General

  • Target

    crack.exe

  • Size

    25.6MB

  • Sample

    250123-fjh7favkan

  • MD5

    5b4d546657c9621ddb73d0211673b8a3

  • SHA1

    98cdd61918e58e8aef7d7c9f39b063a7e8edba57

  • SHA256

    13aeace4f0c58a6d847d2d1f2453af9c7b21f385d20b81d8f5b59fc4422de5a2

  • SHA512

    ddd25072b68d5722d50dd4e3f902b43d140fbeb25811b265ce0bf17e0f8d069aa3cd309d642fdefdeceef21501980bffea6f6f76b943c47f89ab59537c4497cf

  • SSDEEP

    786432:IlprwYaj31AxBb6wPUj4Vu6a3zy5bxxEhcMzMw5FpsD:eprwYaA5UjMAyxchcm5UD

Malware Config

Extracted

Family

xworm

C2

success-evans.gl.at.ply.gg:27566

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    System.exe

Targets

    • Target

      crack.exe

    • Size

      25.6MB

    • MD5

      5b4d546657c9621ddb73d0211673b8a3

    • SHA1

      98cdd61918e58e8aef7d7c9f39b063a7e8edba57

    • SHA256

      13aeace4f0c58a6d847d2d1f2453af9c7b21f385d20b81d8f5b59fc4422de5a2

    • SHA512

      ddd25072b68d5722d50dd4e3f902b43d140fbeb25811b265ce0bf17e0f8d069aa3cd309d642fdefdeceef21501980bffea6f6f76b943c47f89ab59537c4497cf

    • SSDEEP

      786432:IlprwYaj31AxBb6wPUj4Vu6a3zy5bxxEhcMzMw5FpsD:eprwYaA5UjMAyxchcm5UD

    • Detect Xworm Payload

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Exelastealer family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks