General

  • Target

    ac83d6b235460fb3516e0efb7b91d2159ab4636e

  • Size

    26KB

  • Sample

    230106-qtqz5scd41

  • MD5

    051873c5ce8770dd82270d6ac13e3061

  • SHA1

    ac83d6b235460fb3516e0efb7b91d2159ab4636e

  • SHA256

    5f8573d933fb9af96a8e7fb3ad4083e7d5fdad2c4a5960b7dc7f79bb788b6658

  • SHA512

    b424ea79c54f3743692d7831154cbb123f204a6ab41a889c6d7f39f17d8ee6122b3e2782b253266b2186383afae2afd96bc05d1f0ba33b6b5db432444bfa0f4d

  • SSDEEP

    768:4Fx0XaIsnPRIa4fwJMRoSaDlnc1pzULHCdn+az:4f0Xvx3EMRodlgp5Iaz

Malware Config

Targets

    • Target

      ac83d6b235460fb3516e0efb7b91d2159ab4636e

    • Size

      26KB

    • MD5

      051873c5ce8770dd82270d6ac13e3061

    • SHA1

      ac83d6b235460fb3516e0efb7b91d2159ab4636e

    • SHA256

      5f8573d933fb9af96a8e7fb3ad4083e7d5fdad2c4a5960b7dc7f79bb788b6658

    • SHA512

      b424ea79c54f3743692d7831154cbb123f204a6ab41a889c6d7f39f17d8ee6122b3e2782b253266b2186383afae2afd96bc05d1f0ba33b6b5db432444bfa0f4d

    • SSDEEP

      768:4Fx0XaIsnPRIa4fwJMRoSaDlnc1pzULHCdn+az:4f0Xvx3EMRodlgp5Iaz

    • 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

    • 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 v6

Tasks