General

  • Target

    main.py.exe

  • Size

    44KB

  • Sample

    240828-qfg53s1ekq

  • MD5

    aacd79d677898cf5c143ee144aeacdba

  • SHA1

    1f6bbacd1373226e2ef53cca19754be6b8d73619

  • SHA256

    1179583d5b06240bdfbd61745abeb7706e4b75d2d42a561b71f39d8e6edb9e7e

  • SHA512

    f3a144841980da5fb5105731033c596d2e96e68a663af4790fa0009b58e479d6dcf4a7f69aff2a4ae56f4e28ee86b00cce3dac24739826ec980ab699a338e46a

  • SSDEEP

    768:/0yUbkms0JqxXAsvfgf3okU2jCp/J7X+F+R9pP46vOChQbWL6h:/0/bkt0JqhAmfU5U2jG/FOF09R46vOCK

Malware Config

Extracted

Family

xworm

Version

5.0

C2

coming-park.gl.at.ply.gg:2444

Mutex

RaGFrRd5XNdQrnY7

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target

      main.py.exe

    • Size

      44KB

    • MD5

      aacd79d677898cf5c143ee144aeacdba

    • SHA1

      1f6bbacd1373226e2ef53cca19754be6b8d73619

    • SHA256

      1179583d5b06240bdfbd61745abeb7706e4b75d2d42a561b71f39d8e6edb9e7e

    • SHA512

      f3a144841980da5fb5105731033c596d2e96e68a663af4790fa0009b58e479d6dcf4a7f69aff2a4ae56f4e28ee86b00cce3dac24739826ec980ab699a338e46a

    • SSDEEP

      768:/0yUbkms0JqxXAsvfgf3okU2jCp/J7X+F+R9pP46vOChQbWL6h:/0/bkt0JqhAmfU5U2jG/FOF09R46vOCK

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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