Analysis

  • max time kernel
    111s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 16:39

General

  • Target

    c460416d08bc179568a75b2f0b37fdc1fb3f7cececbb2879b6e2c1af43575359N.exe

  • Size

    786KB

  • MD5

    719203c56682b82e760b126d2f7a2690

  • SHA1

    d1890f543cacba1e06bfb48df0dab47449eac046

  • SHA256

    c460416d08bc179568a75b2f0b37fdc1fb3f7cececbb2879b6e2c1af43575359

  • SHA512

    9b11a3a8175b10f4154920d0e9c53c0ed75fab3ea134db3c0eb35e826bed9fea23fff76ef29e854ab5f217f9386d63f91730e0d38403d18896462e6d9d35b453

  • SSDEEP

    12288:2MSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V93RYj:2nsJ39LyjbJkQFMhmC+6GD9i

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 SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c460416d08bc179568a75b2f0b37fdc1fb3f7cececbb2879b6e2c1af43575359N.exe
    "C:\Users\Admin\AppData\Local\Temp\c460416d08bc179568a75b2f0b37fdc1fb3f7cececbb2879b6e2c1af43575359N.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:3116
    • C:\Users\Admin\AppData\Local\Temp\._cache_c460416d08bc179568a75b2f0b37fdc1fb3f7cececbb2879b6e2c1af43575359N.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_c460416d08bc179568a75b2f0b37fdc1fb3f7cececbb2879b6e2c1af43575359N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2144
    • 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:5020
      • 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:1760
  • 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:1460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    786KB

    MD5

    719203c56682b82e760b126d2f7a2690

    SHA1

    d1890f543cacba1e06bfb48df0dab47449eac046

    SHA256

    c460416d08bc179568a75b2f0b37fdc1fb3f7cececbb2879b6e2c1af43575359

    SHA512

    9b11a3a8175b10f4154920d0e9c53c0ed75fab3ea134db3c0eb35e826bed9fea23fff76ef29e854ab5f217f9386d63f91730e0d38403d18896462e6d9d35b453

  • C:\Users\Admin\AppData\Local\Temp\._cache_c460416d08bc179568a75b2f0b37fdc1fb3f7cececbb2879b6e2c1af43575359N.exe

    Filesize

    33KB

    MD5

    2527c463a079c81af7b3bc1d26bd3b5d

    SHA1

    ce3c6931641edcfe68900628852932911ccc9476

    SHA256

    168a175ccf74e80899d2519bbe6e1ae8b0fa2489af70e8cc0720afab1ad8b0ab

    SHA512

    f503693b124a5a138e758d6f9ecec04b72848179fef5d60fcd225c3ba18ec1ba030f31c88ea219c5d15505955b150ede938b694521f6932fcb496bdc9e1991be

  • C:\Users\Admin\AppData\Local\Temp\H3kTE1Sc.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/1460-143-0x00007FF8C4290000-0x00007FF8C42A0000-memory.dmp

    Filesize

    64KB

  • memory/1460-139-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

    Filesize

    64KB

  • memory/1460-144-0x00007FF8C4290000-0x00007FF8C42A0000-memory.dmp

    Filesize

    64KB

  • memory/1460-142-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

    Filesize

    64KB

  • memory/1460-140-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

    Filesize

    64KB

  • memory/1460-141-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

    Filesize

    64KB

  • memory/1460-138-0x00007FF8C6790000-0x00007FF8C67A0000-memory.dmp

    Filesize

    64KB

  • memory/1760-136-0x0000000000AA0000-0x0000000000ABC000-memory.dmp

    Filesize

    112KB

  • memory/2144-33-0x0000000000300000-0x000000000031C000-memory.dmp

    Filesize

    112KB

  • memory/3116-0-0x0000000002260000-0x0000000002261000-memory.dmp

    Filesize

    4KB

  • memory/3116-102-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/5020-103-0x0000000002230000-0x0000000002231000-memory.dmp

    Filesize

    4KB

  • memory/5020-158-0x0000000002230000-0x0000000002231000-memory.dmp

    Filesize

    4KB

  • memory/5020-159-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/5020-163-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/5020-190-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB