Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 22:44

General

  • Target

    MSRX/MSRX.exe

  • Size

    1.8MB

  • MD5

    8eed22631ca6a1573f8bd6443abf9a63

  • SHA1

    1dd9578345f9e5fd9837ffeb5792d64e5b5dc2f3

  • SHA256

    01eaf6db3eff96a405c630ead532557d77d1f22383cf3521eb61cc041d432b9a

  • SHA512

    f09acb725d9ae0ea2309e70c04dc626157fb2997ca901ebb0ec9768657fca1b521c1d4481f5873b3077b44580853bf53d5523a43904205f88c4533a134c396a2

  • SSDEEP

    24576:BnsJ39LyjbJkQFMhmC+6GD9UBNMplUHK/AtanJ9jWxAbLH:BnsHyjtk2MYC5GDOMUHgZpWAn

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
  • Loads dropped DLL 7 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 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MSRX\MSRX.exe
    "C:\Users\Admin\AppData\Local\Temp\MSRX\MSRX.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\MSRX\._cache_MSRX.exe
      "C:\Users\Admin\AppData\Local\Temp\MSRX\._cache_MSRX.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1800
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Users\Admin\AppData\Local\Temp\MSRX\._cache_Synaptics.exe
        "C:\Users\Admin\AppData\Local\Temp\MSRX\._cache_Synaptics.exe" InjUpdate
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2864
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.8MB

    MD5

    8eed22631ca6a1573f8bd6443abf9a63

    SHA1

    1dd9578345f9e5fd9837ffeb5792d64e5b5dc2f3

    SHA256

    01eaf6db3eff96a405c630ead532557d77d1f22383cf3521eb61cc041d432b9a

    SHA512

    f09acb725d9ae0ea2309e70c04dc626157fb2997ca901ebb0ec9768657fca1b521c1d4481f5873b3077b44580853bf53d5523a43904205f88c4533a134c396a2

  • C:\Users\Admin\AppData\Local\Temp\Q5ci7XGu.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\Q5ci7XGu.xlsm

    Filesize

    24KB

    MD5

    cdd708233a158be088747d2631ad8325

    SHA1

    c45484bb580ceb810d7223fbf944b6734a04bd96

    SHA256

    32c57ddeb45ed18addf57a900b6070263c93cda292a345328629e458bb46e0ab

    SHA512

    0abe4264d320547d2d96e51ff909d16288bf0a3f5f17a3500cd3daf76372d35cae363c0df2e78064baad9965e48104b886cb0a2411c5132346774f8023cdf935

  • \Users\Admin\AppData\Local\Temp\MSRX\._cache_MSRX.exe

    Filesize

    1.1MB

    MD5

    2fae6ed57fbf6f219991ad8d88fe463a

    SHA1

    e10ae98dc13030fd3240e0302ff56bb533e1d4db

    SHA256

    abea4265eacba8836e30e853543025bbca1496ab8002a4ecaa6430fe3e10d9cc

    SHA512

    20cd9cfbc3ae868ac54db8d05e32fe527f56704ab06f00cc597c974ae17e1412b71c1d6a50b94b1107fbbf4615841a926ee2369a8b9a69bbb4b50c4c7e71427c

  • memory/1800-20-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/1800-85-0x0000000000400000-0x0000000000529000-memory.dmp

    Filesize

    1.2MB

  • memory/1800-87-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/1968-29-0x0000000000400000-0x00000000005DF000-memory.dmp

    Filesize

    1.9MB

  • memory/1968-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/2768-86-0x0000000000400000-0x00000000005DF000-memory.dmp

    Filesize

    1.9MB

  • memory/2768-90-0x0000000000400000-0x00000000005DF000-memory.dmp

    Filesize

    1.9MB

  • memory/2768-132-0x0000000000400000-0x00000000005DF000-memory.dmp

    Filesize

    1.9MB

  • memory/2864-88-0x0000000000400000-0x0000000000529000-memory.dmp

    Filesize

    1.2MB

  • memory/3060-42-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB