General

  • Target
    Neptun-gen.exe
  • Size 12.9MB
  • Sample260628-txl25sav3p
  • SHA256 3a9bced43d410089e2b7e50c031699476a82da09a22dc674a89132424301732a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Neptun-gen.exe
    • Size 12.9MB
    • SHA256 3a9bced43d410089e2b7e50c031699476a82da09a22dc674a89132424301732a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

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

    • XMRig Miner payload

    • Enumerates VirtualBox DLL files

    • Enumerates VirtualBox registry keys

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VirtualBox drivers on disk

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Looks for VMWare Tools registry key

    • Looks for VMWare drivers on disk

    • Looks for VMWare services registry key.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target
      .miner_src_34530.pyc
    • Size 20KB
    • SHA256 02e616af02e7ab84eb9b4ca683fcc7bbb47cfc16e6f7a6c9e08458690d7d35e2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks