General

  • Target
    2026-08-06_95cad2bf8111c8f6b4702465fc2b465d_akira_cobalt-strike_quasar-rat
  • Size 658KB
  • Sample260806-brbecawsev
  • SHA256 b5faf51b23bd9a4699f7adc31cfd935f23121c40ccc52070a86fe27790b12332
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • overlord

C2
  • 734r7hw4s32wehashwdz273dn323eeasd.antimalwarediagnostics.st

Targets

    • Target
      2026-08-06_95cad2bf8111c8f6b4702465fc2b465d_akira_cobalt-strike_quasar-rat
    • Size 658KB
    • SHA256 b5faf51b23bd9a4699f7adc31cfd935f23121c40ccc52070a86fe27790b12332
    • 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.

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

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks