Overview

overview

10

Static

static

1

UpdatePDFV...775.js

windows10-2004-x64

10

UpdatePDFV...775.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    UpdatePDFViewer-404775.js
  • Size 656KB
  • Sample260827-gyc5eazejf
  • SHA256 46edcf6056183de11722ff45af1cbe24276e17c0ffa02038195ca6d81d12667a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://morning-wind-fd84.samuelcrowd12.workers.dev/1
  • exe.dropper

    https://morning-wind-fd84.samuelcrowd12.workers.dev/1

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 151.243.219.177:7005

Mutex

  • JczThf0ChgNRMS34

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      UpdatePDFViewer-404775.js
    • Size 656KB
    • SHA256 46edcf6056183de11722ff45af1cbe24276e17c0ffa02038195ca6d81d12667a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionxwormpersistencerattrojan

    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks