General

  • Target
    2026-11-10_d26cac3f341f9a28d153c9d19fbc53c7_akira_cobalt-strike_quasar-rat
  • Size 789KB
  • Sample261111-xw36tabv2n
  • SHA256 5f84f437a101042a96febb7b28dc49ca5731fafb1f4b0a66503a81e4f5b8f9c8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • overlord

C2
  • 734r7hw4s32wehashwdz273dn323eeasd.antimalwarediagnostics.st

Extracted

Family
  • overlord

C2
  • 734r7hw4s32wehashwdz273dn323eeasd.antimalwarediagnostics.st

Targets

    • Target
      2026-11-10_d26cac3f341f9a28d153c9d19fbc53c7_akira_cobalt-strike_quasar-rat
    • Size 789KB
    • SHA256 5f84f437a101042a96febb7b28dc49ca5731fafb1f4b0a66503a81e4f5b8f9c8
    • 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 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

    • 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