General

  • Target

    er.exe

  • Size

    24KB

  • Sample

    210125-bvke334hdn

  • MD5

    612be75dd32e0576d23e8188afd4a489

  • SHA1

    4fb53cf9f43b8d6ab16577c98aa7bbba5986b296

  • SHA256

    b37892c9f8b0b73345bd8f5b47faa274495f1f7b986013f62a4a005ed40b4db4

  • SHA512

    c7b2e326c90f0696babfa621202924553671f75cb2cd86970c00e156b9e5d3290b9494e9ece7825f9f5b0f876ae509a1e50c43ab7b88ebeaebd5c5512643e2f8

Malware Config

Extracted

Family

matiex

Credentials

  • Protocol:
    smtp
  • Host:
    ckfashion.shop
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    123Mat+++

Targets

    • Target

      er.exe

    • Size

      24KB

    • MD5

      612be75dd32e0576d23e8188afd4a489

    • SHA1

      4fb53cf9f43b8d6ab16577c98aa7bbba5986b296

    • SHA256

      b37892c9f8b0b73345bd8f5b47faa274495f1f7b986013f62a4a005ed40b4db4

    • SHA512

      c7b2e326c90f0696babfa621202924553671f75cb2cd86970c00e156b9e5d3290b9494e9ece7825f9f5b0f876ae509a1e50c43ab7b88ebeaebd5c5512643e2f8

    • Matiex

      Matiex is a keylogger and infostealer first seen in July 2020.

    • Matiex Main Payload

    • Blocklisted process makes network request

    • 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