General

  • Target
    controller.exe
  • Size 31.3MB
  • Sample260914-qrfrdsdk6z
  • SHA256 a289e1661fee6dd7acc4b0876df7dce1b4dd997c5eecda7eabc537f5f9ada024
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      controller.exe
    • Size 31.3MB
    • SHA256 a289e1661fee6dd7acc4b0876df7dce1b4dd997c5eecda7eabc537f5f9ada024
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Modifies security service

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Server Software Component: Terminal Services DLL

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

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

    • Creates new service(s)

    • Cryptocurrency Miner

      Makes network request to known mining pool URL.

    • Disables service(s)

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Registers new Windows logon scripts automatically executed at logon.

    • Stops running service(s)

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks