General

  • Target

    b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

  • Size

    4.1MB

  • Sample

    241120-dspz8szgnn

  • MD5

    eeafcff9019f6db830551b94ded6ec31

  • SHA1

    0177b0c665ce005f1a82cea394af45fcc798331e

  • SHA256

    b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e

  • SHA512

    b37a82d84d1573d908cbbb57422bb4965329204f84452083bfdaa346feeca77db147eae51528d292c7ed477c3c97b0a88d48c23cde522208d200db768f6ecf55

  • SSDEEP

    98304:lF1QhWOfAPeI5LcmjMpfMs5EGzuKs7MJeSfaLnw:l8hWQA2I5pMpfMs5dzs4oSfaLnw

Malware Config

Targets

    • Target

      b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e.exe

    • Size

      4.1MB

    • MD5

      eeafcff9019f6db830551b94ded6ec31

    • SHA1

      0177b0c665ce005f1a82cea394af45fcc798331e

    • SHA256

      b51c39f9a5b2176d0e3a06036460db52d19a94cb4827cf523c00a2e567fd586e

    • SHA512

      b37a82d84d1573d908cbbb57422bb4965329204f84452083bfdaa346feeca77db147eae51528d292c7ed477c3c97b0a88d48c23cde522208d200db768f6ecf55

    • SSDEEP

      98304:lF1QhWOfAPeI5LcmjMpfMs5EGzuKs7MJeSfaLnw:l8hWQA2I5pMpfMs5dzs4oSfaLnw

    • 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