General

  • Target

    abcff1e6ac84a5ec546b6672ce45bf02.exe

  • Size

    4.2MB

  • Sample

    241228-kc1v5axmer

  • MD5

    abcff1e6ac84a5ec546b6672ce45bf02

  • SHA1

    e5e8c81f0b1d2ea23adbe79d5a69318a7212bbea

  • SHA256

    3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466

  • SHA512

    010d13c525854f55eecae7900d3a2637efc17f45e23d2915aa61fd8d1ea18a6b0d41cf08f9404ef5834cbd010af60fd7c90f7ad564fb96560a03f28c0422c40e

  • SSDEEP

    98304:mvvsqWkkoPBI4gzTwyc7/fa2y9lqqPBHIBCcD:m3okkoPBI3z031y9l1HWC8

Malware Config

Extracted

Family

cryptbot

Targets

    • Target

      abcff1e6ac84a5ec546b6672ce45bf02.exe

    • Size

      4.2MB

    • MD5

      abcff1e6ac84a5ec546b6672ce45bf02

    • SHA1

      e5e8c81f0b1d2ea23adbe79d5a69318a7212bbea

    • SHA256

      3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466

    • SHA512

      010d13c525854f55eecae7900d3a2637efc17f45e23d2915aa61fd8d1ea18a6b0d41cf08f9404ef5834cbd010af60fd7c90f7ad564fb96560a03f28c0422c40e

    • SSDEEP

      98304:mvvsqWkkoPBI4gzTwyc7/fa2y9lqqPBHIBCcD:m3okkoPBI3z031y9l1HWC8

    • 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