General
- Target Feather Nowy.exe
- Size 174KB
- Sample240620-yns7bavflc
- SHA256 66116a575982dc2aafaa6dda428fd3b3f273b9a9b1d7e0ed789983a1c16d4c47
- MD5 cc40307c984c4da5778486f9f8e490d0
- SHA1 e0d09dd90cd8e6f2ac21bd91e7003c9bc0a15355
- SHA512 ec50078cb9d4cbbf29242a567b1b39e679676cead105e3babb73d20f3d09acf0a83f10e2ba73208dada2e34dea13f16df7ff1c919cee40fe9c1fc3b3cb4d81e4
- SSDEEP 3072:MrCMLrKETNbz7PgEUO3/X4ABz65/M6If+3Js+3JFkKeTnN:MGGKETNbXFN4AxBt25
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Behavioral task
behavioral1
Sample
Feather Nowy.exe
Resource
win10-20240404-en
16 signatures
150 seconds
Malware Config
Extracted
Family
-
xworm
C2
-
127.0.0.1:33694
-
lake-french.gl.at.ply.gg:33694
Attributes
-
Install_directory
%Temp%
-
install_file
Nowy Feather.exe
Targets
-
- Target Feather Nowy.exe
- Size 174KB
- SHA256 66116a575982dc2aafaa6dda428fd3b3f273b9a9b1d7e0ed789983a1c16d4c47
- MD5 cc40307c984c4da5778486f9f8e490d0
- SHA1 e0d09dd90cd8e6f2ac21bd91e7003c9bc0a15355
- SHA512 ec50078cb9d4cbbf29242a567b1b39e679676cead105e3babb73d20f3d09acf0a83f10e2ba73208dada2e34dea13f16df7ff1c919cee40fe9c1fc3b3cb4d81e4
- SSDEEP 3072:MrCMLrKETNbz7PgEUO3/X4ABz65/M6If+3Js+3JFkKeTnN:MGGKETNbXFN4AxBt25
- MD5 SHA1 SHA512 SSDEEP
Score10/10-
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
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Drops startup file
-
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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1