General

  • Target

    b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe

  • Size

    4.1MB

  • Sample

    241122-j8ahdatkdk

  • MD5

    c58f5d34befa71283f1bde52b96b3c2d

  • SHA1

    280377ad5c23425b842a63d10d739b32a7bae57e

  • SHA256

    b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00

  • SHA512

    3f245d3e253aac48bc6aa77ffdcadbedbe420353383ecab0d7c87c07d800ddd0fe1ccaf7aea9ab5bc8399053e5ad10f4ba6bdcc3a51d0acb1bef120813784153

  • SSDEEP

    98304:B9Njdz3gVVo8KPTFqhcDthVheU4CJl1zR1zzRqJ2trCyTA:HLrl71nfeU4CrZzVqgt1TA

Malware Config

Targets

    • Target

      b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00.exe

    • Size

      4.1MB

    • MD5

      c58f5d34befa71283f1bde52b96b3c2d

    • SHA1

      280377ad5c23425b842a63d10d739b32a7bae57e

    • SHA256

      b6d4e8e108defd1bdbfccb79dd7ab963d3d18aed0482dc03dc21ef42424d2c00

    • SHA512

      3f245d3e253aac48bc6aa77ffdcadbedbe420353383ecab0d7c87c07d800ddd0fe1ccaf7aea9ab5bc8399053e5ad10f4ba6bdcc3a51d0acb1bef120813784153

    • SSDEEP

      98304:B9Njdz3gVVo8KPTFqhcDthVheU4CJl1zR1zzRqJ2trCyTA:HLrl71nfeU4CrZzVqgt1TA

    • 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