General

  • Target

    75f83958dc211ddd4dfed631aed3aafa.exe

  • Size

    4.3MB

  • Sample

    241227-jgeb9asrdx

  • MD5

    75f83958dc211ddd4dfed631aed3aafa

  • SHA1

    b47b4351e5be4bc3830ca73454ee8be8f4f32beb

  • SHA256

    85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867

  • SHA512

    ee8f783396c0419f6af4f3148ae91c994c084998ad499ace665c40053661cdb7b0d3f5d7c5d04ee18c4e84889b2944ae1dfc637a9d19f4271634a02c18b4b084

  • SSDEEP

    49152:F3IsqIWhmytT6yGQJLB3p85cVUaRp2HeauaziONsTybSgbBRV/uiGisa0ZZM48YS:Ffqb9eyJlr7V/qXiTyW04zAvyWJV0Z

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      75f83958dc211ddd4dfed631aed3aafa.exe

    • Size

      4.3MB

    • MD5

      75f83958dc211ddd4dfed631aed3aafa

    • SHA1

      b47b4351e5be4bc3830ca73454ee8be8f4f32beb

    • SHA256

      85b5d57cad412bcc5921e20d965120f850769b547fc9e63c2a0f1a18f12f7867

    • SHA512

      ee8f783396c0419f6af4f3148ae91c994c084998ad499ace665c40053661cdb7b0d3f5d7c5d04ee18c4e84889b2944ae1dfc637a9d19f4271634a02c18b4b084

    • SSDEEP

      49152:F3IsqIWhmytT6yGQJLB3p85cVUaRp2HeauaziONsTybSgbBRV/uiGisa0ZZM48YS:Ffqb9eyJlr7V/qXiTyW04zAvyWJV0Z

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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