General

  • Target

    7d9999594357716bf5765f4ef49713dbbe39022ca58a32bee52c58573add6bf0

  • Size

    808KB

  • Sample

    231206-bexrtahf63

  • MD5

    10c7d7702e5b997809d2eacbc79d8681

  • SHA1

    66ec83398a378719289e2e3e39345689af14599c

  • SHA256

    7d9999594357716bf5765f4ef49713dbbe39022ca58a32bee52c58573add6bf0

  • SHA512

    7c68207d8bb4aa5c6e4ab4d6d5924b9f83e78e8a44cf11b0b2d8cd377ab461903bdc4b5b5d818237fde91f01317e680696df4eab2ad9e48c9c760754836c2f47

  • SSDEEP

    12288:k2GAczHQ4fzRpSNAZ+OTuUa8n+23S6KXuf1tdw64BIeC+YnEc5ZCNXwPH2gKzLNk:YzHQ2tpt+OB+IwE1t3nLte8HiBfj/3E

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.issltd.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    iss123

Targets

    • Target

      Commerce registration-172301539 + Pro-Forma Invoice.exe

    • Size

      857KB

    • MD5

      64baca6856ba84fe379eb4d720859edc

    • SHA1

      a234caa5425fcbc4e783dd00722156e533bd6def

    • SHA256

      ab3eb849490834407657e205832591cfa3c3504ed9373bf53396015d62b9e549

    • SHA512

      53449f2ed2e397adadb3a48d561c864734961c40392c2f8f3a8ed6c84afd6db8008fc633405a065cc07a51f8396015f7bb8b3b7c1c4cb8aecbbc1a588b5d53db

    • SSDEEP

      12288:DO5nF8pREGHTbSGWJ7Usocar3S6KMvbPt1w6+BIe4+YnKc5lCzXwPH2gYDMID:Km39s2LwMzPtNPLPe8H6MI

    • 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.

    • 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