Resubmissions

27/05/2024, 08:08

240527-j1msqsdc7s 10

General

  • Target

    kdmapper.exe

  • Size

    213KB

  • Sample

    240527-j1msqsdc7s

  • MD5

    8b0bec71c0c9bfb67fc51cfeca662758

  • SHA1

    aac11a7bcc44ac97f609375271d60b47d09764b6

  • SHA256

    8b20f47382ac9fb608e568787d9d2974a3c3716bf56ba0208ef5599b19db4a1c

  • SHA512

    0e62b0c72caccdc35307bf9175c101ac3b1076f918db54605bad71097104befff8d818977401ed808bfc8b1abc56c8c5af243bc9fdc51ee4e8b50fb1bfbb25b8

  • SSDEEP

    6144:tTsNwAJb5JrD89A32tvPHilDRfc8t0hVkPn:tAN9JFJrD89akvm9f5OVk

Malware Config

Extracted

Family

xworm

C2

45.88.90.228:7000

178.215.236.228:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    RtkAudUService64.exe

Targets

    • Target

      kdmapper.exe

    • Size

      213KB

    • MD5

      8b0bec71c0c9bfb67fc51cfeca662758

    • SHA1

      aac11a7bcc44ac97f609375271d60b47d09764b6

    • SHA256

      8b20f47382ac9fb608e568787d9d2974a3c3716bf56ba0208ef5599b19db4a1c

    • SHA512

      0e62b0c72caccdc35307bf9175c101ac3b1076f918db54605bad71097104befff8d818977401ed808bfc8b1abc56c8c5af243bc9fdc51ee4e8b50fb1bfbb25b8

    • SSDEEP

      6144:tTsNwAJb5JrD89A32tvPHilDRfc8t0hVkPn:tAN9JFJrD89akvm9f5OVk

    • Detect Neshta payload

    • Detect Xworm Payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • 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