Analysis

  • max time kernel
    112s
  • 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
    19-11-2024 17:00

General

  • Target

    c2ebf9821b6abbceb29dcc4fe0ca4285a1bbcbc51525b8d1efb2fca948a9bdacN.exe

  • Size

    976KB

  • MD5

    547c938c518721d96827df79f799a100

  • SHA1

    5e818cb4f636f967bb103e6fb9fc0709ba799630

  • SHA256

    c2ebf9821b6abbceb29dcc4fe0ca4285a1bbcbc51525b8d1efb2fca948a9bdac

  • SHA512

    5327bcf390c8065fe83c76c678a2946c00bea23a02b4b2814abe5f07ce9f3cad070885284d969d6a62f55f57081942aa6c4ff05b1e0af25dcb7844f295a4d817

  • SSDEEP

    24576:PnsJ39LyjbJkQFMhmC+6GD9hDZwatUnhUN:PnsHyjtk2MYC5GDux0

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 1 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\c2ebf9821b6abbceb29dcc4fe0ca4285a1bbcbc51525b8d1efb2fca948a9bdacN.exe
    "C:\Users\Admin\AppData\Local\Temp\c2ebf9821b6abbceb29dcc4fe0ca4285a1bbcbc51525b8d1efb2fca948a9bdacN.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:2164
    • C:\Users\Admin\AppData\Local\Temp\._cache_c2ebf9821b6abbceb29dcc4fe0ca4285a1bbcbc51525b8d1efb2fca948a9bdacN.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_c2ebf9821b6abbceb29dcc4fe0ca4285a1bbcbc51525b8d1efb2fca948a9bdacN.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1844
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 808
        3⤵
        • Program crash
        PID:4980
    • 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:1432
      • 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
        • Suspicious use of SetWindowsHookEx
        PID:4244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1844 -ip 1844
    1⤵
      PID:5032
    • 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:2308

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\Synaptics\Synaptics.exe

      Filesize

      976KB

      MD5

      547c938c518721d96827df79f799a100

      SHA1

      5e818cb4f636f967bb103e6fb9fc0709ba799630

      SHA256

      c2ebf9821b6abbceb29dcc4fe0ca4285a1bbcbc51525b8d1efb2fca948a9bdac

      SHA512

      5327bcf390c8065fe83c76c678a2946c00bea23a02b4b2814abe5f07ce9f3cad070885284d969d6a62f55f57081942aa6c4ff05b1e0af25dcb7844f295a4d817

    • C:\Users\Admin\AppData\Local\Temp\._cache_c2ebf9821b6abbceb29dcc4fe0ca4285a1bbcbc51525b8d1efb2fca948a9bdacN.exe

      Filesize

      220KB

      MD5

      e2d64328061ce1a829d5025f7418b212

      SHA1

      11fae83904271c47c84f0ed646e87fec6dfdfbc4

      SHA256

      d7550bb2af35dd19edd8f7d15a2e42bd8ddb403f3b789ef60da0bef092b2aa5f

      SHA512

      4b177ae04f1a1f12f4fe6fa33a93d4ca257cbe8af9f4a64d96448ab9d09e2c3d87e7b6caa60919c3e001e7e95c891ff8febf33ae09cd9bf27ec86fc8be942b13

    • C:\Users\Admin\AppData\Local\Temp\h2qxeUlU.xlsm

      Filesize

      17KB

      MD5

      af4d37aad8b34471da588360a43e768a

      SHA1

      83ed64667d4e68ea531b8bcf58aab3ed4a5ca998

      SHA256

      e7550c3453156531308fda255a198c3710aa4bc7412819c180b103c11e85cef1

      SHA512

      74f5000038c47b7c909c4ee5740e0e87cac12c9c96fff8b1c7ec749541ee3d4b7efd80f9ac02cd39809dca3f2707d0063fa852a3a541342d93a9d03de08823da

    • memory/1432-215-0x0000000000400000-0x00000000004FA000-memory.dmp

      Filesize

      1000KB

    • memory/1432-103-0x0000000002350000-0x0000000002351000-memory.dmp

      Filesize

      4KB

    • memory/1432-165-0x0000000000400000-0x00000000004FA000-memory.dmp

      Filesize

      1000KB

    • memory/1432-194-0x0000000000400000-0x00000000004FA000-memory.dmp

      Filesize

      1000KB

    • memory/1432-187-0x0000000000400000-0x00000000004FA000-memory.dmp

      Filesize

      1000KB

    • memory/1432-183-0x0000000000400000-0x00000000004FA000-memory.dmp

      Filesize

      1000KB

    • memory/1844-61-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/1844-166-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB

    • memory/2164-102-0x0000000000400000-0x00000000004FA000-memory.dmp

      Filesize

      1000KB

    • memory/2164-0-0x0000000002280000-0x0000000002281000-memory.dmp

      Filesize

      4KB

    • memory/2308-168-0x00007FFA06810000-0x00007FFA06820000-memory.dmp

      Filesize

      64KB

    • memory/2308-172-0x00007FFA04060000-0x00007FFA04070000-memory.dmp

      Filesize

      64KB

    • memory/2308-173-0x00007FFA04060000-0x00007FFA04070000-memory.dmp

      Filesize

      64KB

    • memory/2308-171-0x00007FFA06810000-0x00007FFA06820000-memory.dmp

      Filesize

      64KB

    • memory/2308-170-0x00007FFA06810000-0x00007FFA06820000-memory.dmp

      Filesize

      64KB

    • memory/2308-169-0x00007FFA06810000-0x00007FFA06820000-memory.dmp

      Filesize

      64KB

    • memory/2308-167-0x00007FFA06810000-0x00007FFA06820000-memory.dmp

      Filesize

      64KB

    • memory/4244-164-0x0000000000400000-0x000000000044C000-memory.dmp

      Filesize

      304KB