General

  • Target

    ORDER-290424-007994PT.vbs

  • Size

    162KB

  • Sample

    240430-gm1rbsea47

  • MD5

    4c75fc967ca796d4f8da4128b7bebf70

  • SHA1

    8211cb066cda8aa6cfd62d39b6ccd45254d68916

  • SHA256

    a4dd485c93929dbeb0e6fd056e60aba8211005c76e97c581fc87875b6e3703c5

  • SHA512

    5d440d6b5ced3b364c2a1cd7380cdc89d2d5d8220bcb504ab1f2f1b66e0a0c42dfac02a22f3ba041b4a6faf58d5810817759943b49566b0e362d200dd9cb55c1

  • SSDEEP

    3072:tvHpcPqzeEihOHbeM8fTSrnSRFHJnB/nRT/PRoFPAeRoFeO3RMpY:t6PqzeEiheeM8fTSrnSRFHxBvRjRoFPa

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vknk bnwz oyuc ljbp

Extracted

Family

agenttesla

Credentials

Extracted

Family

wshrat

C2

http://chongmei33.publicvm.com:7045

Targets

    • Target

      ORDER-290424-007994PT.vbs

    • Size

      162KB

    • MD5

      4c75fc967ca796d4f8da4128b7bebf70

    • SHA1

      8211cb066cda8aa6cfd62d39b6ccd45254d68916

    • SHA256

      a4dd485c93929dbeb0e6fd056e60aba8211005c76e97c581fc87875b6e3703c5

    • SHA512

      5d440d6b5ced3b364c2a1cd7380cdc89d2d5d8220bcb504ab1f2f1b66e0a0c42dfac02a22f3ba041b4a6faf58d5810817759943b49566b0e362d200dd9cb55c1

    • SSDEEP

      3072:tvHpcPqzeEihOHbeM8fTSrnSRFHJnB/nRT/PRoFPAeRoFeO3RMpY:t6PqzeEiheeM8fTSrnSRFHxBvRjRoFPa

    • 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.

    • WSHRAT payload

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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