General

  • Target

    ea6a2787665f06612331c4967148471eba58a718177829627fda731ee9f6605c

  • Size

    581KB

  • Sample

    220520-16pb7aegb2

  • MD5

    4fdf42753e89f0c5c7be93654390f274

  • SHA1

    cdd6e5734738e3594ccda486d50c85c15725a858

  • SHA256

    ea6a2787665f06612331c4967148471eba58a718177829627fda731ee9f6605c

  • SHA512

    01770f96be92ee6aa1ead626d645fe82eba2608d9b5507d37dea66d248607926bcf96a370cc07debd949a6138b38e026419ea969952ad28f48c595eef057b5d4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cortlandfire.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    UsMc2336

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cortlandfire.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    UsMc2336

Targets

    • Target

      PURCHASE ORDER (PO.4029530).exe

    • Size

      615KB

    • MD5

      e080c630c1cff4bf3eed195aaa93b31d

    • SHA1

      684f0dc565624af4d944b1d259173d329f4cef84

    • SHA256

      aea7319d67789e4e524c4af9bcb842d66593a97dff25cb4be43eee5f5fb86963

    • SHA512

      655aaf53d7d6320a42f1b078a62e3c700c2b2ccb5a7babb8898549c1b292152183f752f1d92f2617b6b016889b7b0ce43e6437b49bc5f7c77dd571fda3d17a32

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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