General

  • Target

    setup.exe

  • Size

    398.8MB

  • Sample

    220628-v6peaschh2

  • MD5

    1aa8b18e333b780fe844b1d02c809324

  • SHA1

    670fa4aefb7a66dcb4141766c4d640744bbbf7e7

  • SHA256

    3252f6acde19aa764d3545b47e3f72ef02cc857df9ced5c0f1b01b48acf81eef

  • SHA512

    55e35593671b0e10e304c05fc41ff0aa681a75aec094d3b66c3495d0af9f545e39f0240b79778ad5dedde017d51e40c4925ccef1da39256e2ee35059fa846bab

Malware Config

Extracted

Family

recordbreaker

C2

http://45.133.216.200/

http://45.133.216.71/

Targets

    • Target

      setup.exe

    • Size

      398.8MB

    • MD5

      1aa8b18e333b780fe844b1d02c809324

    • SHA1

      670fa4aefb7a66dcb4141766c4d640744bbbf7e7

    • SHA256

      3252f6acde19aa764d3545b47e3f72ef02cc857df9ced5c0f1b01b48acf81eef

    • SHA512

      55e35593671b0e10e304c05fc41ff0aa681a75aec094d3b66c3495d0af9f545e39f0240b79778ad5dedde017d51e40c4925ccef1da39256e2ee35059fa846bab

    • 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.

    • 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 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