General

  • Target

    Microsoft Edge Extention.exe

  • Size

    187KB

  • Sample

    250124-ns2zxaxrap

  • MD5

    d84b7ea8c978dd822e5e777bba5cec0d

  • SHA1

    4c7c51e2da136c46dd3788e7e7a559f8e02cd661

  • SHA256

    cc63182619e0337324e6a5f31677e70f660d049ea0a8b4710e50e2692842497c

  • SHA512

    a272501053bf03d28e3f1daf8d5dc4a811f5211a99c89bc45ddb0435294ebebf074cf78a959c6a8ee252d7001340b413a53b8db0af145dfcff6c51e3c5b57d22

  • SSDEEP

    3072:amV+Wqa2anXobLhFEd3OVPXqvRUGKXs+S++7KFSbxeY+qDDrMX:amV+WqaxXobTEd0FGqStKEbxI

Malware Config

Extracted

Family

xworm

C2

republic-python.gl.at.ply.gg:26535

Attributes
  • Install_directory

    %Temp%

  • install_file

    XClient.exe

Targets

    • Target

      Microsoft Edge Extention.exe

    • Size

      187KB

    • MD5

      d84b7ea8c978dd822e5e777bba5cec0d

    • SHA1

      4c7c51e2da136c46dd3788e7e7a559f8e02cd661

    • SHA256

      cc63182619e0337324e6a5f31677e70f660d049ea0a8b4710e50e2692842497c

    • SHA512

      a272501053bf03d28e3f1daf8d5dc4a811f5211a99c89bc45ddb0435294ebebf074cf78a959c6a8ee252d7001340b413a53b8db0af145dfcff6c51e3c5b57d22

    • SSDEEP

      3072:amV+Wqa2anXobLhFEd3OVPXqvRUGKXs+S++7KFSbxeY+qDDrMX:amV+WqaxXobTEd0FGqStKEbxI

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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