General

  • Target

    43f1a085b9a6e7f26fdbb1f0f98a8a89311b492bdc78704b8dc2418a1915e1f9

  • Size

    535KB

  • Sample

    220521-n3c4jahfep

  • MD5

    f621a162b936626cc37d70b3ffefe304

  • SHA1

    c22ae3b16f3cbeb5a0ef65d1a6302f8d2d4e0d39

  • SHA256

    43f1a085b9a6e7f26fdbb1f0f98a8a89311b492bdc78704b8dc2418a1915e1f9

  • SHA512

    b6fadde4d177247173039c35d3ee76a30b04ef9420d6e0336d89d9d97c0bd520fa611339680aeaa7011f0b24b2911e534d0dcee41532576d6f643c56ef6d3d35

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    jiucUVn4

Targets

    • Target

      Bank Deposit_pdf.exe

    • Size

      846KB

    • MD5

      12bb6076dd7e2d3c4150ae025e7292d0

    • SHA1

      eeb7ed4ad7a419e5160ae862748a6fe34a1dc0f2

    • SHA256

      618fbb94c6c3b6726a543156d6d23efffb5515395c327d7e58cf8c9eb45b5825

    • SHA512

      84bbbc6552a45f3d224ab520d4e654d8f123beea001e7f3ac6ab4367c6bbc5245b7cfa1e8c1dc43de24060e3874a31924c2630b064ba424611a72d63e38c7ee7

    • AgentTesla

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

    • AgentTesla Payload

    • 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 v6

Tasks