General

  • Target

    eb18c1fdf1c1f4360d3de340f309a2e3a991d67273d4bb72297797c731eeec35

  • Size

    481KB

  • Sample

    240312-besg4ade68

  • MD5

    c4db22e342217e2d4a81fd7b023b7028

  • SHA1

    b91ce461be008ec24faf2c0d72ad90e78567b82a

  • SHA256

    eb18c1fdf1c1f4360d3de340f309a2e3a991d67273d4bb72297797c731eeec35

  • SHA512

    862b0e1718bcad58cb7406caa21de1b6933775d344cb566bc21c191810fb803a3fe019ac8032456a7003d5a5431ef18871f9d4ce477326bff2b70b81a47cb0b5

  • SSDEEP

    6144:+Jt8tGAKfaFmS9q1izbKM94xkw+DR/6hb4Wx+7tS6OKIBGNLUY2yYBBndN3MVqRZ:+b8tHm+6xkwKRS5+4GNl8B93MB+

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    DRaa8A9L3DVc

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      eb18c1fdf1c1f4360d3de340f309a2e3a991d67273d4bb72297797c731eeec35

    • Size

      481KB

    • MD5

      c4db22e342217e2d4a81fd7b023b7028

    • SHA1

      b91ce461be008ec24faf2c0d72ad90e78567b82a

    • SHA256

      eb18c1fdf1c1f4360d3de340f309a2e3a991d67273d4bb72297797c731eeec35

    • SHA512

      862b0e1718bcad58cb7406caa21de1b6933775d344cb566bc21c191810fb803a3fe019ac8032456a7003d5a5431ef18871f9d4ce477326bff2b70b81a47cb0b5

    • SSDEEP

      6144:+Jt8tGAKfaFmS9q1izbKM94xkw+DR/6hb4Wx+7tS6OKIBGNLUY2yYBBndN3MVqRZ:+b8tHm+6xkwKRS5+4GNl8B93MB+

    • AgentTesla

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

    • Detect ZGRat V1

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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.

    • 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