Overview

overview

10

Static

static

1

Invoice Pa...Pdf.js

windows10-2004-x64

10

Invoice Pa...Pdf.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Invoice Payment_Pdf.JS
  • Size 2.3MB
  • Sample260710-pca2xsa16j
  • SHA256 905eb7ffdcfdf6d05705b1a42965292b84f1ff28e0d0007bb7fc885b929bc35f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
donutloaderxwormexecutionloaderrattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • watchthisyear.gotdns.ch:7474

Mutex

  • c1CYM1HMY9nWx8sZ

Attributes
  • Install_directory

    %AppData%

  • install_file

    word.exe

aes.plain

Targets

    • Target
      Invoice Payment_Pdf.JS
    • Size 2.3MB
    • SHA256 905eb7ffdcfdf6d05705b1a42965292b84f1ff28e0d0007bb7fc885b929bc35f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    executiondonutloaderxwormloaderrattrojan

    • 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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks