General

  • Target

    7472c3e5664fd075431ac23ecb337cd7cff53da3456dc4b3597c7b7552ebfc3c

  • Size

    664KB

  • Sample

    241117-s9jxwaxpbk

  • MD5

    77ca1e2f899e06d7ddef46ff45be7018

  • SHA1

    c42bc75250481229234020677a6372923b24b91c

  • SHA256

    7472c3e5664fd075431ac23ecb337cd7cff53da3456dc4b3597c7b7552ebfc3c

  • SHA512

    1dea2727f1af5d4fcf6f5ee54b71a1b918b430767025da93dea62b28cd42bdb6927db339fac663719666e7dc2054383ec76d5213a3e346cf9b7ab7d554efa6d6

  • SSDEEP

    12288:EMyCm2kXU9YvuuaE+1e6wF6ZnVAvradroBoKj3kkUNNc9FWxLL2J:EMyv2kIYmu1+1e6w4pVA+drZKj0FNW9t

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    marcellinus360

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      7472c3e5664fd075431ac23ecb337cd7cff53da3456dc4b3597c7b7552ebfc3c

    • Size

      664KB

    • MD5

      77ca1e2f899e06d7ddef46ff45be7018

    • SHA1

      c42bc75250481229234020677a6372923b24b91c

    • SHA256

      7472c3e5664fd075431ac23ecb337cd7cff53da3456dc4b3597c7b7552ebfc3c

    • SHA512

      1dea2727f1af5d4fcf6f5ee54b71a1b918b430767025da93dea62b28cd42bdb6927db339fac663719666e7dc2054383ec76d5213a3e346cf9b7ab7d554efa6d6

    • SSDEEP

      12288:EMyCm2kXU9YvuuaE+1e6wF6ZnVAvradroBoKj3kkUNNc9FWxLL2J:EMyv2kIYmu1+1e6w4pVA+drZKj0FNW9t

    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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