General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241125-1lfvbavkfk

  • MD5

    e3f5abc2332ea769c91f7c6f2a5a664a

  • SHA1

    2969a201926786c2e4d03f215077d2abec517dec

  • SHA256

    6bf3521dbb4d8610035627fd1ffba23169aaba4c7ed723522a1a73386edf5b69

  • SHA512

    6a2f821451483ad5781b761bd9f462fcbf6239c1d6260d2af02f128680588c56fb4b03ad199a01334ce50d4a351393a2dd69abd345fe949434c5733078949f2a

  • SSDEEP

    98304:5d+qjG05Es7tErqWcogZlV4tum0KqgsRzn+fpKPayLigj:P5Os7tE+jrlS8Rzn+Sh

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      e3f5abc2332ea769c91f7c6f2a5a664a

    • SHA1

      2969a201926786c2e4d03f215077d2abec517dec

    • SHA256

      6bf3521dbb4d8610035627fd1ffba23169aaba4c7ed723522a1a73386edf5b69

    • SHA512

      6a2f821451483ad5781b761bd9f462fcbf6239c1d6260d2af02f128680588c56fb4b03ad199a01334ce50d4a351393a2dd69abd345fe949434c5733078949f2a

    • SSDEEP

      98304:5d+qjG05Es7tErqWcogZlV4tum0KqgsRzn+fpKPayLigj:P5Os7tE+jrlS8Rzn+Sh

    • 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