General

  • Target

    GenFix.bat

  • Size

    401KB

  • Sample

    240919-2alf4atfjb

  • MD5

    396f629fa0f81da870e028d3e8b3b2f1

  • SHA1

    c5e29659587484e3a5e92ebbe93f7cfb9cc2495b

  • SHA256

    9a8ff234164af1f4fb884d68d21b690600b2226db0edda6a1112e09186d2161e

  • SHA512

    56a8f1cffe61fc74cb4713dd621337822f31fcac9ef615d03dcb6f01079847429d24fa7e3c7fe0e01b284fd18b559f76be1d2b00ab9bf699a7a92253aabbfd4e

  • SSDEEP

    12288:b0Gbg7FXZQPlZss3VyceHwDKJrjVzcwwbJi7:b0GomPEYVyZwDsrjJwbc7

Malware Config

Extracted

Family

xworm

C2

press-pairs.gl.at.ply.gg:50154

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target

      GenFix.bat

    • Size

      401KB

    • MD5

      396f629fa0f81da870e028d3e8b3b2f1

    • SHA1

      c5e29659587484e3a5e92ebbe93f7cfb9cc2495b

    • SHA256

      9a8ff234164af1f4fb884d68d21b690600b2226db0edda6a1112e09186d2161e

    • SHA512

      56a8f1cffe61fc74cb4713dd621337822f31fcac9ef615d03dcb6f01079847429d24fa7e3c7fe0e01b284fd18b559f76be1d2b00ab9bf699a7a92253aabbfd4e

    • SSDEEP

      12288:b0Gbg7FXZQPlZss3VyceHwDKJrjVzcwwbJi7:b0GomPEYVyZwDsrjJwbc7

    • Detect Xworm Payload

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Drops startup 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 local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks