General

  • Target

    0f6f25544771378db98a336aeb1ee7860d8d59e89c2e2263dc1554441f096a90

  • Size

    3.3MB

  • Sample

    220623-qzgnnafhg5

  • MD5

    7d121365d2773c0c984128971791d548

  • SHA1

    739b4e7b68fab6b3db139c6b42fc357d0e0882d3

  • SHA256

    0f6f25544771378db98a336aeb1ee7860d8d59e89c2e2263dc1554441f096a90

  • SHA512

    39da122fe1dff7eeed846536134f1284a0978aedf037978507cacc7dd326b5f0a9582547556b456915f6e988799c6af4440a7a3bd7c52279193cab4f94804db0

Malware Config

Extracted

Family

recordbreaker

C2

http://51.210.87.110/

Targets

    • Target

      0f6f25544771378db98a336aeb1ee7860d8d59e89c2e2263dc1554441f096a90

    • Size

      3.3MB

    • MD5

      7d121365d2773c0c984128971791d548

    • SHA1

      739b4e7b68fab6b3db139c6b42fc357d0e0882d3

    • SHA256

      0f6f25544771378db98a336aeb1ee7860d8d59e89c2e2263dc1554441f096a90

    • SHA512

      39da122fe1dff7eeed846536134f1284a0978aedf037978507cacc7dd326b5f0a9582547556b456915f6e988799c6af4440a7a3bd7c52279193cab4f94804db0

    • 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