General

  • Target

    476593e5222cc396c4852761aa580a89d60a955c7fbbd90f0d101b4cc35c30fe

  • Size

    629KB

  • Sample

    250125-bvz7wazncq

  • MD5

    c2a6426d169796711445246801bddd14

  • SHA1

    5bdebd71cc99c4289f8070aa7b19001ac35b542c

  • SHA256

    476593e5222cc396c4852761aa580a89d60a955c7fbbd90f0d101b4cc35c30fe

  • SHA512

    6badeb542ed98c256cfdaa5257c439c9155b218843b8cfdf51d6015da26c3385a065791534aee208ff27c244711023832ae195f0df44a3b9758be7e6b4ee360c

  • SSDEEP

    12288:/Xb25BA9vaLWhiAd6DxB/u6D1bgPSbcrCUxDWo43M3A:/XcO9iaiAdMNZbgqbcr1xMM

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Unizik323$

Targets

    • Target

      476593e5222cc396c4852761aa580a89d60a955c7fbbd90f0d101b4cc35c30fe

    • Size

      629KB

    • MD5

      c2a6426d169796711445246801bddd14

    • SHA1

      5bdebd71cc99c4289f8070aa7b19001ac35b542c

    • SHA256

      476593e5222cc396c4852761aa580a89d60a955c7fbbd90f0d101b4cc35c30fe

    • SHA512

      6badeb542ed98c256cfdaa5257c439c9155b218843b8cfdf51d6015da26c3385a065791534aee208ff27c244711023832ae195f0df44a3b9758be7e6b4ee360c

    • SSDEEP

      12288:/Xb25BA9vaLWhiAd6DxB/u6D1bgPSbcrCUxDWo43M3A:/XcO9iaiAdMNZbgqbcr1xMM

    • AgentTesla

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

    • Agenttesla family

    • Phoenix Keylogger

      Phoenix is a keylogger and info stealer first seen in July 2019.

    • Phoenix Keylogger payload

    • Phoenix family

    • AgentTesla payload

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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 v15

Tasks