General

  • Target

    24e67548df5a641935f0c8334190ac289a50b02a140a0f2a2f9897581a5e9d7e

  • Size

    152KB

  • Sample

    241109-p1s8eaxmhp

  • MD5

    772e609529a67bd0524c583acf8259dd

  • SHA1

    895f2ecf2945796cf20414d63bfeebd6a89d5039

  • SHA256

    24e67548df5a641935f0c8334190ac289a50b02a140a0f2a2f9897581a5e9d7e

  • SHA512

    4eccbac440cb2c64d3ec9c284748030e0ab247f2bd48d47e0b5e90caa74a8bf31f867f2505bdceca1f5feffabd0b1a39bd50db323850de33f8315de64fa5b3c1

  • SSDEEP

    3072:uWhBzZGqJ1ueo/S11SF1I+sRES/W0KwHVOy0VjHBaeV+jLcTpyq9J:uuBzVJ1upSe/W/4wArBaeVcLcD9

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:46987

germany-equally.gl.at.ply.gg:46987

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1304758791119573022/NvFMMmX_pxtti9SmarYx57UbyGiz6U-OIecbcV9_MeGQ9b2_1tu63kv3ZlsU6P8xgPYv

Targets

    • Target

      24e67548df5a641935f0c8334190ac289a50b02a140a0f2a2f9897581a5e9d7e

    • Size

      152KB

    • MD5

      772e609529a67bd0524c583acf8259dd

    • SHA1

      895f2ecf2945796cf20414d63bfeebd6a89d5039

    • SHA256

      24e67548df5a641935f0c8334190ac289a50b02a140a0f2a2f9897581a5e9d7e

    • SHA512

      4eccbac440cb2c64d3ec9c284748030e0ab247f2bd48d47e0b5e90caa74a8bf31f867f2505bdceca1f5feffabd0b1a39bd50db323850de33f8315de64fa5b3c1

    • SSDEEP

      3072:uWhBzZGqJ1ueo/S11SF1I+sRES/W0KwHVOy0VjHBaeV+jLcTpyq9J:uuBzVJ1upSe/W/4wArBaeVcLcD9

    • Detect Umbral payload

    • Detect Xworm Payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Umbral family

    • 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

    • 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