General

  • Target

    50112d6ed2bd13bbee31b4c140a24f5c70ddf0d84b58c95fe9396089ae0c489b.exe

  • Size

    92KB

  • Sample

    241202-pjvd5sypbk

  • MD5

    1904f07deb95bcb2b55a148f5029e1d8

  • SHA1

    3d4c06fca2699a56d47620defe6e5cf7ab31fd1b

  • SHA256

    50112d6ed2bd13bbee31b4c140a24f5c70ddf0d84b58c95fe9396089ae0c489b

  • SHA512

    c16fef4beee44c3fbfde1202676c2977685c729f6655bdf208e66082e86fb5ab7ca34a69f3fea2330637687ccbd5be8b24ef0c8e1bc99862de36c618e988ca77

  • SSDEEP

    1536:crJI24EUYDOqNzm5Rw7SnSXC3bWbZ64mP6ALIFOVpwOVkqZfVM+5Jhb:crJFewmSXmbWbZmJLYA+OXRVM+pb

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    MicrosoftEdgeUpdateTaskMachineRU.exe

  • pastebin_url

    https://pastebin.com/raw/mNLAd9Px

Targets

    • Target

      50112d6ed2bd13bbee31b4c140a24f5c70ddf0d84b58c95fe9396089ae0c489b.exe

    • Size

      92KB

    • MD5

      1904f07deb95bcb2b55a148f5029e1d8

    • SHA1

      3d4c06fca2699a56d47620defe6e5cf7ab31fd1b

    • SHA256

      50112d6ed2bd13bbee31b4c140a24f5c70ddf0d84b58c95fe9396089ae0c489b

    • SHA512

      c16fef4beee44c3fbfde1202676c2977685c729f6655bdf208e66082e86fb5ab7ca34a69f3fea2330637687ccbd5be8b24ef0c8e1bc99862de36c618e988ca77

    • SSDEEP

      1536:crJI24EUYDOqNzm5Rw7SnSXC3bWbZ64mP6ALIFOVpwOVkqZfVM+5Jhb:crJFewmSXmbWbZmJLYA+OXRVM+pb

    • 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

    • Adds Run key to start application

    • 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.

MITRE ATT&CK Enterprise v15

Tasks