General

  • Target

    Setup.exe

  • Size

    385.8MB

  • Sample

    220629-xlxahscahj

  • MD5

    0f8d777f14046968f8bbe6acde833ce5

  • SHA1

    d9a357693ef6b52f9fbeecd48c1a56de23c14103

  • SHA256

    4e151b557e07f55f52583a6aa3a06288c7de0e35848414c1001f179ceb5fbed3

  • SHA512

    af8a8e6a070fca90ac38af8dc0b56106d093341d9a89bf4f8bfed49f13c1db27f47ad2b2b908e1650845ca6461bb59039cd33475c7b65823479107b61c5aea82

Malware Config

Extracted

Family

recordbreaker

C2

http://45.67.34.152/

http://45.133.216.249/

Targets

    • Target

      Setup.exe

    • Size

      385.8MB

    • MD5

      0f8d777f14046968f8bbe6acde833ce5

    • SHA1

      d9a357693ef6b52f9fbeecd48c1a56de23c14103

    • SHA256

      4e151b557e07f55f52583a6aa3a06288c7de0e35848414c1001f179ceb5fbed3

    • SHA512

      af8a8e6a070fca90ac38af8dc0b56106d093341d9a89bf4f8bfed49f13c1db27f47ad2b2b908e1650845ca6461bb59039cd33475c7b65823479107b61c5aea82

    • RecordBreaker

      RecordBreaker is an information stealer capable of downloading and executing secondary payloads written in C++.

    • suricata: ET MALWARE Generic .bin download from Dotted Quad

      suricata: ET MALWARE Generic .bin download from Dotted Quad

    • suricata: ET MALWARE Generic Stealer Config Download Request

      suricata: ET MALWARE Generic Stealer Config Download Request

    • suricata: ET MALWARE Win32/RecordBreaker CnC Checkin

      suricata: ET MALWARE Win32/RecordBreaker CnC Checkin

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks