General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241119-xcbbpavmam

  • MD5

    1b352e12943c9b113607e78cdf7f1e88

  • SHA1

    2978dd75e9ad8aa608d41f430e2391ac94661cfe

  • SHA256

    e14efbaf799412719eebbbad024b9fe3fae5aa665e7b885cbc05466ee04f4c07

  • SHA512

    5265e205a86ac37348a7b09fef6b92355da07e9aa01ebd973f482eac0546b82350ae86cba6f629dec1b454b26c72df6256d1cf69fb1b0ab01930f734b575aa98

  • SSDEEP

    98304:I+GM6QbqnEFJoA3ozvuYx42ZaSshADK5+vvygxDzYpmte1:vGMTbqnEDoTCYx42YSshADCsDz0mt

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      1b352e12943c9b113607e78cdf7f1e88

    • SHA1

      2978dd75e9ad8aa608d41f430e2391ac94661cfe

    • SHA256

      e14efbaf799412719eebbbad024b9fe3fae5aa665e7b885cbc05466ee04f4c07

    • SHA512

      5265e205a86ac37348a7b09fef6b92355da07e9aa01ebd973f482eac0546b82350ae86cba6f629dec1b454b26c72df6256d1cf69fb1b0ab01930f734b575aa98

    • SSDEEP

      98304:I+GM6QbqnEFJoA3ozvuYx42ZaSshADK5+vvygxDzYpmte1:vGMTbqnEDoTCYx42YSshADCsDz0mt

    • 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