General

  • Target

    688ade2a84dc563da3868c853dc6df1150d07ba094f0e6ee0eff9cb6b3faf938

  • Size

    487KB

  • Sample

    240626-bz1zzazbmj

  • MD5

    737355ad732da62afc3eca04aaefbc25

  • SHA1

    19d6816b326e076e33ba21df51c328685f59bd75

  • SHA256

    688ade2a84dc563da3868c853dc6df1150d07ba094f0e6ee0eff9cb6b3faf938

  • SHA512

    80e6f89912a00bf4c435e01faec1987dfab9a4f44110f0b23ab45badb006c1a0eb7f0ae0c6764849217b0a45431eff1c33e94ac89b41c9383238200aad8ab449

  • SSDEEP

    6144:mwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwARVM8:DVMev

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://mail.hearing-vision.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!

Targets

    • Target

      688ade2a84dc563da3868c853dc6df1150d07ba094f0e6ee0eff9cb6b3faf938

    • Size

      487KB

    • MD5

      737355ad732da62afc3eca04aaefbc25

    • SHA1

      19d6816b326e076e33ba21df51c328685f59bd75

    • SHA256

      688ade2a84dc563da3868c853dc6df1150d07ba094f0e6ee0eff9cb6b3faf938

    • SHA512

      80e6f89912a00bf4c435e01faec1987dfab9a4f44110f0b23ab45badb006c1a0eb7f0ae0c6764849217b0a45431eff1c33e94ac89b41c9383238200aad8ab449

    • SSDEEP

      6144:mwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwARVM8:DVMev

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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