Analysis

  • max time kernel
    111s
  • max time network
    98s
  • 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, 22:51

General

  • Target
    30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116.exe
  • Size 788KB
  • Sample250101-2s1zhaypay
  • SHA256 30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116
  • 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 4 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\30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116.exe
    "C:\Users\Admin\AppData\Local\Temp\30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116.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:1804
    • C:\Users\Admin\AppData\Local\Temp\._cache_30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5108
    • 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:3620
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3508
  • 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:4776

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 788KB
        • SHA256 30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_30515833212070be547505c804496e24a61ab073af48564ddc6d4078a3bef116.exe
        • Size 35KB
        • SHA256 3b72ae100898d89fd006594b1a3ce9d0e1df868b056d3499eb6e5aa75831a568
        • MD5 SHA1 SHA512 SSDEEP

        D4C75E00

        • Path C:\Users\Admin\AppData\Local\Temp\D4C75E00
        • Size 24KB
        • SHA256 317d4c6000fc47d0942c5decaf93f0607bb0ba984500c14c3b3f7ccd9c705fd0
        • MD5 SHA1 SHA512 SSDEEP

        pVTsndt1.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\pVTsndt1.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        memory/1804-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

        memory/1804-102-0x0000000000400000-0x00000000004CB000-memory.dmp

        memory/3508-137-0x0000000000400000-0x0000000000419000-memory.dmp

        memory/3508-138-0x0000000000400000-0x0000000000419000-memory.dmp

        memory/3620-228-0x0000000000400000-0x00000000004CB000-memory.dmp

        memory/3620-103-0x0000000000720000-0x0000000000721000-memory.dmp

        memory/3620-197-0x0000000000400000-0x00000000004CB000-memory.dmp

        memory/3620-141-0x0000000000400000-0x00000000004CB000-memory.dmp

        memory/4776-148-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

        memory/4776-146-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

        memory/4776-147-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

        memory/4776-145-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

        memory/4776-149-0x00007FFB10530000-0x00007FFB10540000-memory.dmp

        memory/4776-150-0x00007FFB10530000-0x00007FFB10540000-memory.dmp

        memory/4776-144-0x00007FFB12690000-0x00007FFB126A0000-memory.dmp

        memory/5108-143-0x0000000000400000-0x0000000000419000-memory.dmp

        memory/5108-139-0x0000000000400000-0x0000000000419000-memory.dmp

        memory/5108-33-0x0000000000400000-0x0000000000419000-memory.dmp