General

  • Target

    XWORM-V5.4.exe

  • Size

    14.2MB

  • Sample

    240904-reg95ashkg

  • MD5

    741b1f2ee5826897af2ba2ec765296e4

  • SHA1

    706534d9c6a16354974b3b6fd6d1f620524b7dd1

  • SHA256

    0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d

  • SHA512

    a0b14ab280d906a8ad1681e335d30a457b02355cc941d12208f2ef460a9b1f700b84789749ee2080fb4351cce09e3cceeb9fea94478c3c81ae1fb184892de03a

  • SSDEEP

    196608:q1X5v7sGYYHDZH3OrlZPtgLklkC9sSJP/rSzQHvWSpdUorPr/kvmXhJ9aCD:qHqDVgV+9kQH+SfLdrnD

Malware Config

Extracted

Family

xworm

Version

5.0

C2

45.141.26.197:7000

Mutex

9nYi5R05H806aXaO

Attributes
  • Install_directory

    %AppData%

  • install_file

    VLC_Media.exe

aes.plain

Targets

    • Target

      XWORM-V5.4.exe

    • Size

      14.2MB

    • MD5

      741b1f2ee5826897af2ba2ec765296e4

    • SHA1

      706534d9c6a16354974b3b6fd6d1f620524b7dd1

    • SHA256

      0b142a5773fcd9ae5cbb967f748e8da9a89e74aa50a0e1cd52f3aaa313bc749d

    • SHA512

      a0b14ab280d906a8ad1681e335d30a457b02355cc941d12208f2ef460a9b1f700b84789749ee2080fb4351cce09e3cceeb9fea94478c3c81ae1fb184892de03a

    • SSDEEP

      196608:q1X5v7sGYYHDZH3OrlZPtgLklkC9sSJP/rSzQHvWSpdUorPr/kvmXhJ9aCD:qHqDVgV+9kQH+SfLdrnD

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks