General

  • Target

    008460102.js

  • Size

    2.5MB

  • Sample

    230510-jkvhmsgg3y

  • MD5

    bba07c7c35aa193fc88ada6ed9956b4a

  • SHA1

    34313cdbe727f52267cdb48b9ef4acea839f4821

  • SHA256

    e35016186e8dff3f9ee75a334d35070c5158b0c0decd15dd93422370bf606240

  • SHA512

    fa5a40e44e634b94a967e28c2df580808a3b0712f2b379be97263991eae9d500a4cec682693d15830f165cda2c41da02208c33d74c67b77ff3f3ca18c2473856

  • SSDEEP

    6144:8zqVR8dQUuv5EXuI4bgVFLKEOyH7ahd8V8qjxhL8sIJ8mu2oOs4wnabH/rwGgArJ:Z9kCT1b

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Family

wshrat

C2

http://45.90.222.125:7121

Targets

    • Target

      008460102.js

    • Size

      2.5MB

    • MD5

      bba07c7c35aa193fc88ada6ed9956b4a

    • SHA1

      34313cdbe727f52267cdb48b9ef4acea839f4821

    • SHA256

      e35016186e8dff3f9ee75a334d35070c5158b0c0decd15dd93422370bf606240

    • SHA512

      fa5a40e44e634b94a967e28c2df580808a3b0712f2b379be97263991eae9d500a4cec682693d15830f165cda2c41da02208c33d74c67b77ff3f3ca18c2473856

    • SSDEEP

      6144:8zqVR8dQUuv5EXuI4bgVFLKEOyH7ahd8V8qjxhL8sIJ8mu2oOs4wnabH/rwGgArJ:Z9kCT1b

    • 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.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • 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

    • Loads dropped DLL

    • 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 accounts

    • Accesses Microsoft Outlook profiles

    • 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 v6

Tasks