General

  • Target

    M7R52238.exe

  • Size

    887KB

  • Sample

    230524-xk3e5sec37

  • MD5

    892638b0000d50d4cfe8b2421ac10a53

  • SHA1

    2469f31cf7cca2443a46487c5d3b82bfbffa51ae

  • SHA256

    551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04

  • SHA512

    0e691739fc90777e9ed2196d15c2b12379db0fad0f4fdffbc8c2894640929675e18b4605209de60badc2f8b441ddef5a4a01a48a6e2a783fb71d86fd6de575f7

  • SSDEEP

    12288:V0TFiTB2QwdAEN9liBrhO4QyYGZkAV5yHMVC:NyN9liBr/LXmM

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ljmaintenancesvcs.com.sg
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Steven@12345

Targets

    • Target

      M7R52238.exe

    • Size

      887KB

    • MD5

      892638b0000d50d4cfe8b2421ac10a53

    • SHA1

      2469f31cf7cca2443a46487c5d3b82bfbffa51ae

    • SHA256

      551c5c094b286b559377c080b8ac8fd0680243bbfb694f587bd27b8f0e4d2b04

    • SHA512

      0e691739fc90777e9ed2196d15c2b12379db0fad0f4fdffbc8c2894640929675e18b4605209de60badc2f8b441ddef5a4a01a48a6e2a783fb71d86fd6de575f7

    • SSDEEP

      12288:V0TFiTB2QwdAEN9liBrhO4QyYGZkAV5yHMVC:NyN9liBr/LXmM

    • AgentTesla

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

    • Checks computer location settings

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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 v6

Tasks