General

  • Target
    payment_due_notice.zip
  • Size 1KB
  • Sample260721-phe8tsvhlb
  • SHA256 a401f20539057699e38494750506a176777c697bc2c59a09668cd33ad5b20c77
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://link24.kr/2UlNhvg

Targets

    • Target
      7월 신고 납부기한 통지서.pdf.lnk
    • Size 2KB
    • SHA256 c3fa18c8c652cea42215e8fc201c31ec3c03160e40b6ac587c59f67db7ec770d
    • MD5 SHA1 SHA512 TLSH
    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks