General

  • Target

    725c0bcdb953e39e96a0192d2712b261541647259e494c583d19697a10d2ffbe

  • Size

    75KB

  • Sample

    240907-vch1eswdmf

  • MD5

    cf219a189dae4a022f26dd58cd5367e6

  • SHA1

    76c2e7b756e894afc4e5fd7267fce398d58c518f

  • SHA256

    725c0bcdb953e39e96a0192d2712b261541647259e494c583d19697a10d2ffbe

  • SHA512

    21dc7cdd5ea07be708a5c696708207a1760851d2fbb608969254a8f3e806bbb87b6b27a4d5f4cecf1b5d90f6fc81759fd9f6222ddafdb955d41b0333ea085f1f

  • SSDEEP

    1536:jH5rQdEBziKJ86VKzwmd+bp6FabOYzTNddV6XItOyjyHTy3TWL4xdvGC:jH3F86VwwwAxbO2hdPtOyjUUTWsvGC

Malware Config

Extracted

Family

xworm

C2

lijaligibidu-35558.portmap.host:35558

Attributes
  • Install_directory

    %AppData%

  • install_file

    Windows Security.exe

Targets

    • Target

      725c0bcdb953e39e96a0192d2712b261541647259e494c583d19697a10d2ffbe

    • Size

      75KB

    • MD5

      cf219a189dae4a022f26dd58cd5367e6

    • SHA1

      76c2e7b756e894afc4e5fd7267fce398d58c518f

    • SHA256

      725c0bcdb953e39e96a0192d2712b261541647259e494c583d19697a10d2ffbe

    • SHA512

      21dc7cdd5ea07be708a5c696708207a1760851d2fbb608969254a8f3e806bbb87b6b27a4d5f4cecf1b5d90f6fc81759fd9f6222ddafdb955d41b0333ea085f1f

    • SSDEEP

      1536:jH5rQdEBziKJ86VKzwmd+bp6FabOYzTNddV6XItOyjyHTy3TWL4xdvGC:jH3F86VwwwAxbO2hdPtOyjUUTWsvGC

    • 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.

    • Deletes itself

    • Drops startup file

    • 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