General

  • Target

    638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020.exe

  • Size

    4.2MB

  • Sample

    241116-jmycbawmfk

  • MD5

    5552526220fa0f65d5371d522781fcab

  • SHA1

    09a58d7523266565f9a32198356a7b40e5bfa029

  • SHA256

    638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020

  • SHA512

    8ac56ec18352d02bcf454dbf25e41a6d577cead5e8dfa03290d7d3dd590e950183c11b7e54c849598c70019b4bffb64ffbab18108079e0e99accce29bca58d05

  • SSDEEP

    98304:FHe8EXNnsUC1nsNi08h5iLfPrlcr9cUYS302MHcNc4+JvpgjqSE1cDTpBn3CG:QqJ1n308h4JAcUVhMHci4+QCMfyG

Malware Config

Targets

    • Target

      638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020.exe

    • Size

      4.2MB

    • MD5

      5552526220fa0f65d5371d522781fcab

    • SHA1

      09a58d7523266565f9a32198356a7b40e5bfa029

    • SHA256

      638e6484019db8c7ab1005f06509b859c76a0d86fd907b4befde9c8c15708020

    • SHA512

      8ac56ec18352d02bcf454dbf25e41a6d577cead5e8dfa03290d7d3dd590e950183c11b7e54c849598c70019b4bffb64ffbab18108079e0e99accce29bca58d05

    • SSDEEP

      98304:FHe8EXNnsUC1nsNi08h5iLfPrlcr9cUYS302MHcNc4+JvpgjqSE1cDTpBn3CG:QqJ1n308h4JAcUVhMHci4+QCMfyG

    • 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