Analysis

  • max time kernel
    118s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 09:56

General

  • Target
    d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18.exe
  • Size 8.4MB
  • Sample241218-lyd4xstpay
  • SHA256 d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18
  • 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 5 IoCs
  • Loads dropped DLL 24 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 6 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18.exe
    "C:\Users\Admin\AppData\Local\Temp\d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18.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:4264
    • C:\Users\Admin\AppData\Local\Temp\._cache_d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_.exe
        "C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2588
    • 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:3448
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3004
        • C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_.exe
          "C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_.exe" InjUpdate
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:4760
  • 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:864

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 8.4MB
        • SHA256 d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_d584e58130d63580e6ad71f41f09ca5b765d0516d26749e9ace7bc85d49c7a18.exe
        • Size 7.7MB
        • SHA256 b0edb941157eb8bb6b1e80d53b0ad2bce180f54abffddc08b7e7b2d20be445c1
        • MD5 SHA1 SHA512 SSDEEP

        D4A75E00

        • Path C:\Users\Admin\AppData\Local\Temp\D4A75E00
        • Size 22KB
        • SHA256 9ab5079ca0405b453d88af56785b1c904fe1f30ee1efc42d27c098e3f332f644
        • MD5 SHA1 SHA512 SSDEEP

        TeamViewer_.exe

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\TeamViewer_.exe
        • Size 7.5MB
        • SHA256 a52f02c33354022b329f86f6283235aa7a58942e60659dcce3069d3a873845bb
        • MD5 SHA1 SHA512 SSDEEP

        tvinfo.ini

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\tvinfo.ini
        • Size 102B
        • SHA256 dc2f88879af6cc7301370feac2e0fc83724e1641bfa3224b228c83eee8c680a5
        • MD5 SHA1 SHA512

        tvinfo.ini

        • Path C:\Users\Admin\AppData\Local\Temp\TeamViewer\tvinfo.ini
        • Size 47B
        • SHA256 6fc06809746090e4c55613cc16b7f673b89e4dd49a34f0f72c6f3d54225a5f75
        • MD5 SHA1 SHA512

        TvGetVersion.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsb6FD2.tmp\TvGetVersion.dll
        • Size 153KB
        • SHA256 3d661aaac7698a5b4611ca22bda5e0194d90ec238d9dfe7e4ab38a8d866176b0
        • MD5 SHA1 SHA512 SSDEEP

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 2892641c8836b58aa9937abc13db3585a71645ac2bbe18045c1216a1452e43ac
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 94bde605292510f8ae6df19083130770ae8c754906007ea93150cab63962190b
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 8b2293e7e7fc6654283576ba5584c92822023010db21936d615084c60f83e93c
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 a232f91df09c00221c973a349be233b84072e40059291f262f2cd8245ff6598f
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 6fad036ed47764ba096b0c63985f7bed31f64bb418e50a3a3162815760538120
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 470d0ca0e21d9896d714ad2aba3b2275ff94ae04417749fe79188128cf2c0446
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 fc0b85dcca16d70145249dc8eed4d1533f6f5e108157128c7eda5d4df506589b
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 8069c2ffe6ed58646830fe38f15668cfd380f4777e268d18a2d0b7d0613f8bb9
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 2ac764a02f611518da7e987e9bc6364086da24a9f06957274820a4d4405bed11
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsc732E.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 522d85a8e3459aa94e7884c27c8d0d72e46ae99167175d2647558b465f8267f3
        • MD5 SHA1 SHA512

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\InstallOptions.dll
        • Size 15KB
        • SHA256 f530069ef87a1c163c4fd63a3d5b053420ce3d7a98739c70211b4a99f90d6277
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\System.dll
        • Size 11KB
        • SHA256 7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae
        • MD5 SHA1 SHA512

        advanced_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\advanced_unicode.ini
        • Size 1KB
        • SHA256 cc18c611578d796a879cac46746406dbaa96eddd544d7a12d4fa56856cb2cbc1
        • MD5 SHA1 SHA512

        linker.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\linker.dll
        • Size 45KB
        • SHA256 f223d6c72f86544b358a6301daf60ccdd86198f32e3447a1860acf3f59f2dae9
        • MD5 SHA1 SHA512 SSDEEP

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 543b9ad566baf602ca9d59657ae1c922069fcb9565b474c5b3ff2f1fa155f30d
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 67b48c5d133138a25566fe1e437e2cc4ebf9855e1ccfbf304cb8f85d5ccc5c66
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 693d55706de4c9516796ec26a236653f3ea87b00f0f9e3a64c0c8546a0bf37b1
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 c20bceea2f3f658abf0b06989bfbd19ff40ef1a8db8daa33f00859fd5f362074
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 50c5aa5dc23f4b3a34132a95c1077a310fc7622955cd0a0f92266d6d81ca34e6
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 786536b015d44d73d63f3b1e2aa9444a367e6ed1ac8cf72f87d53ed94070719c
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 ca1bd23cb55ebb5043e6e60376f9fedc79f472da023cbd5305b638af1791018f
        • MD5 SHA1 SHA512

        start_unicode.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsh712B.tmp\start_unicode.ini
        • Size 2KB
        • SHA256 4df27439bf3246b0d57fbf3b21e374f14e1f3f87ef3948107ef2d8514b79eadd
        • MD5 SHA1 SHA512

        vsiNIEKc.xlsm

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

        memory/864-932-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

        memory/864-934-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

        memory/864-935-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

        memory/864-936-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

        memory/864-937-0x00007FFA64800000-0x00007FFA64810000-memory.dmp

        memory/864-938-0x00007FFA64800000-0x00007FFA64810000-memory.dmp

        memory/864-933-0x00007FFA668B0000-0x00007FFA668C0000-memory.dmp

        memory/3448-833-0x0000000000400000-0x0000000000C70000-memory.dmp

        memory/3448-1083-0x0000000000400000-0x0000000000C70000-memory.dmp

        memory/3448-2094-0x0000000000400000-0x0000000000C70000-memory.dmp

        memory/4264-0-0x0000000002A00000-0x0000000002A01000-memory.dmp

        memory/4264-157-0x0000000000400000-0x0000000000C70000-memory.dmp