General

  • Target

    4200576-pdf.js

  • Size

    452KB

  • Sample

    221123-rq9thscc7y

  • MD5

    d0f6105fc7b9342bbc5c347ce6342b55

  • SHA1

    7907a289d33206b8e197f21c1efdbe7de4e7aed8

  • SHA256

    25b58db8013be3721ae96530f6d50e05bf78d4fa9a0af1638653b50045a9ebce

  • SHA512

    1fcc5d682be6bc55f00878087a9576e2bdfaffad43073123c09b678decf08cfae943300dca5cfe2310b2a642fa5f448ccfdb1d3c3b580da9b049b8b51dfde525

  • SSDEEP

    6144:OB2Mm09prVy25NU8pGs8IysHvXjwLGyIHEC6kNnB1bokDKoP99X+zzZ:1M3p59e8ssryOwLGjGkJP9W

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server240.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Success4sure2day10@

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      4200576-pdf.js

    • Size

      452KB

    • MD5

      d0f6105fc7b9342bbc5c347ce6342b55

    • SHA1

      7907a289d33206b8e197f21c1efdbe7de4e7aed8

    • SHA256

      25b58db8013be3721ae96530f6d50e05bf78d4fa9a0af1638653b50045a9ebce

    • SHA512

      1fcc5d682be6bc55f00878087a9576e2bdfaffad43073123c09b678decf08cfae943300dca5cfe2310b2a642fa5f448ccfdb1d3c3b580da9b049b8b51dfde525

    • SSDEEP

      6144:OB2Mm09prVy25NU8pGs8IysHvXjwLGyIHEC6kNnB1bokDKoP99X+zzZ:1M3p59e8ssryOwLGjGkJP9W

    • AgentTesla

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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.

MITRE ATT&CK Enterprise v6

Tasks