General

  • Target
    2026-11-11_8d76ef279e53ff936a55cd97459d6b7e_akira_cobalt-strike_quasar-rat
  • Size 496KB
  • Sample261112-md5a2sfs3k
  • SHA256 a650c2176b967a6f62b145ac5b9402c2f0e9ea603f9db86e551d3ceba3560cfb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • overlord

C2
  • 734r7hw4s32wehashwdz273dn323eeasd.antimalwarediagnostics.st

Extracted

Family
  • overlord

C2
  • 734r7hw4s32wehashwdz273dn323eeasd.antimalwarediagnostics.st

Targets

    • Target
      2026-11-11_8d76ef279e53ff936a55cd97459d6b7e_akira_cobalt-strike_quasar-rat
    • Size 496KB
    • SHA256 a650c2176b967a6f62b145ac5b9402c2f0e9ea603f9db86e551d3ceba3560cfb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Overlord RAT

    • Family: Overlord

      Overlord is an open-source Windows RAT written in Golang.

    • Family: xmrig

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

    • Custom signature

      Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Custom signature

      Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers

    • Custom signature

      Detects executables containing SQL queries to confidential data stores. Observed in infostealers

    • Custom signature

      Detects executables containing URLs to raw contents of a Github gist

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Windows security bypass

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks