General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241123-vyp1vsymaz

  • MD5

    15a46db0313993e635e8a7f4ae91f44a

  • SHA1

    93f7e0d18cda291de56f04e2ad35fff64446eb62

  • SHA256

    aa421056287f6114a5932fc6fe92734a06fb0760567b1086774d25881b6bf4a1

  • SHA512

    1ebc9e6e2e35dac10752f4e11466f0310af10c9911f004f41455d175602a199cb17a91297733179d3d0ee59801431464da62fc1e4f8639f0ba244c16076c2258

  • SSDEEP

    98304:6n5gcY8GUa9kLQ2mhJoIboO1eIRkMIIl2N6XN+D:6dL0OQTAIUO1TrIIl20XYD

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      15a46db0313993e635e8a7f4ae91f44a

    • SHA1

      93f7e0d18cda291de56f04e2ad35fff64446eb62

    • SHA256

      aa421056287f6114a5932fc6fe92734a06fb0760567b1086774d25881b6bf4a1

    • SHA512

      1ebc9e6e2e35dac10752f4e11466f0310af10c9911f004f41455d175602a199cb17a91297733179d3d0ee59801431464da62fc1e4f8639f0ba244c16076c2258

    • SSDEEP

      98304:6n5gcY8GUa9kLQ2mhJoIboO1eIRkMIIl2N6XN+D:6dL0OQTAIUO1TrIIl20XYD

    • 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