General

  • Target

    Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602

  • Size

    807KB

  • Sample

    250121-tjgkhasldl

  • MD5

    26c7aa73526769f273ed73844e684cd9

  • SHA1

    538b444037fd8f77af00200e826a5e4aab917015

  • SHA256

    e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602

  • SHA512

    a82f36d8b5b7f9fbe20cc599d01520d7299c452d287141b472d796c849db8faba85dace4c9f50dbc697b17cd5d93f02a73db5cec43aed12452c260cbd356d929

  • SSDEEP

    12288:PNaaJeMNR5mHZCbvlIYihHbnLR1qQ9x5/sdmlx+BVimE5Yp:kluUCRpgHbn5b5NWV5E5a

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment1759

Targets

    • Target

      Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602

    • Size

      807KB

    • MD5

      26c7aa73526769f273ed73844e684cd9

    • SHA1

      538b444037fd8f77af00200e826a5e4aab917015

    • SHA256

      e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602

    • SHA512

      a82f36d8b5b7f9fbe20cc599d01520d7299c452d287141b472d796c849db8faba85dace4c9f50dbc697b17cd5d93f02a73db5cec43aed12452c260cbd356d929

    • SSDEEP

      12288:PNaaJeMNR5mHZCbvlIYihHbnLR1qQ9x5/sdmlx+BVimE5Yp:kluUCRpgHbn5b5NWV5E5a

    • 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