General

  • Target

    627c7bc286907798d1bb213d4b0a103c7a716c39a2dccd926b076acfc01401a0

  • Size

    4.1MB

  • Sample

    220625-fylk4shge7

  • MD5

    31d8faea47d0b49b3e8c2421726f6cc0

  • SHA1

    9402a60b76a9cb0a55d5b95a84e8ac83ec43de33

  • SHA256

    627c7bc286907798d1bb213d4b0a103c7a716c39a2dccd926b076acfc01401a0

  • SHA512

    7bdc3225e6249ba563e5ee2ea856e37c0c7597dd48b84cf5e62d0b30e5dde0e969e350e5f62dab9ae65abff3233c58ea9549694c29195d95b8be1c31b992617e

Malware Config

Targets

    • Target

      627c7bc286907798d1bb213d4b0a103c7a716c39a2dccd926b076acfc01401a0

    • Size

      4.1MB

    • MD5

      31d8faea47d0b49b3e8c2421726f6cc0

    • SHA1

      9402a60b76a9cb0a55d5b95a84e8ac83ec43de33

    • SHA256

      627c7bc286907798d1bb213d4b0a103c7a716c39a2dccd926b076acfc01401a0

    • SHA512

      7bdc3225e6249ba563e5ee2ea856e37c0c7597dd48b84cf5e62d0b30e5dde0e969e350e5f62dab9ae65abff3233c58ea9549694c29195d95b8be1c31b992617e

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

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

    • Executes dropped EXE

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks