General

  • Target

    BL copy.zip

  • Size

    320KB

  • Sample

    221122-lm8jdsha77

  • MD5

    776e2c5ae23850e1e35b6a5987182b86

  • SHA1

    09e1bdad222988a428838fbf73c4588252d10562

  • SHA256

    8e6e39cf270a36e933a9d29563036afde6687360020117780c09a17127ab79af

  • SHA512

    0e78470b25d1c32db7a2d9bef48a235c53ab1734e536ec5419e2e6d19140aa63eec559284b4d49b27bbb2b31d9fc9ef4af1b8b6d2fffcf111e4a499e622aff2f

  • SSDEEP

    6144:Lc3V/XNQKJDd4wH/BdHZONl0ElaHqVRjT8ixM1IeFZSjohlk7N+r1LmPD4R6FMp:L0WKd9HONlWHqVRjAi2uoh8MBiD4EFE

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5663632223:AAG5KHZDs7KWoaqTYx3lSyFlOdfD9vGegQo/

Targets

    • Target

      BL copy.exe

    • Size

      478KB

    • MD5

      c0ba88e93c37a5381ed30ebe13e3230d

    • SHA1

      dbb6385a5acc6993e234d533b75bfc888dab8649

    • SHA256

      4d32ec11bf2963e4a505853ea46c4b15b73ad0b435fd3f279d034480335901a9

    • SHA512

      0c6160803d16677c7b00821dc612aea82ed6424272160d9117076227b762609bab2a22b18b1edc88c91579ef04f88877601176e70420a2ecdda63990fc1f496e

    • SSDEEP

      6144:bEa0biTgOrovwH/BdHZONl0E5aHKVRjT8i1M1IeFZSjyhlk7NQr1LsPD4RtR0:YfyovWHONluHKVRjAiCuyh86BgD4l0

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks