Overview

overview

10

Static

static

1

loader.bat

windows10-2004-x64

10

loader.bat

windows10-ltsc_2021-x64

10

loader.bat

windows11-21h2-x64

10

Sharing

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General

  • Target
    loader.bat
  • Size 283KB
  • Sample260713-cdsl5sc15v
  • SHA256 85999fede944d4319a8e8840f95efa6a58e2976c9272a759fe22e4b8abb2fe61
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloaderxwormadwaredefense_evasionexecutionloaderpersistenceratspywaretrojan

Malware Config

Extracted

Family

  • xworm

C2

  • 45.153.34.196:6767

Attributes
  • Install_directory

    %AppData%

  • install_file

    Contacts/sms.exe

Targets

    • Target
      loader.bat
    • Size 283KB
    • SHA256 85999fede944d4319a8e8840f95efa6a58e2976c9272a759fe22e4b8abb2fe61
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwaredefense_evasionexecutiondonutloaderxwormloaderpersistenceratspywaretrojan

    • Detect Xworm Payload

    • Detects DonutLoader

      loader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

      loaderdonutloader

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Deobfuscate/Decode Files or Information

      Payload decoded via CertUtil.

      defense_evasion
    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v16

Tasks