General

  • Target

    6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4

  • Size

    709KB

  • Sample

    240329-blzvraeb95

  • MD5

    7ca0e6c3fe6efbaec5af029c7af74ea7

  • SHA1

    1a4398c8d844b6f3f4ccbe08b4693d533c127f89

  • SHA256

    6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4

  • SHA512

    18a93b8906ed704527ee06b385ad23419604bf31ab76426a8bbf0c021dffd851af838680c92ae575e88c6766d0889d9c2dcbb6440f3fb1182280c99c67209069

  • SSDEEP

    12288:ZU0YOwq/eSznWnbtJSNQxiPHnJ/dMwJOivzleZ9UwSzaQ84fLVFqprcSkR:+O7/jznqtJSJPJFzMbrSzGa

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rackhost.hu
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    talisan.hu

Targets

    • Target

      6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4

    • Size

      709KB

    • MD5

      7ca0e6c3fe6efbaec5af029c7af74ea7

    • SHA1

      1a4398c8d844b6f3f4ccbe08b4693d533c127f89

    • SHA256

      6958edff030f068a9f5635d6eeb4a61ded0529f5fb9f6d7eca6ae1a79f0ba7c4

    • SHA512

      18a93b8906ed704527ee06b385ad23419604bf31ab76426a8bbf0c021dffd851af838680c92ae575e88c6766d0889d9c2dcbb6440f3fb1182280c99c67209069

    • SSDEEP

      12288:ZU0YOwq/eSznWnbtJSNQxiPHnJ/dMwJOivzleZ9UwSzaQ84fLVFqprcSkR:+O7/jznqtJSJPJFzMbrSzGa

    • 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 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 Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks