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Analysis

  • max time kernel
    141s
  • max time network
    151s
  • 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, 00:45

General

  • Target

    8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe

  • Size

    2.2MB

  • MD5

    00c3dea667e2b04fa4c07b534137f6f5

  • SHA1

    ef4df9e0ffd5d10b70e18ed2fc29bb30f51bc4e2

  • SHA256

    8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70

  • SHA512

    57b5243193b1349df7d8eb6b1c70ede8430295fb90955ac61cbb8aef87be1efdf4ce761bdd331cced7f5f8f8a794f282f866d0a784b94ee30dffcdd5bd853d5d

  • SSDEEP

    24576:rnsJ39LyjbJkQFMhmC+6GD9mmXKSLhy9lEi4cXndp0KMzcpxXLpQ6RaILIMDd:rnsHyjtk2MYC5GDnFy9bHQnmd

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).

  • Program crash 2 IoCs
  • 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\8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe
    "C:\Users\Admin\AppData\Local\Temp\8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.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:116
    • C:\Users\Admin\AppData\Local\Temp\._cache_8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:620
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 620 -s 824
        3⤵
        • Program crash
        PID:4840
    • 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:2540
      • 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:5052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 824
          4⤵
          • Program crash
          PID:3880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 620 -ip 620
    1⤵
      PID:4764
    • 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:3732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5052 -ip 5052
      1⤵
        PID:2100

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Synaptics\Synaptics.exe

        Filesize

        2.2MB

        MD5

        00c3dea667e2b04fa4c07b534137f6f5

        SHA1

        ef4df9e0ffd5d10b70e18ed2fc29bb30f51bc4e2

        SHA256

        8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70

        SHA512

        57b5243193b1349df7d8eb6b1c70ede8430295fb90955ac61cbb8aef87be1efdf4ce761bdd331cced7f5f8f8a794f282f866d0a784b94ee30dffcdd5bd853d5d

      • C:\Users\Admin\AppData\Local\Temp\._cache_8d45db15e5ce613af3ec3e49dd1733ffa4e0d082a9a7be70b601891ee302ec70.exe

        Filesize

        1.4MB

        MD5

        2555774cd1c4c5647221b87cc2cf0df2

        SHA1

        238425ea7b788df6def4c28d617d2c32ae9e4e57

        SHA256

        c8ee018d958ebad1f42053ffe38ab1763ebb115bde00e340297fcdfac9967376

        SHA512

        2069e78a4478285b2440bd96e8788503a4948c4c63ffa005f093f7f242dae1a40cf67bd559cce89c3396537af267eedebcd0dc81f0c9c04e0da875fdc2e36321

      • C:\Users\Admin\AppData\Local\Temp\61B75E00

        Filesize

        21KB

        MD5

        bb76c6e824f903016a19de52252b09b9

        SHA1

        d313dbcf365f3c15cf4ddd683fed20e1387ad69e

        SHA256

        7404459544aab88ca89f53000d538177127cc18cd47d8f16509deef10022d698

        SHA512

        b2739b3b911afa4938622ead7e40036b420a24e0d3ef4be8c9c0f483ecf578ecb42bd978158512b376078f3afdb6a3eaf3d75c92b7ddca31d0cffc1b05fbbc16

      • C:\Users\Admin\AppData\Local\Temp\LYLmu1xi.xlsm

        Filesize

        17KB

        MD5

        e566fc53051035e1e6fd0ed1823de0f9

        SHA1

        00bc96c48b98676ecd67e81a6f1d7754e4156044

        SHA256

        8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

        SHA512

        a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

      • memory/116-130-0x0000000000400000-0x0000000000632000-memory.dmp

        Filesize

        2.2MB

      • memory/116-0-0x00000000024D0000-0x00000000024D1000-memory.dmp

        Filesize

        4KB

      • memory/620-119-0x0000000000A90000-0x0000000000C06000-memory.dmp

        Filesize

        1.5MB

      • memory/620-132-0x0000000005CB0000-0x0000000006254000-memory.dmp

        Filesize

        5.6MB

      • memory/620-118-0x0000000072C5E000-0x0000000072C5F000-memory.dmp

        Filesize

        4KB

      • memory/2540-131-0x00000000008F0000-0x00000000008F1000-memory.dmp

        Filesize

        4KB

      • memory/2540-278-0x0000000000400000-0x0000000000632000-memory.dmp

        Filesize

        2.2MB

      • memory/2540-246-0x0000000000400000-0x0000000000632000-memory.dmp

        Filesize

        2.2MB

      • memory/2540-247-0x00000000008F0000-0x00000000008F1000-memory.dmp

        Filesize

        4KB

      • memory/3732-196-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp

        Filesize

        64KB

      • memory/3732-199-0x00007FFF7EEA0000-0x00007FFF7EEB0000-memory.dmp

        Filesize

        64KB

      • memory/3732-198-0x00007FFF7EEA0000-0x00007FFF7EEB0000-memory.dmp

        Filesize

        64KB

      • memory/3732-193-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp

        Filesize

        64KB

      • memory/3732-197-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp

        Filesize

        64KB

      • memory/3732-194-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp

        Filesize

        64KB

      • memory/3732-195-0x00007FFF81090000-0x00007FFF810A0000-memory.dmp

        Filesize

        64KB