General

  • Target

    4500212574.exe

  • Size

    463KB

  • Sample

    231013-qkhmeaaa6s

  • MD5

    754f0be1b270930c602fa39e7f4e0027

  • SHA1

    20c766255f804d0175e3c5c2120b2022d7041063

  • SHA256

    57008a87cd574f34005b825703fc301def80f754852ecff3943bd9d2dbdf1cde

  • SHA512

    6c8593ec1e2a1d10a2e7eb0b1d0385d4748e5487e7e02cf95ea73181a91ef70ffa54812d8eafa2f5590b9ed5b7337350a6fc81466e18c27e551848f735da3a70

  • SSDEEP

    6144:/Eo4Dx0NmwIyeHIy9KAJ2WG1UpjIf6oSSG5P9you4aN1ypdPG88Sd5hPEMbE/peD:V4Dq7eHIyCWOqjmG5P9yr4QEGX7MbG

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.joilart.com
  • Port:
    587
  • Username:
    dragan@joilart.com
  • Password:
    s861IVO5iP

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.joilart.com
  • Port:
    587
  • Username:
    dragan@joilart.com
  • Password:
    s861IVO5iP
  • Email To:
    miki.sun@centerguitar.co

Targets

    • Target

      4500212574.exe

    • Size

      463KB

    • MD5

      754f0be1b270930c602fa39e7f4e0027

    • SHA1

      20c766255f804d0175e3c5c2120b2022d7041063

    • SHA256

      57008a87cd574f34005b825703fc301def80f754852ecff3943bd9d2dbdf1cde

    • SHA512

      6c8593ec1e2a1d10a2e7eb0b1d0385d4748e5487e7e02cf95ea73181a91ef70ffa54812d8eafa2f5590b9ed5b7337350a6fc81466e18c27e551848f735da3a70

    • SSDEEP

      6144:/Eo4Dx0NmwIyeHIy9KAJ2WG1UpjIf6oSSG5P9you4aN1ypdPG88Sd5hPEMbE/peD:V4Dq7eHIyCWOqjmG5P9yr4QEGX7MbG

    • AgentTesla

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

    • 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

3
T1552

Credentials In Files

3
T1552.001

Collection

Data from Local System

3
T1005

Tasks