General

  • Target

    adw.exe

  • Size

    110KB

  • Sample

    240821-mphanaxekn

  • MD5

    873d23b0d914da099007377274719e4e

  • SHA1

    e821620eecd5231f8e529fd2496fee2ab07e34ff

  • SHA256

    9615a875deff7d17a7ca2d968bf3b65360d1f6f58babb85db3f158ffbe50fa3b

  • SHA512

    591d3de2e2c474d8bedbd9ebbc7d262aadec3a995f5437bd5adf8de8210f45b671622938629aa73d6fca39718df4c2833a42ff557e8818fe4cc65a29e73c006c

  • SSDEEP

    1536:feOqrr19/Rt4mfKCAZKm+WVrB392RN6QWSOgqJEwKXONRl75X2iOb23lMgq59MF:WDvZiotm+Wxh4mQWSASIl75lOELFF

Malware Config

Extracted

Family

xworm

C2

dead-he.gl.at.ply.gg:57200

Attributes
  • Install_directory

    %Public%

  • install_file

    svchost.exe

Targets

    • Target

      adw.exe

    • Size

      110KB

    • MD5

      873d23b0d914da099007377274719e4e

    • SHA1

      e821620eecd5231f8e529fd2496fee2ab07e34ff

    • SHA256

      9615a875deff7d17a7ca2d968bf3b65360d1f6f58babb85db3f158ffbe50fa3b

    • SHA512

      591d3de2e2c474d8bedbd9ebbc7d262aadec3a995f5437bd5adf8de8210f45b671622938629aa73d6fca39718df4c2833a42ff557e8818fe4cc65a29e73c006c

    • SSDEEP

      1536:feOqrr19/Rt4mfKCAZKm+WVrB392RN6QWSOgqJEwKXONRl75X2iOb23lMgq59MF:WDvZiotm+Wxh4mQWSASIl75lOELFF

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • StormKitty

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

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Drops file in Drivers directory

    • Possible privilege escalation attempt

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks