General

  • Target

    d5173d29b7006d8b2a68bcf7f33ffeba_JaffaCakes118

  • Size

    377KB

  • Sample

    240908-zypsbaxglg

  • MD5

    d5173d29b7006d8b2a68bcf7f33ffeba

  • SHA1

    84de5a76081c8e3b75445d3d435378208862aafa

  • SHA256

    691c2a33264227cf53264d3087a8651f204448d57af3ea7c74e95da03b273bdb

  • SHA512

    0996e234e0e036245df23ce1815688900f98d9796140f1f6206dc5da40d939aa8031cbf981ed40c343f36210e3982fd64c94beecc9910964aa42e7e9aaf03044

  • SSDEEP

    6144:7Vn8Y/2+3x5spUN1yY0zyZLgeoqn9onD4EpvrX:758WhWmNEYOyF1x9onD4Eh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    elsecreto2019

Targets

    • Target

      d5173d29b7006d8b2a68bcf7f33ffeba_JaffaCakes118

    • Size

      377KB

    • MD5

      d5173d29b7006d8b2a68bcf7f33ffeba

    • SHA1

      84de5a76081c8e3b75445d3d435378208862aafa

    • SHA256

      691c2a33264227cf53264d3087a8651f204448d57af3ea7c74e95da03b273bdb

    • SHA512

      0996e234e0e036245df23ce1815688900f98d9796140f1f6206dc5da40d939aa8031cbf981ed40c343f36210e3982fd64c94beecc9910964aa42e7e9aaf03044

    • SSDEEP

      6144:7Vn8Y/2+3x5spUN1yY0zyZLgeoqn9onD4EpvrX:758WhWmNEYOyF1x9onD4Eh

    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • System Binary Proxy Execution: InstallUtil

      Abuse InstallUtil to proxy execution of malicious code.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks