General

  • Target

    3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

  • Size

    205KB

  • Sample

    240515-bmdznsac84

  • MD5

    aeeb6a8f7b4f4e465b3ce9dc62ec024e

  • SHA1

    e6b8fb14f9cf2f524ae706fbf1bbdf91b7615e76

  • SHA256

    3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d

  • SHA512

    a2aa125e2f927dc3336e444fd0be9a8519c42480173f90a2f677d6d5433187bcd51d99b5637006576ea7ef751c1b7024a53840833104df2698fd03ae0ec3ab3e

  • SSDEEP

    3072:44NnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXN2:1stvLGcxLbMUMK21H

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    s9jjoVvaZchS

Targets

    • Target

      3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d.exe

    • Size

      205KB

    • MD5

      aeeb6a8f7b4f4e465b3ce9dc62ec024e

    • SHA1

      e6b8fb14f9cf2f524ae706fbf1bbdf91b7615e76

    • SHA256

      3e48be9810d15d89af5f0998711cfcfe8d0c91f8056001fbd1c33632a57ce64d

    • SHA512

      a2aa125e2f927dc3336e444fd0be9a8519c42480173f90a2f677d6d5433187bcd51d99b5637006576ea7ef751c1b7024a53840833104df2698fd03ae0ec3ab3e

    • SSDEEP

      3072:44NnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXN2:1stvLGcxLbMUMK21H

    • 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#.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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