General

  • Target
    Simple Checker 2098 🤝🤝.zip
  • Size 78.4MB
  • Sample261009-sv18lsbf66
  • SHA256 53362c959f0ec21d7bab3b366c22112183209fddf65b4b0a955489b895123179
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • dasczxcq.duckdns.org:4242

Mutex
  • R1JtmnPQSfe2qL06

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    explorer.exe

aes.plain

Targets

    • Target
      Simple Checker.exe
    • Size 24.9MB
    • SHA256 afe46999748f64442631212d001564f04af2526060f914161d25992e619e3802
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Target
      skyline.dll
    • Size 16.5MB
    • SHA256 ee164a9ea084d7a775df11b694ecdaffa3fb3ab0a4f1edf718c8c726d01d07dc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Target
      skylineloader.exe
    • Size 13.6MB
    • SHA256 5446dd5b5d80fd30775d77aeb8608bd4e0e4725ebcadde71b615cc5bd4eae97d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • 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

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      w64ms.exe
    • Size 26.2MB
    • SHA256 30baaf04f06726e3a6f59c2fe1ad02400aeb7725d6f5cb429a357a9d77cbd24f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Loads dropped DLL

    • Target
      w64ms.py
    • Size 4.8MB
    • SHA256 7cb302b223b3e8abbe31ca48bc66e14c906fc2e39ea5b41b1fa4e7d7872f1feb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks