General

  • Target

    file.exe

  • Size

    4.1MB

  • Sample

    241121-vnkcmatnby

  • MD5

    5f333ec8f045aff195aad4311a4b7ef2

  • SHA1

    99dd90fac17bedff9dfe1ad6c2d0a953758bd91b

  • SHA256

    ddc36ae51e0636472cbe7f04d0f4f3ae11a3f8efcdf8fd6068b0dc6eb614170b

  • SHA512

    d971ef26716279c02146ca4a877ff0360bed51a4817f81efff940cbaed80f348e45de17b722b6723d15af6bb2def3bac2bfbace62c2ff8bc480d6d500a120321

  • SSDEEP

    98304:B9Njdz3gVVo8KPTFqhcDthVheU4CJl1zR1zzRqJ2trCyT:HLrl71nfeU4CrZzVqgt1T

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.1MB

    • MD5

      5f333ec8f045aff195aad4311a4b7ef2

    • SHA1

      99dd90fac17bedff9dfe1ad6c2d0a953758bd91b

    • SHA256

      ddc36ae51e0636472cbe7f04d0f4f3ae11a3f8efcdf8fd6068b0dc6eb614170b

    • SHA512

      d971ef26716279c02146ca4a877ff0360bed51a4817f81efff940cbaed80f348e45de17b722b6723d15af6bb2def3bac2bfbace62c2ff8bc480d6d500a120321

    • SSDEEP

      98304:B9Njdz3gVVo8KPTFqhcDthVheU4CJl1zR1zzRqJ2trCyT:HLrl71nfeU4CrZzVqgt1T

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks