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Analysis

  • max time kernel
    111s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2025, 11:55

General

  • Target

    f887ee2748139c260c1e4da149ac8f390555a5b5dc8f99480d294c5f9aed62eaN.exe

  • Size

    761KB

  • MD5

    f3eaba7fcd2a9952362af398280c4500

  • SHA1

    9503d4c0d8e3f9747798c1cbb825b512c4414397

  • SHA256

    f887ee2748139c260c1e4da149ac8f390555a5b5dc8f99480d294c5f9aed62ea

  • SHA512

    b90ef10f3c2915f82c86e2868fbb6f9e1fe9e8cc63a4a5f1fc4ff3ca66abc5b5f7e873c9e520ecc56ac386d500498626cb7d4a65e3d579417c7304fd1dbff704

  • SSDEEP

    12288:dMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9wguz:dnsJ39LyjbJkQFMhmC+6GD9pe

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 2 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 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f887ee2748139c260c1e4da149ac8f390555a5b5dc8f99480d294c5f9aed62eaN.exe
    "C:\Users\Admin\AppData\Local\Temp\f887ee2748139c260c1e4da149ac8f390555a5b5dc8f99480d294c5f9aed62eaN.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:4760
    • C:\Users\Admin\AppData\Local\Temp\._cache_f887ee2748139c260c1e4da149ac8f390555a5b5dc8f99480d294c5f9aed62eaN.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_f887ee2748139c260c1e4da149ac8f390555a5b5dc8f99480d294c5f9aed62eaN.exe"
      2⤵
      • Executes dropped EXE
      PID:4612
    • 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:3860
      • C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        PID:1516
  • 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:5064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    761KB

    MD5

    f3eaba7fcd2a9952362af398280c4500

    SHA1

    9503d4c0d8e3f9747798c1cbb825b512c4414397

    SHA256

    f887ee2748139c260c1e4da149ac8f390555a5b5dc8f99480d294c5f9aed62ea

    SHA512

    b90ef10f3c2915f82c86e2868fbb6f9e1fe9e8cc63a4a5f1fc4ff3ca66abc5b5f7e873c9e520ecc56ac386d500498626cb7d4a65e3d579417c7304fd1dbff704

  • C:\Users\Admin\AppData\Local\Temp\._cache_f887ee2748139c260c1e4da149ac8f390555a5b5dc8f99480d294c5f9aed62eaN.exe

    Filesize

    10KB

    MD5

    b684686b29e80ca33f72dfc8d6e12fa4

    SHA1

    91e932e5a953c056082842baf8ffd6a4df863e65

    SHA256

    2de6ad881cbd8f0e32a83817f3365e0d88a026541842e2d8abb0ea011e1f3f48

    SHA512

    ee84216a8641758223bbead9f9511d8ccf9b9491a9d0fb9a54df779c2b56f896e588075e76a9af2f1be54e4a124a35d64c5e7838bbf46b70dd093054c1ca1ff7

  • C:\Users\Admin\AppData\Local\Temp\aezII6lr.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/3860-132-0x0000000000580000-0x0000000000581000-memory.dmp

    Filesize

    4KB

  • memory/3860-240-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/3860-215-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/3860-214-0x0000000000580000-0x0000000000581000-memory.dmp

    Filesize

    4KB

  • memory/3860-213-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/4612-125-0x0000000000C80000-0x0000000000C88000-memory.dmp

    Filesize

    32KB

  • memory/4612-127-0x00007FFE9A693000-0x00007FFE9A695000-memory.dmp

    Filesize

    8KB

  • memory/4760-130-0x0000000000400000-0x00000000004C4000-memory.dmp

    Filesize

    784KB

  • memory/4760-0-0x0000000002250000-0x0000000002251000-memory.dmp

    Filesize

    4KB

  • memory/5064-194-0x00007FFE790F0000-0x00007FFE79100000-memory.dmp

    Filesize

    64KB

  • memory/5064-199-0x00007FFE76920000-0x00007FFE76930000-memory.dmp

    Filesize

    64KB

  • memory/5064-198-0x00007FFE76920000-0x00007FFE76930000-memory.dmp

    Filesize

    64KB

  • memory/5064-196-0x00007FFE790F0000-0x00007FFE79100000-memory.dmp

    Filesize

    64KB

  • memory/5064-197-0x00007FFE790F0000-0x00007FFE79100000-memory.dmp

    Filesize

    64KB

  • memory/5064-195-0x00007FFE790F0000-0x00007FFE79100000-memory.dmp

    Filesize

    64KB

  • memory/5064-193-0x00007FFE790F0000-0x00007FFE79100000-memory.dmp

    Filesize

    64KB