General

  • Target

    #Order_476532_pdf.exe

  • Size

    671KB

  • Sample

    230105-na9a9sbg36

  • MD5

    baab7076499623b49a1048a63b8a1d27

  • SHA1

    d82bbbc83984392ce2b1d856b47d344f2d80b769

  • SHA256

    65e0b04d5fe2bd48cc9255d416c837ac7c3cb8835f2f62399d88ee35a6514531

  • SHA512

    9f1e09d7512407eff6f9424eba44516f372f90ecf0e392bd9e8a23057940b798a06ef5b2394a0d4e0b7c05ca809973a980497b1047c50bc7d17ebad07717ae2c

  • SSDEEP

    12288:27x1HsAtO6ZM2oDsiWDsv8kf+qCUTyt60EXp3zjgfB+T7Z4vmYY7:ex3tpBKpWDsv8kG/iyt4xqB+54vmYY7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.huiijingco.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    lNLUrZT2

Targets

    • Target

      #Order_476532_pdf.exe

    • Size

      671KB

    • MD5

      baab7076499623b49a1048a63b8a1d27

    • SHA1

      d82bbbc83984392ce2b1d856b47d344f2d80b769

    • SHA256

      65e0b04d5fe2bd48cc9255d416c837ac7c3cb8835f2f62399d88ee35a6514531

    • SHA512

      9f1e09d7512407eff6f9424eba44516f372f90ecf0e392bd9e8a23057940b798a06ef5b2394a0d4e0b7c05ca809973a980497b1047c50bc7d17ebad07717ae2c

    • SSDEEP

      12288:27x1HsAtO6ZM2oDsiWDsv8kf+qCUTyt60EXp3zjgfB+T7Z4vmYY7:ex3tpBKpWDsv8kG/iyt4xqB+54vmYY7

    • AgentTesla

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

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks