General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241126-mza94axqbs

  • MD5

    07f6c03a0f56095a61508db221594a6b

  • SHA1

    e353abaad83c33aeba588d00796faf04b66e81e6

  • SHA256

    5c3bf18f03fb8c5c4d6b6301fc175b0e2b2196b7120795ff377053debee1a458

  • SHA512

    09f475523120d5f8f50f8608a89467d1d3dd00cfbd845ddd032c8a8dd58ac2a00475d1b0e5f0b2cebdcf7e7e3a5eb87fa869ff09bcdb102c0e59f555beeaf998

  • SSDEEP

    98304:B5UzM1PprMSedST7ZCkxXaJyv3CYi92W:BIM1PsUnAkhGwm92

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      07f6c03a0f56095a61508db221594a6b

    • SHA1

      e353abaad83c33aeba588d00796faf04b66e81e6

    • SHA256

      5c3bf18f03fb8c5c4d6b6301fc175b0e2b2196b7120795ff377053debee1a458

    • SHA512

      09f475523120d5f8f50f8608a89467d1d3dd00cfbd845ddd032c8a8dd58ac2a00475d1b0e5f0b2cebdcf7e7e3a5eb87fa869ff09bcdb102c0e59f555beeaf998

    • SSDEEP

      98304:B5UzM1PprMSedST7ZCkxXaJyv3CYi92W:BIM1PsUnAkhGwm92

    • 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