General

  • Target

    ce29b09c57bdd0df33b7d45abe0047952fc009dbc1b5b43351aa6dad751ba262

  • Size

    4.9MB

  • Sample

    220621-dfmpcacaa6

  • MD5

    f12c1548b18709716fccbffd277402a0

  • SHA1

    1f5f31e07055980eb7cc131590a9441b61c60044

  • SHA256

    ce29b09c57bdd0df33b7d45abe0047952fc009dbc1b5b43351aa6dad751ba262

  • SHA512

    6e35f550e6719d3db337e00a2108a0b477bfc556b262ca291617b5783e9d26bf706f04f8fb2d902810317b4991fc26a7c221d7997ec2bc3a96673a4d8af8b9dc

Malware Config

Extracted

Family

recordbreaker

C2

http://185.106.94.148/

Targets

    • Target

      ce29b09c57bdd0df33b7d45abe0047952fc009dbc1b5b43351aa6dad751ba262

    • Size

      4.9MB

    • MD5

      f12c1548b18709716fccbffd277402a0

    • SHA1

      1f5f31e07055980eb7cc131590a9441b61c60044

    • SHA256

      ce29b09c57bdd0df33b7d45abe0047952fc009dbc1b5b43351aa6dad751ba262

    • SHA512

      6e35f550e6719d3db337e00a2108a0b477bfc556b262ca291617b5783e9d26bf706f04f8fb2d902810317b4991fc26a7c221d7997ec2bc3a96673a4d8af8b9dc

    • Raccoon ver2

      Raccoon ver2.

    • RecordBreaker

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

    • suricata: ET MALWARE Generic Stealer Config Download Request

      suricata: ET MALWARE Generic Stealer Config Download Request

    • suricata: ET MALWARE Recordbreaker Stealer CnC Checkin

      suricata: ET MALWARE Recordbreaker Stealer CnC Checkin

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

    • Downloads MZ/PE file

    • 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 Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks