Extracted

Extracted

• • Target

    ey341.exe

  • Size

    64KB

  • MD5

    a43a55c5578f61d05ce146ead83e745a

  • SHA1

    83093f791120d3e74b0d0847aebc52d3c9f04078

  • SHA256

    de4d28dd8c9208fe86dec1e014913f3cfefdcadf73a7adb6eb062677f5f5772f

  • SHA512

    a49839e60d77003090e0c9f602a64e597648e7151d99c5096479984cee32d376c8bd425114704b9366d213d0e9494900a726dead28e0548c5b7788ad5e5cbf1d

  • SSDEEP

    1536:BmxzG1o8ep4jtWQ/GZg8S7gbgUBGK7/J6DOSsvk:Bmx61oFp4jtWQuuLgbgUgK7AOSss

  Score

  10^/10

  gurcuxwormbootkitevasionexecutionpersistenceratstealertrojanupx

  • Detect Xworm Payload

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

    stealergurcu

  • Modifies WinLogon for persistence

    persistence

  • UAC bypass

    evasiontrojan

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Disables RegEdit via registry modification

    evasion

  • Disables Task Manager via registry modification

    evasion

  • ACProtect 1.3x - 1.4x DLL software

    Detects file using ACProtect software.

  • Executes dropped EXE

  • Loads dropped DLL

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx

  • Adds Run key to start application

    persistence

  • Checks whether UAC is enabled

    evasiontrojan

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  behavioral1