General

  • Target

    a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2

  • Size

    4.0MB

  • Sample

    240803-s4rerssdlc

  • MD5

    6e1e4b2fb343492aac9426d01f5df07b

  • SHA1

    20bad41b1d9cd24c629e97c86f4e6d4468d374e5

  • SHA256

    a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2

  • SHA512

    425b448fe13f3ae0f2b0627145e6c6ec5ad60cf0f1ff5cacef6a51d132cadf53f900a3a7136ad6b9aca991d693addc60e7fdd2f96b1ea647128d50ad61127047

  • SSDEEP

    98304:NSFRjS+znm6xkcn0xIoKieASiyrQMYffsTn0aqJm24OdU:4FRc6qZOPDtiwQv8rZ8qOW

Malware Config

Targets

    • Target

      a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2

    • Size

      4.0MB

    • MD5

      6e1e4b2fb343492aac9426d01f5df07b

    • SHA1

      20bad41b1d9cd24c629e97c86f4e6d4468d374e5

    • SHA256

      a1b8e777c790f1e1d041ce22d4c941046f90785a4ae25228e741e4bd433ba2a2

    • SHA512

      425b448fe13f3ae0f2b0627145e6c6ec5ad60cf0f1ff5cacef6a51d132cadf53f900a3a7136ad6b9aca991d693addc60e7fdd2f96b1ea647128d50ad61127047

    • SSDEEP

      98304:NSFRjS+znm6xkcn0xIoKieASiyrQMYffsTn0aqJm24OdU:4FRc6qZOPDtiwQv8rZ8qOW

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks