Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 16:02

General

  • Target

    Stix_0_Delay_Utility.exe

  • Size

    1.1MB

  • MD5

    50c9b94b577071cb68e2c2d3d37e5d88

  • SHA1

    682da2c903e1d00955fd233e7df627832af5feb1

  • SHA256

    e370849ba5b1e66d2dc46b4dabd846676089a9bec040e750fadf095b7ec4d222

  • SHA512

    66ea317daa6daafa406ddb4e0db861839c284435284369362368a5484dbd5dc988d34e0772e5a822549bbcacd3ff6e340a465b9043f50bf6ccde518f3fdcf8d7

  • SSDEEP

    24576:pnsJ39LyjbJkQFMhmC+6GD9+oxobd6YvdRFC:pnsHyjtk2MYC5GDQoi6crFC

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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Stix_0_Delay_Utility.exe
    "C:\Users\Admin\AppData\Local\Temp\Stix_0_Delay_Utility.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:4972
    • C:\Users\Admin\AppData\Local\Temp\._cache_Stix_0_Delay_Utility.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Stix_0_Delay_Utility.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4668
    • 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:456
      • 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 AdjustPrivilegeToken
        PID:2564
  • 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:916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    1.1MB

    MD5

    50c9b94b577071cb68e2c2d3d37e5d88

    SHA1

    682da2c903e1d00955fd233e7df627832af5feb1

    SHA256

    e370849ba5b1e66d2dc46b4dabd846676089a9bec040e750fadf095b7ec4d222

    SHA512

    66ea317daa6daafa406ddb4e0db861839c284435284369362368a5484dbd5dc988d34e0772e5a822549bbcacd3ff6e340a465b9043f50bf6ccde518f3fdcf8d7

  • C:\Users\Admin\AppData\Local\Temp\._cache_Stix_0_Delay_Utility.exe

    Filesize

    374KB

    MD5

    23769f21536777f2b95a2dbd4eecff9a

    SHA1

    f866e354718af010af7e6e38fd0ee900ccfbdf97

    SHA256

    3f9636603264a12fd0103a366241a3dc4dfa4f308f483977e723574dd01fa00e

    SHA512

    d11d834e7e23a4385341bedf5c07f8e4f3cda1bc4adb229056aae3ad30b63f6eb46b19f6b922ee5508db2251a71708d7b721bd01879c0238199adb87cbeaad2d

  • C:\Users\Admin\AppData\Local\Temp\DCD75E00

    Filesize

    23KB

    MD5

    4da509f5e18469829b76ddd7a68f236f

    SHA1

    2b7ed9745e29d2e33c1c64bb74d5ec60b7112a5f

    SHA256

    e46e73ecd45dcff28173929343a3857ad9e6fe6d838b8834f48a51d27735855e

    SHA512

    136cbff30629491a3249790263f7886a8434bba97b02e884b0f7808496b432a8e734d3e970e4c06619777a1a0985ac5c677e8bc545f58e9d19a7dbd10ff71005

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

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/456-202-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/456-289-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/456-258-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/456-131-0x0000000000600000-0x0000000000601000-memory.dmp

    Filesize

    4KB

  • memory/456-203-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/916-211-0x00007FFDE6E30000-0x00007FFDE6E40000-memory.dmp

    Filesize

    64KB

  • memory/916-209-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

    Filesize

    64KB

  • memory/916-208-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

    Filesize

    64KB

  • memory/916-206-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

    Filesize

    64KB

  • memory/916-207-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

    Filesize

    64KB

  • memory/916-205-0x00007FFDE90D0000-0x00007FFDE90E0000-memory.dmp

    Filesize

    64KB

  • memory/916-210-0x00007FFDE6E30000-0x00007FFDE6E40000-memory.dmp

    Filesize

    64KB

  • memory/4668-182-0x0000000007A30000-0x0000000007AE8000-memory.dmp

    Filesize

    736KB

  • memory/4668-204-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB

  • memory/4668-201-0x0000000072F6E000-0x0000000072F6F000-memory.dmp

    Filesize

    4KB

  • memory/4668-200-0x000000000AE90000-0x000000000AECC000-memory.dmp

    Filesize

    240KB

  • memory/4668-197-0x0000000008EC0000-0x0000000008ED2000-memory.dmp

    Filesize

    72KB

  • memory/4668-196-0x0000000002EA0000-0x0000000002EAA000-memory.dmp

    Filesize

    40KB

  • memory/4668-195-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB

  • memory/4668-184-0x0000000007B90000-0x0000000007C22000-memory.dmp

    Filesize

    584KB

  • memory/4668-183-0x00000000080A0000-0x0000000008644000-memory.dmp

    Filesize

    5.6MB

  • memory/4668-130-0x0000000000B90000-0x0000000000BF2000-memory.dmp

    Filesize

    392KB

  • memory/4668-98-0x0000000072F6E000-0x0000000072F6F000-memory.dmp

    Filesize

    4KB

  • memory/4972-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

    Filesize

    4KB

  • memory/4972-129-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB