General

  • Target

    downloader.exe

  • Size

    30.1MB

  • Sample

    241117-1rwgystngn

  • MD5

    ce51ab4fa2a58a2fa1548f8b5fa4bc83

  • SHA1

    8d89a3fc9a1e4f03e73a1d4509a2ae5e567d6ba3

  • SHA256

    94ee5da3dcb01b3f75d0d974d18710293d02806e900cbad3b3401c79b9bf6263

  • SHA512

    c67652273485d72fde8d0659956429386ececbd17a464ebcd8b01e374a5de83f368483982365242ad77d28fb7a66b709b98aea70834a8613e9bb54debc0b2d16

  • SSDEEP

    393216:R8oimu7izBxR3QRzhzvQ99Sq8lu0q5tDJKoWSxJGBL7asmo+AJCcLKA4:R9w9wD5xUesbJCcg

Malware Config

Extracted

Family

xworm

Version

3.1

C2

83.38.24.1:1603

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    USB.exe

Targets

    • Target

      downloader.exe

    • Size

      30.1MB

    • MD5

      ce51ab4fa2a58a2fa1548f8b5fa4bc83

    • SHA1

      8d89a3fc9a1e4f03e73a1d4509a2ae5e567d6ba3

    • SHA256

      94ee5da3dcb01b3f75d0d974d18710293d02806e900cbad3b3401c79b9bf6263

    • SHA512

      c67652273485d72fde8d0659956429386ececbd17a464ebcd8b01e374a5de83f368483982365242ad77d28fb7a66b709b98aea70834a8613e9bb54debc0b2d16

    • SSDEEP

      393216:R8oimu7izBxR3QRzhzvQ99Sq8lu0q5tDJKoWSxJGBL7asmo+AJCcLKA4:R9w9wD5xUesbJCcg

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • 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.

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks