General

  • Target

    2bb2e9599aa2d121b66e51b6f5da373c8927825cbce2348d16c60cd5f625e63b

  • Size

    709KB

  • Sample

    240514-bvdnwaec22

  • MD5

    b5b32e04f5869a6ebabe7ce58b187a6c

  • SHA1

    a1abfafe74d66096a16f3dafd755048d3707f0f5

  • SHA256

    2bb2e9599aa2d121b66e51b6f5da373c8927825cbce2348d16c60cd5f625e63b

  • SHA512

    6cd9176401ead8d09d73447c572664a4b060a127c595415b78415617f189fdd45d301482cd7195b0a874b0bca2b8d6943649b6a7108bd8bc6723e53e347dbfb6

  • SSDEEP

    12288:8MTeH81jJU815KiLR1Y53zDfS1L5e3oYwl8Ddq6UMZ/AqGnlQwrYapHzwCwbMzM:88MurY53P+0lw2DTUY4HldrYapHz7xo

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.klptruck.hu
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    kCu}[Z7z+)S[

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.klptruck.hu
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    kCu}[Z7z+)S[

Targets

    • Target

      2bb2e9599aa2d121b66e51b6f5da373c8927825cbce2348d16c60cd5f625e63b

    • Size

      709KB

    • MD5

      b5b32e04f5869a6ebabe7ce58b187a6c

    • SHA1

      a1abfafe74d66096a16f3dafd755048d3707f0f5

    • SHA256

      2bb2e9599aa2d121b66e51b6f5da373c8927825cbce2348d16c60cd5f625e63b

    • SHA512

      6cd9176401ead8d09d73447c572664a4b060a127c595415b78415617f189fdd45d301482cd7195b0a874b0bca2b8d6943649b6a7108bd8bc6723e53e347dbfb6

    • SSDEEP

      12288:8MTeH81jJU815KiLR1Y53zDfS1L5e3oYwl8Ddq6UMZ/AqGnlQwrYapHzwCwbMzM:88MurY53P+0lw2DTUY4HldrYapHz7xo

    • AgentTesla

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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks