZNntauGBOaYcR/uVc3fTlAoOjlrrhTFInd6Xcfg9UJU8:2dMqdl+YZNorUVcvWoOJFTWndm+

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

      1b9d152c5cd6e2904ada0ca707dbd2bb089ac59f8b07723490552a000848cc54.exe

    • Size

      475KB

    • MD5

      cf173ca1db13dfc7237fd33630926b65

    • SHA1

      783e42e20da75ea1a2fd7a02e3824f251f26cf4f

    • SHA256

      1b9d152c5cd6e2904ada0ca707dbd2bb089ac59f8b07723490552a000848cc54

    • SHA512

      31a7210e2ef813763225c39f5c42f00cd7899539755fd090e256ab17a16c88238e9a659bed9cf4bfd9f5bcb310fb850a6e2e04c41aaf1f2f8fd98db99fa8addc

    • SSDEEP

      6144:Y9yYMqdl+a/ZNntauGBOaYcR/uVc3fTlAoOjlrrhTFInd6Xcfg9UJU8:2dMqdl+YZNorUVcvWoOJFTWndm+

    • 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