General

  • Target
    PURCHASE-01.js
  • Size 995KB
  • Sample260811-ktedfsde27
  • SHA256 0da02f091c865f8c8577f9e6baa82dd9126ade41c7eef3968571fad1971a8ae1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://long-wildflower-b4f5.gustavosoftware.workers.dev/jyvna

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 31.57.184.10:5050

Mutex
  • UZfnVycrHJahxRhk

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      PURCHASE-01.js
    • Size 995KB
    • SHA256 0da02f091c865f8c8577f9e6baa82dd9126ade41c7eef3968571fad1971a8ae1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • 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.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks