General

  • Target
    file.exe
  • Size 996KB
  • Sample261002-ep9e5stdle
  • SHA256 8fd5f4249f5cc9d7d33ed7679c0b78a5b269d82d2bc7bf3014f19fbff8d4d660
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      file.exe
    • Size 996KB
    • SHA256 8fd5f4249f5cc9d7d33ed7679c0b78a5b269d82d2bc7bf3014f19fbff8d4d660
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

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

    • Windows security bypass

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    • Executes dropped EXE

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks