General

  • Target

    Scanner 22.doc

  • Size

    28KB

  • Sample

    221220-sm2jeadc7w

  • MD5

    1231f2f38d011e4672093e8ed991669e

  • SHA1

    b3a12f99f91e65fe2347dc85056fc85189c95a8f

  • SHA256

    0524ffd2afcba41cb6c3f9c0b3f45b4fa779e5b9e193a72bdd6fed37889a2195

  • SHA512

    0c9e42c01995cd8ef249488b8b9bf4d47ed22e3c51d9ae39273669aeccf249c63690508bc4345a3bff313bfcfad239502a746171cac23c25bcd50bb26db5891d

  • SSDEEP

    768:eFx0XaIsnPRIa4fwJMYfl0oKoN01LjVzjG:ef0Xvx3EMYd0FyQLjZG

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.valvulasthermovalve.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.valvulasthermovalve.cl/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Targets

    • Target

      Scanner 22.doc

    • Size

      28KB

    • MD5

      1231f2f38d011e4672093e8ed991669e

    • SHA1

      b3a12f99f91e65fe2347dc85056fc85189c95a8f

    • SHA256

      0524ffd2afcba41cb6c3f9c0b3f45b4fa779e5b9e193a72bdd6fed37889a2195

    • SHA512

      0c9e42c01995cd8ef249488b8b9bf4d47ed22e3c51d9ae39273669aeccf249c63690508bc4345a3bff313bfcfad239502a746171cac23c25bcd50bb26db5891d

    • SSDEEP

      768:eFx0XaIsnPRIa4fwJMYfl0oKoN01LjVzjG:ef0Xvx3EMYd0FyQLjZG

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v6

Tasks