General

  • Target

    Swift_Payment_of_ Inv_467443456_JPG.vbs

  • Size

    3.0MB

  • Sample

    230801-m3efxsge3z

  • MD5

    fce189a69c63f1c8e1e12eb476374180

  • SHA1

    fb42127307eed7e43ba0c370452d2fa3a5337947

  • SHA256

    5843497eed3781c5569f53cd5709e93891fdb74cd12cdaff9487dd1d353dbe6b

  • SHA512

    b4658fc2447beb95b10748012e9c52eb82872a4fa1892c315493edabb14c9a3c452e699733479c68a31d2b93307b7ae44ba87bd7ce9bff5a2165a7925e2e028d

  • SSDEEP

    6144:/jJCOMKt5IOrXOSZ01eawn7vWMeJtFsMFuh7QPmULgQofUBSh11h5x8noLHNeaZG:LtJPb+/

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

wshrat

C2

http://chongmei33.publicvm.com:7045

Targets

    • Target

      Swift_Payment_of_ Inv_467443456_JPG.vbs

    • Size

      3.0MB

    • MD5

      fce189a69c63f1c8e1e12eb476374180

    • SHA1

      fb42127307eed7e43ba0c370452d2fa3a5337947

    • SHA256

      5843497eed3781c5569f53cd5709e93891fdb74cd12cdaff9487dd1d353dbe6b

    • SHA512

      b4658fc2447beb95b10748012e9c52eb82872a4fa1892c315493edabb14c9a3c452e699733479c68a31d2b93307b7ae44ba87bd7ce9bff5a2165a7925e2e028d

    • SSDEEP

      6144:/jJCOMKt5IOrXOSZ01eawn7vWMeJtFsMFuh7QPmULgQofUBSh11h5x8noLHNeaZG:LtJPb+/

    • AgentTesla

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

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • Blocklisted process makes network request

    • Drops startup file

    • Executes dropped EXE

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks