General

  • Target

    02e8e1b20a7507d3bd9cc8987072a4823ee5aeb81a3ff956224d1f0e4aeb0214

  • Size

    587KB

  • Sample

    220521-nxwcxshdcr

  • MD5

    d22b725943195cf571d16dea38e75db5

  • SHA1

    9fc52a99994986a2a7949831b7824913603c71be

  • SHA256

    02e8e1b20a7507d3bd9cc8987072a4823ee5aeb81a3ff956224d1f0e4aeb0214

  • SHA512

    c22f175de0a66433747b4a302b8ddf94f6fd6035ee05686835b7971d6a61f8535131d8e21c9ff40fe5fb11ab916788a7e0df88f0ba619ec48acd5f5f84cea796

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.tos-thailand.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    P@ssw0rd

Targets

    • Target

      PO9048899AUG13.exe

    • Size

      947KB

    • MD5

      73fa9bfb100fa4d8304fef98446d2b62

    • SHA1

      1ee7c475c40a82dfa230e26669aed12271778f49

    • SHA256

      9af42638628323098b6873eee65103c97fa1ff971d6640323ab4a5290edc71c2

    • SHA512

      09748e21766ba6147023b1424109ed394371c2da93334016fe790c8b36df3c3de9e9194b31bcbab06661d0200d11a90c1314505d91bca94d7839066cf0bdbdcb

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks