General

  • Target
    PO1007563.js
  • Size 2.0MB
  • Sample260709-jg161sd18m
  • SHA256 a2be0c572f5595208c6359fecab1f2236a88a6730546e6df3e92cebbb10036b3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 203.202.232.149:2222

Mutex
  • 4VeuKrW7wE9uXCl8

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      PO1007563.js
    • Size 2.0MB
    • SHA256 a2be0c572f5595208c6359fecab1f2236a88a6730546e6df3e92cebbb10036b3
    • 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.

    • Command and Scripting Interpreter: PowerShell

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks