General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241121-b8n2rsxpfy

  • MD5

    580e5e0360775b95ab367ac5b849b95a

  • SHA1

    5cc16de84752885fa1cdbd8adf038c55fa15f28f

  • SHA256

    5a2f8a3d3a35a24346e8c62d5f36d052e26834f1e58996674f2ceddf563e452b

  • SHA512

    b4ec8b572d4d39228485d63a82cb067931ab1b5845e3a8ec20dde6d70d06ae232570382081ce0cc2c2f6de4f91ebe47115dc4ae52542d1bdb76c72314fd594ae

  • SSDEEP

    98304:0GWjcj2UFPdYc+f4MqJRiIhtGReV0yZxWfJZzu7GqTQ7m:ecZfYb4MqrNoRY0UxyZzc5c7m

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      580e5e0360775b95ab367ac5b849b95a

    • SHA1

      5cc16de84752885fa1cdbd8adf038c55fa15f28f

    • SHA256

      5a2f8a3d3a35a24346e8c62d5f36d052e26834f1e58996674f2ceddf563e452b

    • SHA512

      b4ec8b572d4d39228485d63a82cb067931ab1b5845e3a8ec20dde6d70d06ae232570382081ce0cc2c2f6de4f91ebe47115dc4ae52542d1bdb76c72314fd594ae

    • SSDEEP

      98304:0GWjcj2UFPdYc+f4MqJRiIhtGReV0yZxWfJZzu7GqTQ7m:ecZfYb4MqrNoRY0UxyZzc5c7m

    • 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