General

  • Target
    Order invoice.rar
  • Size 329KB
  • Sample260723-pc3f6swtey
  • SHA256 4b8d05068f084d6fa4d6f1e7a28b660e6d401ea382fbdcdc8457899879e99f4e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • oman101.duckdns.org:4545

Mutex
  • pe7B8RV9EP0Gtp98

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Targets

    • Target
      Order invoice.xlsm
    • Size 354KB
    • SHA256 8e35ecb913c6fcde475d68a726ce847c179d855d56a914efc460b5a4134b186b
    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks