Analysis

  • max time kernel
    112s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 17:34

General

  • Target
    d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0aN.exe
  • Size 903KB
  • Sample250101-v5v6fsvney
  • SHA256 d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

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

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0aN.exe
    "C:\Users\Admin\AppData\Local\Temp\d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0aN.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Users\Admin\AppData\Local\Temp\._cache_d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0aN.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0aN.exe"
      2⤵
      • Executes dropped EXE
      PID:3432
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1440
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:1624
  • 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:4868

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 903KB
        • SHA256 d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0a
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0aN.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_d2670ba92705b5a935b010ce0d4d0e12b19fe42d6290e0f2c1b8c9443ae19d0aN.exe
        • Size 150KB
        • SHA256 423ea98c2ed98814650e99ec62e59e32ca65c9f670e653fe6452a2eb836dded7
        • MD5 SHA1 SHA512 SSDEEP

        08B75E00

        • Path C:\Users\Admin\AppData\Local\Temp\08B75E00
        • Size 21KB
        • SHA256 aed1edddadf472a758c2f57407e09e45010d5eb2c21705813b82770dd5a0fe01
        • MD5 SHA1 SHA512 SSDEEP

        dUNjs36P.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\dUNjs36P.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        memory/1440-128-0x00000000006A0000-0x00000000006A1000-memory.dmp

        memory/1440-274-0x0000000000400000-0x00000000004E8000-memory.dmp

        memory/1440-264-0x0000000000400000-0x00000000004E8000-memory.dmp

        memory/1440-242-0x00000000006A0000-0x00000000006A1000-memory.dmp

        memory/1440-241-0x0000000000400000-0x00000000004E8000-memory.dmp

        memory/4552-0-0x0000000002380000-0x0000000002381000-memory.dmp

        memory/4552-127-0x0000000000400000-0x00000000004E8000-memory.dmp

        memory/4868-191-0x00007FFA029D0000-0x00007FFA029E0000-memory.dmp

        memory/4868-194-0x00007FFA00170000-0x00007FFA00180000-memory.dmp

        memory/4868-193-0x00007FFA00170000-0x00007FFA00180000-memory.dmp

        memory/4868-192-0x00007FFA029D0000-0x00007FFA029E0000-memory.dmp

        memory/4868-190-0x00007FFA029D0000-0x00007FFA029E0000-memory.dmp

        memory/4868-188-0x00007FFA029D0000-0x00007FFA029E0000-memory.dmp

        memory/4868-189-0x00007FFA029D0000-0x00007FFA029E0000-memory.dmp