General

  • Target

    Proforma Invoices 388382.exe

  • Size

    248KB

  • Sample

    240513-25yd5saa84

  • MD5

    e2e2483cbb49aceb57866f248537a32e

  • SHA1

    7865c3376d7381b90efc2525edaeba2fdcf5dd79

  • SHA256

    08503937d0b31fcc3e8410bb75291a864bf698adb08b34d0172c67979378d1dc

  • SHA512

    842214f9ef70d61c15288665382ca90e7855fb56f451af4fb273c7ad8df3ca1d0a5370c0cd3f4b610e3c4ebe82627eb98839c58152b2bd511e0ce9907637557e

  • SSDEEP

    3072:Mzca1dPK29ddNnCDDRvLGyrOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/SPYm21KB:MzcaCKstvLGxOLbMUsK68H

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    YuWsikfV67lD

Targets

    • Target

      Proforma Invoices 388382.exe

    • Size

      248KB

    • MD5

      e2e2483cbb49aceb57866f248537a32e

    • SHA1

      7865c3376d7381b90efc2525edaeba2fdcf5dd79

    • SHA256

      08503937d0b31fcc3e8410bb75291a864bf698adb08b34d0172c67979378d1dc

    • SHA512

      842214f9ef70d61c15288665382ca90e7855fb56f451af4fb273c7ad8df3ca1d0a5370c0cd3f4b610e3c4ebe82627eb98839c58152b2bd511e0ce9907637557e

    • SSDEEP

      3072:Mzca1dPK29ddNnCDDRvLGyrOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/SPYm21KB:MzcaCKstvLGxOLbMUsK68H

    • AgentTesla

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

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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