General

  • Target

    91da29b9b6729b3c881374da6f4651e0N.exe

  • Size

    728KB

  • Sample

    240915-l56shsyamg

  • MD5

    91da29b9b6729b3c881374da6f4651e0

  • SHA1

    3f3e22ca85192a4e2cc7ca3035bee48fb76f4275

  • SHA256

    04a4b9b9d85f4dd19c80c9bfc90bf55d7858e1e00e9a505dffdc9bdf0b76f3a5

  • SHA512

    291052890bdbf3e244e2c96dbd65bd17686b91edadc7d140f437a3832b93b3b3bc0ff27a060146c07d823a21f3000a20863bd8b012b513d90719286f885a2979

  • SSDEEP

    12288:ytmcn3zLXAZDlcCjYe6svjddBnLJuZESYdNaQBImtb6U+DYiGA1A9rkR:yIE3zLGmAbTvBapaai7wYrGV

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    zqamcx.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Methodman991

Targets

    • Target

      91da29b9b6729b3c881374da6f4651e0N.exe

    • Size

      728KB

    • MD5

      91da29b9b6729b3c881374da6f4651e0

    • SHA1

      3f3e22ca85192a4e2cc7ca3035bee48fb76f4275

    • SHA256

      04a4b9b9d85f4dd19c80c9bfc90bf55d7858e1e00e9a505dffdc9bdf0b76f3a5

    • SHA512

      291052890bdbf3e244e2c96dbd65bd17686b91edadc7d140f437a3832b93b3b3bc0ff27a060146c07d823a21f3000a20863bd8b012b513d90719286f885a2979

    • SSDEEP

      12288:ytmcn3zLXAZDlcCjYe6svjddBnLJuZESYdNaQBImtb6U+DYiGA1A9rkR:yIE3zLGmAbTvBapaai7wYrGV

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks