General

  • Target

    ee519b70614569e0942c403612eb7a4252b0c31036fa46815cdc0e7260609247

  • Size

    659KB

  • Sample

    241117-bkr4hssjem

  • MD5

    b8a10d9d70f2439ee0b8ab06404b78bd

  • SHA1

    2370c6bb37ad13a7c0a3ecc1296356790c287882

  • SHA256

    ee519b70614569e0942c403612eb7a4252b0c31036fa46815cdc0e7260609247

  • SHA512

    95a9da13acb827c522151a3c978138c15d192368d39617ab3b78a0dfc527a0f86cfe41a3a584bdbdac60dd2fe6e67c58839aecb775e4a142920d44400cdfde6c

  • SSDEEP

    12288:PMyCCiqNOtlnnd+U2okMtiJd210bckIHAZrk9OIFjK2dgBvHz3jc:PMyHmd0Qtqd2azCWMDDdgBvT3jc

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    CCu5Z?WuH+bS4hsz

Targets

    • Target

      ee519b70614569e0942c403612eb7a4252b0c31036fa46815cdc0e7260609247

    • Size

      659KB

    • MD5

      b8a10d9d70f2439ee0b8ab06404b78bd

    • SHA1

      2370c6bb37ad13a7c0a3ecc1296356790c287882

    • SHA256

      ee519b70614569e0942c403612eb7a4252b0c31036fa46815cdc0e7260609247

    • SHA512

      95a9da13acb827c522151a3c978138c15d192368d39617ab3b78a0dfc527a0f86cfe41a3a584bdbdac60dd2fe6e67c58839aecb775e4a142920d44400cdfde6c

    • SSDEEP

      12288:PMyCCiqNOtlnnd+U2okMtiJd210bckIHAZrk9OIFjK2dgBvHz3jc:PMyHmd0Qtqd2azCWMDDdgBvT3jc

    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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