Resubmissions

29-11-2024 08:33

241129-kfxb4svrcz 10

02-10-2024 10:46

241002-mtys7swckg 7

Analysis

  • max time kernel
    30s
  • max time network
    31s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 08:33

General

  • Target

    01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe

  • Size

    868KB

  • MD5

    feb667833a9fc69fcbf42aa7e0046733

  • SHA1

    29c1b88fa3d36ae9f5e4501572c51338770617ff

  • SHA256

    01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151

  • SHA512

    4788e08d6e392d21e7adcb87fe9e3c93055f579ef014042909a1d07f4b268c42c792426a829025709636858e3206fbc2bf590baec3688325c3634683ac425617

  • SSDEEP

    12288:xMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9ytt2pIj:xnsJ39LyjbJkQFMhmC+6GD9s2po

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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe
    "C:\Users\Admin\AppData\Local\Temp\01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.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:3640
    • C:\Users\Admin\AppData\Local\Temp\._cache_01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4936
    • 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:1984
      • 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 FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1664
  • 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:4604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    868KB

    MD5

    feb667833a9fc69fcbf42aa7e0046733

    SHA1

    29c1b88fa3d36ae9f5e4501572c51338770617ff

    SHA256

    01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151

    SHA512

    4788e08d6e392d21e7adcb87fe9e3c93055f579ef014042909a1d07f4b268c42c792426a829025709636858e3206fbc2bf590baec3688325c3634683ac425617

  • C:\Users\Admin\AppData\Local\Temp\._cache_01c98bf4996afe3d974b785d667aa91f118a0351b6c5290db526183548775151.exe

    Filesize

    114KB

    MD5

    4209bf98881632ce68ed637d2fd4046d

    SHA1

    90882ae0e976df75c7a802c1d251d3c3a66a8982

    SHA256

    3251630556d4979d5126d4525318c94da12fefec7013d9f118e68aa7e707d504

    SHA512

    66510474dc8f0894f74f7d717854acc95cc948a558eee1a8d508d51e3012d7c19355b70579216e34a5c423bf7f37c959d6657fcf4a9dcffe63edff91619c29b1

  • C:\Users\Admin\AppData\Local\Temp\Dimmer.ini

    Filesize

    495B

    MD5

    891f718d6efe47d2d1a1b1e67ca7f20f

    SHA1

    e128c0ab9899d9f36aa175a6d411487c29f1595d

    SHA256

    c50dab0f53ebe918ceba2b428c79b8619070aacf8933e33b73ae8b0b1f9a42c6

    SHA512

    dba064de3ee01dc3d67f30498d1c14f83e961d28d5c1a9a86523dee5da7cd639642d6e3c1b22fbc7353c14b80fe98d39025fca974d0794ba523a7e2a2e6a76a2

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1664-213-0x000000000ABE0000-0x000000000ABE8000-memory.dmp

    Filesize

    32KB

  • memory/1664-204-0x000000000B080000-0x000000000B5AC000-memory.dmp

    Filesize

    5.2MB

  • memory/1984-231-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

  • memory/1984-130-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

  • memory/1984-230-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/3640-129-0x0000000000400000-0x00000000004DF000-memory.dmp

    Filesize

    892KB

  • memory/3640-0-0x00000000006D0000-0x00000000006D1000-memory.dmp

    Filesize

    4KB

  • memory/4604-196-0x00007FFDB15D0000-0x00007FFDB15E0000-memory.dmp

    Filesize

    64KB

  • memory/4604-194-0x00007FFDB15D0000-0x00007FFDB15E0000-memory.dmp

    Filesize

    64KB

  • memory/4604-197-0x00007FFDB15D0000-0x00007FFDB15E0000-memory.dmp

    Filesize

    64KB

  • memory/4604-198-0x00007FFDB15D0000-0x00007FFDB15E0000-memory.dmp

    Filesize

    64KB

  • memory/4604-199-0x00007FFDAEC70000-0x00007FFDAEC80000-memory.dmp

    Filesize

    64KB

  • memory/4604-200-0x00007FFDAEC70000-0x00007FFDAEC80000-memory.dmp

    Filesize

    64KB

  • memory/4604-195-0x00007FFDB15D0000-0x00007FFDB15E0000-memory.dmp

    Filesize

    64KB

  • memory/4936-133-0x0000000000540000-0x0000000000562000-memory.dmp

    Filesize

    136KB

  • memory/4936-203-0x000000000AEF0000-0x000000000B0B2000-memory.dmp

    Filesize

    1.8MB

  • memory/4936-202-0x000000000A920000-0x000000000A92E000-memory.dmp

    Filesize

    56KB

  • memory/4936-201-0x000000000A950000-0x000000000A988000-memory.dmp

    Filesize

    224KB

  • memory/4936-190-0x00000000056A0000-0x0000000005C44000-memory.dmp

    Filesize

    5.6MB

  • memory/4936-229-0x000000007288E000-0x000000007288F000-memory.dmp

    Filesize

    4KB

  • memory/4936-182-0x0000000005050000-0x00000000050E2000-memory.dmp

    Filesize

    584KB

  • memory/4936-118-0x000000007288E000-0x000000007288F000-memory.dmp

    Filesize

    4KB