Analysis

  • max time kernel
    146s
  • max time network
    144s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25/04/2025, 02:54

General

  • Target
    ggggg.exe
  • Size 965KB
  • Sample250425-dd3b1syscs
  • SHA256 61437d273cb1204be0e52d3bc516ea98a6eadcfd044bdf034669773893b58a64
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 27.ip.gl.ply.gg:56776

Mutex
  • dpyP0CF9yvSgrflb

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Extracted

Family
  • xred

C2
  • xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Detect Xworm Payload 7 IoCs
  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ggggg.exe
    "C:\Users\Admin\AppData\Local\Temp\ggggg.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\._cache_ggggg.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_ggggg.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:868
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3364
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3288
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\ProgramData\Synaptics\Synaptics.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\ProgramData\Synaptics\Synaptics.exe
      C:\ProgramData\Synaptics\Synaptics.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2480
      • C:\Windows\SysWOW64\._cache_Synaptics.exe
        "C:\Windows\system32\._cache_Synaptics.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:5236
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3632
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\._cache_ggggg.exe
    1⤵
      PID:2336

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Synaptics.exe

          • Path C:\ProgramData\Synaptics\Synaptics.exe
          • Size 965KB
          • SHA256 61437d273cb1204be0e52d3bc516ea98a6eadcfd044bdf034669773893b58a64
          • MD5 SHA1 SHA512 SSDEEP

          ._cache_Synaptics.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\._cache_Synaptics.exe.log
          • Size 654B
          • SHA256 e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3
          • MD5 SHA1 SHA512

          ._cache_ggggg.exe

          • Path C:\Users\Admin\AppData\Local\Temp\._cache_ggggg.exe
          • Size 211KB
          • SHA256 7b3e188f72cce2901afcf244e6372f7ead5c5f66ee6a264c429b877dc02abb11
          • MD5 SHA1 SHA512 SSDEEP

          uFSpO3Nj.xlsm

          • Path C:\Users\Admin\AppData\Local\Temp\uFSpO3Nj.xlsm
          • Size 17KB
          • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
          • MD5 SHA1 SHA512 SSDEEP

          memory/868-70-0x00007FF9C6583000-0x00007FF9C6585000-memory.dmp

          memory/868-71-0x00000000001D0000-0x000000000020A000-memory.dmp

          memory/868-284-0x00007FF9C6580000-0x00007FF9C7042000-memory.dmp

          memory/868-282-0x00007FF9C6580000-0x00007FF9C7042000-memory.dmp

          memory/2480-253-0x0000000000400000-0x00000000004F7000-memory.dmp

          memory/3364-313-0x0000000000400000-0x00000000004F7000-memory.dmp

          memory/3364-283-0x0000000000400000-0x00000000004F7000-memory.dmp

          memory/3632-255-0x00007FF9A7470000-0x00007FF9A7480000-memory.dmp

          memory/3632-259-0x00007FF9A4AB0000-0x00007FF9A4AC0000-memory.dmp

          memory/3632-260-0x00007FF9A4AB0000-0x00007FF9A4AC0000-memory.dmp

          memory/3632-258-0x00007FF9A7470000-0x00007FF9A7480000-memory.dmp

          memory/3632-257-0x00007FF9A7470000-0x00007FF9A7480000-memory.dmp

          memory/3632-256-0x00007FF9A7470000-0x00007FF9A7480000-memory.dmp

          memory/3632-254-0x00007FF9A7470000-0x00007FF9A7480000-memory.dmp

          memory/4460-0-0x00000000024A0000-0x00000000024A1000-memory.dmp

          memory/4460-132-0x0000000000400000-0x00000000004F7000-memory.dmp