Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17-12-2024 17:25

General

  • Target

    J8.exe

  • Size

    1021KB

  • MD5

    f4637cac3f11c5854d0ead9e14543e08

  • SHA1

    fc089128a7ea8f95dc2f65609058b150c0c503f3

  • SHA256

    f72e986599e8e656b8a98c4a401d15397a64179a2e2f31ca5d0464347cb033dc

  • SHA512

    fada0ff10c8e7c73b8789ad5cc0814714c8ea67ce9184fb93d4e3f27ab92f9c7365a6caea2e61349bc79d76a44596989480e1430ca1f65113639e8ac7aca7224

  • SSDEEP

    24576:HnsJ39LyjbJkQFMhmC+6GD9zY9n8UjFxPTSiVh:HnsHyjtk2MYC5GDpg8gVTSmh

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 10 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\J8.exe
    "C:\Users\Admin\AppData\Local\Temp\J8.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\._cache_J8.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_J8.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3596
    • 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:3728
      • 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 SetWindowsHookEx
        PID:2036
  • 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:1572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1021KB

    MD5

    f4637cac3f11c5854d0ead9e14543e08

    SHA1

    fc089128a7ea8f95dc2f65609058b150c0c503f3

    SHA256

    f72e986599e8e656b8a98c4a401d15397a64179a2e2f31ca5d0464347cb033dc

    SHA512

    fada0ff10c8e7c73b8789ad5cc0814714c8ea67ce9184fb93d4e3f27ab92f9c7365a6caea2e61349bc79d76a44596989480e1430ca1f65113639e8ac7aca7224

  • C:\Users\Admin\AppData\Local\Temp\._cache_J8.exe

    Filesize

    268KB

    MD5

    63e6dafd959a03a63ae3f099ed3c068e

    SHA1

    a67ae5d6c3cbd3e6fc9470a7e06d9ba07b53815d

    SHA256

    637a785547c594b6d7cae42b27e7ab203900f1afafc3a42daa73542bdda6f6e3

    SHA512

    a219242f313af2d8ba4cbb9fdaa5c61b9bfd57eb5447801383021e61c623824ca1b19bf90424fd92d93d53adee56c7d7a7e9083a4c2cca15e6b72230415b495e

  • C:\Users\Admin\AppData\Local\Temp\5Kb1NyjR.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\60C75E00

    Filesize

    22KB

    MD5

    0e0376741507be1ee1492cb501e943ce

    SHA1

    aa72d3217a4593839657b61c997ca50550904528

    SHA256

    0d672ac6016e32ae050a89410fd36179b1d69e69189ae87a5926464a99c7bff4

    SHA512

    baab696e4ac17d7df64b6590018835ec08aee202ed5bedd6f65d27c018636ab8907550a1e8e83cd37ee36b9a43b0d1ca22ab9f531de056b22bf38c7d935614b0

  • memory/1536-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

    Filesize

    4KB

  • memory/1536-128-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/1572-193-0x00007FFDC6A50000-0x00007FFDC6A60000-memory.dmp

    Filesize

    64KB

  • memory/1572-191-0x00007FFDC6A50000-0x00007FFDC6A60000-memory.dmp

    Filesize

    64KB

  • memory/1572-192-0x00007FFDC6A50000-0x00007FFDC6A60000-memory.dmp

    Filesize

    64KB

  • memory/1572-194-0x00007FFDC6A50000-0x00007FFDC6A60000-memory.dmp

    Filesize

    64KB

  • memory/1572-195-0x00007FFDC4710000-0x00007FFDC4720000-memory.dmp

    Filesize

    64KB

  • memory/1572-196-0x00007FFDC4710000-0x00007FFDC4720000-memory.dmp

    Filesize

    64KB

  • memory/1572-190-0x00007FFDC6A50000-0x00007FFDC6A60000-memory.dmp

    Filesize

    64KB

  • memory/3728-129-0x00000000023A0000-0x00000000023A1000-memory.dmp

    Filesize

    4KB

  • memory/3728-238-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB

  • memory/3728-239-0x00000000023A0000-0x00000000023A1000-memory.dmp

    Filesize

    4KB

  • memory/3728-270-0x0000000000400000-0x0000000000505000-memory.dmp

    Filesize

    1.0MB