General

  • Target

    qcfk71.ps1

  • Size

    883KB

  • Sample

    250113-rc9atsvjg1

  • MD5

    59b52c8f84fe2c3ad0dbf846458a8b0e

  • SHA1

    d0f7133d12e764781faf7c333f1ba115a7dc29ae

  • SHA256

    635bd1a6aed07ec24ab3cef313535757da24d25a6525e0b172ac943ed43ecd55

  • SHA512

    6a369dc696f5c7569bcf86e4e689985fd6ae21fdfd082da82a73c2647e046a5decb963d1864e5a5c891dee9e7b54480834004f83bc20413e48f6e6f7f8372106

  • SSDEEP

    24576:CZPsiow8xKQ3FuIHIrR2D8+NyzIX6ynYyHPdZoo6ukNoTn1lhie:CZPs68xH8IHIrR48+N7X6crHV6LNoTnV

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.antoniomayol.com:21
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

Targets

    • Target

      qcfk71.ps1

    • Size

      883KB

    • MD5

      59b52c8f84fe2c3ad0dbf846458a8b0e

    • SHA1

      d0f7133d12e764781faf7c333f1ba115a7dc29ae

    • SHA256

      635bd1a6aed07ec24ab3cef313535757da24d25a6525e0b172ac943ed43ecd55

    • SHA512

      6a369dc696f5c7569bcf86e4e689985fd6ae21fdfd082da82a73c2647e046a5decb963d1864e5a5c891dee9e7b54480834004f83bc20413e48f6e6f7f8372106

    • SSDEEP

      24576:CZPsiow8xKQ3FuIHIrR2D8+NyzIX6ynYyHPdZoo6ukNoTn1lhie:CZPs68xH8IHIrR48+N7X6crHV6LNoTnV

    • AgentTesla

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

    • Agenttesla family

    • Executes dropped EXE

    • 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