General

  • Target

    EQUIPMENT QUOTATION#033986.exe

  • Size

    1.0MB

  • Sample

    250129-kd6srszqgp

  • MD5

    c350c3a502bf95c724acd864aa8d48de

  • SHA1

    3c544230bdb4d1656818d770b682f2b8cc224a16

  • SHA256

    a91cf2a4699e93a3101762f542bf47b51d8ac09f8e78eaa2222c36807e0c0e72

  • SHA512

    e74017f52210fe47d9627f9021e1ad432ef944bdbe8a1e17085c249cabb7f02ba5c63720041995677ebdefb502a5953ea09b8ce71ef3cacd5cf6a945ce157e97

  • SSDEEP

    12288:tzSggsidljMurxgrb81Qv2RA5OMpEoLbqvADoZRGlGcnB7iFTr+8+5rGurubCj3t:tzK3v1QmATpEybiQ9B7iRro/6Cj3X3N

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    nXe0M~WkW&nJ

Targets

    • Target

      EQUIPMENT QUOTATION#033986.exe

    • Size

      1.0MB

    • MD5

      c350c3a502bf95c724acd864aa8d48de

    • SHA1

      3c544230bdb4d1656818d770b682f2b8cc224a16

    • SHA256

      a91cf2a4699e93a3101762f542bf47b51d8ac09f8e78eaa2222c36807e0c0e72

    • SHA512

      e74017f52210fe47d9627f9021e1ad432ef944bdbe8a1e17085c249cabb7f02ba5c63720041995677ebdefb502a5953ea09b8ce71ef3cacd5cf6a945ce157e97

    • SSDEEP

      12288:tzSggsidljMurxgrb81Qv2RA5OMpEoLbqvADoZRGlGcnB7iFTr+8+5rGurubCj3t:tzK3v1QmATpEybiQ9B7iRro/6Cj3X3N

    • 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