General

  • Target

    84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe

  • Size

    660KB

  • Sample

    240229-f9c34sfh2w

  • MD5

    b59fdfa1bc3fab9682efe169673b860b

  • SHA1

    9029a816e934ad5e5545171c0bb4b4594e9dd7aa

  • SHA256

    84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4

  • SHA512

    2cc19bb9992e31bc045fc50a5d2bf35a42c3345704d26aa3f0ca139a44250b2dbd601ab6ec7aa0b3cba80d28a16d3ee7b5386a21fc8759f405c77d2f992138f6

  • SSDEEP

    12288:wzNwnqs3y44sAGBqD6iGj1EPoGtaUvNbKMYecJvk5CYxZsFzdZGdrLNhN3b:VnPAGBqD6mbYwtKMWxk5bxZmq3NhN

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4.exe

    • Size

      660KB

    • MD5

      b59fdfa1bc3fab9682efe169673b860b

    • SHA1

      9029a816e934ad5e5545171c0bb4b4594e9dd7aa

    • SHA256

      84225e449f93fe49be50ad0b5233f1666ac856db99b201d1625a0cefbf07b2e4

    • SHA512

      2cc19bb9992e31bc045fc50a5d2bf35a42c3345704d26aa3f0ca139a44250b2dbd601ab6ec7aa0b3cba80d28a16d3ee7b5386a21fc8759f405c77d2f992138f6

    • SSDEEP

      12288:wzNwnqs3y44sAGBqD6iGj1EPoGtaUvNbKMYecJvk5CYxZsFzdZGdrLNhN3b:VnPAGBqD6mbYwtKMWxk5bxZmq3NhN

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Checks computer location settings

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

    • 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