General

  • Target
    1037068cf9de3dfab780b1311ec94a0b
  • Size 332KB
  • Sample211114-x8zddsdfhr
  • SHA256 6319b895e7a61947bfa702bf9f092d585f76a983666bbceb8d6dcbabe50e330d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • cryptbot

C2
  • lekdae72.top

  • mortae07.top

Attributes
  • payload_url

    http://xetery20.top/download.php?file=itaves.exe

Targets

    • Target
      1037068cf9de3dfab780b1311ec94a0b
    • Size 332KB
    • SHA256 6319b895e7a61947bfa702bf9f092d585f76a983666bbceb8d6dcbabe50e330d
    • MD5 SHA1 SHA512
    • CryptBot

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

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • 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