Analysis

  • max time kernel
    1048s
  • max time network
    945s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23-11-2024 18:49

General

  • Target

    Monoxide x86.exe

  • Size

    1.0MB

  • MD5

    f608bddab817f1ee4980466ae7b88011

  • SHA1

    7ecbc1c4c409aeb7d3aae0954b9049a83529b466

  • SHA256

    0da77218fe35adf7789a65740ba7bb7b2abc2cc6817fe5f003bf479b43359f38

  • SHA512

    c519523a02e2341fccfd35c2e26f6125d25a77079121f2284d573e098b2a95c4e982e398662920d5a3d5a8bf2d8a26d8f0404991aaeb117010f3eabbd626cb01

  • SSDEEP

    24576:2nsJ39LyjbJkQFMhmC+6GD9FKgX0MivlOi9E3AAqzD:2nsHyjtk2MYC5GDzK0ivlOi9E3AAqzD

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
  • 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 SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Monoxide x86.exe
    "C:\Users\Admin\AppData\Local\Temp\Monoxide x86.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Users\Admin\AppData\Local\Temp\._cache_Monoxide x86.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Monoxide x86.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3136
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1920
      • 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:3480
  • 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:4064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.0MB

    MD5

    f608bddab817f1ee4980466ae7b88011

    SHA1

    7ecbc1c4c409aeb7d3aae0954b9049a83529b466

    SHA256

    0da77218fe35adf7789a65740ba7bb7b2abc2cc6817fe5f003bf479b43359f38

    SHA512

    c519523a02e2341fccfd35c2e26f6125d25a77079121f2284d573e098b2a95c4e982e398662920d5a3d5a8bf2d8a26d8f0404991aaeb117010f3eabbd626cb01

  • C:\Users\Admin\AppData\Local\Temp\._cache_Monoxide x86.exe

    Filesize

    289KB

    MD5

    5c378b11848ac59704c2000b4e711c30

    SHA1

    6a46c53fd89b1f66d3fdab7653181e8a3e56d418

    SHA256

    bd764fe2f9734d5ac56933ce68df0a175bfa98dc0266ae3cd3a5c963267ea77e

    SHA512

    c6fe33ff3825e9018abea99ea49dc5221f2abd96bd1099def898425b82c05f9b9ca1aacaba0b7ffb7d09a7d097eae9937abdc13bbf3e7643e24e37edc7841c48

  • C:\Users\Admin\AppData\Local\Temp\16875E00

    Filesize

    26KB

    MD5

    140eb1b630662acff7a017df1d9c9737

    SHA1

    8e62b39517edfff3a9a71c08bea2823b28a97072

    SHA256

    ce3666f360653e60c735e3ea1508a862f7df3b4bb9674d82f9f03ddde7a2c520

    SHA512

    1a8a78786128217f74c416c068c04fc381135b4a9feb15400f3836a765c400bb3f6e9ce19ace41c260120f7bbf45d077ab62de7bd900f1d9f44c9e37b50bf69c

  • C:\Users\Admin\AppData\Local\Temp\fSuoby2Q.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1920-104-0x00000000007C0000-0x00000000007C1000-memory.dmp

    Filesize

    4KB

  • memory/1920-187-0x00000000007C0000-0x00000000007C1000-memory.dmp

    Filesize

    4KB

  • memory/1920-186-0x0000000000400000-0x000000000050B000-memory.dmp

    Filesize

    1.0MB

  • memory/1920-218-0x0000000000400000-0x000000000050B000-memory.dmp

    Filesize

    1.0MB

  • memory/3368-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

    Filesize

    4KB

  • memory/3368-100-0x0000000000400000-0x000000000050B000-memory.dmp

    Filesize

    1.0MB

  • memory/4064-137-0x00007FFDA9AD0000-0x00007FFDA9AE0000-memory.dmp

    Filesize

    64KB

  • memory/4064-138-0x00007FFDA9AD0000-0x00007FFDA9AE0000-memory.dmp

    Filesize

    64KB

  • memory/4064-136-0x00007FFDA9AD0000-0x00007FFDA9AE0000-memory.dmp

    Filesize

    64KB

  • memory/4064-139-0x00007FFDA9AD0000-0x00007FFDA9AE0000-memory.dmp

    Filesize

    64KB

  • memory/4064-140-0x00007FFDA9AD0000-0x00007FFDA9AE0000-memory.dmp

    Filesize

    64KB

  • memory/4064-141-0x00007FFDA76D0000-0x00007FFDA76E0000-memory.dmp

    Filesize

    64KB

  • memory/4064-142-0x00007FFDA76D0000-0x00007FFDA76E0000-memory.dmp

    Filesize

    64KB