General

  • Target

    6f3570636cf23152e05747048cf8d8fd

  • Size

    769KB

  • Sample

    231226-pv9yzacefk

  • MD5

    6f3570636cf23152e05747048cf8d8fd

  • SHA1

    5496e0b56f426ca83ba68c831f4e2103317217c9

  • SHA256

    b0db665ee10001c98ba8fb94048fc94d17474115b1db146b081c8c82ad1a0aac

  • SHA512

    1ce24b7d328bad461557c08819cc84ce1c16cc3d725e4cf38d95d7228684920359f744b169a5fdf16a9eaa1aa714f5a956e58c9407b6846b7411e32f6798a58d

  • SSDEEP

    12288:O4YnvvSEqAyrbx/P3vkRKpVlr29uoYMhlbryIYqwhq1xxiernXQgf3T:ORirlERwmA/MhVryIYCVvfT

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    goodgood12345

Targets

    • Target

      Purchase order.exe

    • Size

      913KB

    • MD5

      dc50bc5cab0728f5072e4e944d82c1ce

    • SHA1

      382619df4c0e7bff056cfd3a551d8f4b463a13b7

    • SHA256

      a9ba588dc9da50b3d3a7c78a42d3734d3336de3e3cabed9db41bbc742520b204

    • SHA512

      87b5a273b7080f9dc926a48fc90e880b1b37dcf086b07c145adafd3f69bf111870009812334ecd08ebb857ba2c83669f731f32492a3c35a7ac0feadbb839ee58

    • SSDEEP

      24576:crhqbidgrQM9em4Rz8EAtQELfZ+f0tMcGk37eyko:oPQQM934Rz5aQCfcS6kCyk

    • AgentTesla

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

    • AgentTesla payload

    • Drops file in Drivers directory

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks