General

  • Target

    ME1241562024.exe

  • Size

    770KB

  • Sample

    240529-f7514sca5s

  • MD5

    9b677b4d8e87552558cb7b250c4dd3ca

  • SHA1

    705dfbf6f6d34b10f9265d8334439de636b1e8c7

  • SHA256

    970134c0517367f08aac89e19cf63ac667fe75db4b86616209ee858737a1cd79

  • SHA512

    f90c313de9ec11b785e8ac6d3950cd04a3e3174b1dd1abfa8133bc6079545d0e78ab67e49908b80e44e02053ad7b28e9d18f2dfba38d7468859b5735e1ddb051

  • SSDEEP

    24576:/auvE6ITmd3x50xGRayTwng3Tgx44Nlj:xtIm0GZT0g3TgXj

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.officeemailbackup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    d1IXFo$=lK[r

Targets

    • Target

      ME1241562024.exe

    • Size

      770KB

    • MD5

      9b677b4d8e87552558cb7b250c4dd3ca

    • SHA1

      705dfbf6f6d34b10f9265d8334439de636b1e8c7

    • SHA256

      970134c0517367f08aac89e19cf63ac667fe75db4b86616209ee858737a1cd79

    • SHA512

      f90c313de9ec11b785e8ac6d3950cd04a3e3174b1dd1abfa8133bc6079545d0e78ab67e49908b80e44e02053ad7b28e9d18f2dfba38d7468859b5735e1ddb051

    • SSDEEP

      24576:/auvE6ITmd3x50xGRayTwng3Tgx44Nlj:xtIm0GZT0g3TgXj

    • AgentTesla

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

    • 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.

    • 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