General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241123-swpk7sxkc1

  • MD5

    b2f438ad921eb76747a1099a6186c8a8

  • SHA1

    18feb49a9e30fe0c712302de00752c951437b257

  • SHA256

    305179e8891cd27285974ffee3acd9a46d94b622f977ad54b14626db7954c9b9

  • SHA512

    ad9084ec6ccea914309229e40daac6a4cd14628438ae8ab60cafe40f2d655fe8534b108964f5d34a1594bc6dc0dad2f4bf8efb5497c7360582e5d1e28de5f11a

  • SSDEEP

    98304:Tc9pC7M/TS2CuHcyA6XaesUzJuIc/myc/hJ3ePaMFwMqOFg7v:6C+W2Cu8TUsgJuIl5saMZpgT

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      b2f438ad921eb76747a1099a6186c8a8

    • SHA1

      18feb49a9e30fe0c712302de00752c951437b257

    • SHA256

      305179e8891cd27285974ffee3acd9a46d94b622f977ad54b14626db7954c9b9

    • SHA512

      ad9084ec6ccea914309229e40daac6a4cd14628438ae8ab60cafe40f2d655fe8534b108964f5d34a1594bc6dc0dad2f4bf8efb5497c7360582e5d1e28de5f11a

    • SSDEEP

      98304:Tc9pC7M/TS2CuHcyA6XaesUzJuIc/myc/hJ3ePaMFwMqOFg7v:6C+W2Cu8TUsgJuIl5saMZpgT

    • 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