General

  • Target

    1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN

  • Size

    91KB

  • Sample

    240919-gnsr4stfkd

  • MD5

    758bace8cda039bf69fc0911e57c0b70

  • SHA1

    cd38f2833fc1f3ef0935fea64835df0adb18224a

  • SHA256

    1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5b

  • SHA512

    021c2eb621bc84d264cfe20334bfbe4981a69fb675bba9fc90db4c4fd26837daf0a8b69590d35bafb4860688af0d9a37142350a698964b09b24d162587780f90

  • SSDEEP

    1536:It/CUcGlrtCdnbDfHmGROwzcWEniB6b6eOyRuC6ZN/9w7bOHjQPjn:kCqBCd/fhROw1EA6b6eTuFNFw7bODQLn

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:63419

Attributes
  • Install_directory

    %AppData%

  • install_file

    зсу.exe

Targets

    • Target

      1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5bN

    • Size

      91KB

    • MD5

      758bace8cda039bf69fc0911e57c0b70

    • SHA1

      cd38f2833fc1f3ef0935fea64835df0adb18224a

    • SHA256

      1a2054fcc986058de7b392795325a85d83ce9612537457b7edd03e8f6ff8dc5b

    • SHA512

      021c2eb621bc84d264cfe20334bfbe4981a69fb675bba9fc90db4c4fd26837daf0a8b69590d35bafb4860688af0d9a37142350a698964b09b24d162587780f90

    • SSDEEP

      1536:It/CUcGlrtCdnbDfHmGROwzcWEniB6b6eOyRuC6ZN/9w7bOHjQPjn:kCqBCd/fhROw1EA6b6eTuFNFw7bODQLn

    • 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.

    • Executes dropped EXE

    • 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.

MITRE ATT&CK Enterprise v15

Tasks