Extracted

• • Target

    2024-10-20_84a0e0284dd3fbda105bdacbfef58aa0_cobalt-strike_ryuk

  • Size

    618KB

  • MD5

    84a0e0284dd3fbda105bdacbfef58aa0

  • SHA1

    e9f37cede0f6f6d5b47b57a8d3bd5290029fa2fe

  • SHA256

    8c4365d54648de2dc433943c0e7749b554b2e505541f4f45eacbf8357d4102ca

  • SHA512

    67b34ab89b02de70d73bc9fed8630755ea187cd12b318a60b51e9d59861aee02276966eca91ccf1e7a7bab24cdf98d722f4c87a22a10de09d803281d1f3e3eb6

  • SSDEEP

    12288:QmKt6DsU6ngc3kY+KC5gzwGKZ4cuQW8XQAL019bqoFARwp:QR8Y+sxYWkX019bqgWwp

  Score

  10^/10

  phorphiexxmrigdiscoveryevasionexecutionloaderminerpersistencetrojanworm

  • Modifies security service

    evasion

  • Phorphiex payload

  • Phorphiex, Phorpiex

    Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

    wormtrojanloaderphorphiex

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Windows security bypass

    evasiontrojan

  • xmrig

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

    minerxmrig

  • XMRig Miner payload

    miner

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Downloads MZ/PE file

  • Stops running service(s)

    evasionexecution

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE

  • Loads dropped DLL

  • Windows security modification

    evasiontrojan

  • Adds Run key to start application

    persistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2