Analysis

  • max time kernel
    141s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2336
    • 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:2452
    • 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:2212
      • 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
        • Modifies system certificate store
        • Suspicious use of AdjustPrivilegeToken
        PID:2836
  • 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:2644

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\tIWNmJEn.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • memory/2212-62-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2212-63-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2212-95-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2336-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2336-26-0x0000000000400000-0x0000000000520000-memory.dmp

    Filesize

    1.1MB

  • memory/2452-29-0x0000000001220000-0x0000000001282000-memory.dmp

    Filesize

    392KB

  • memory/2644-39-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2836-38-0x00000000009A0000-0x0000000000A02000-memory.dmp

    Filesize

    392KB

  • memory/2836-42-0x0000000000630000-0x00000000006E8000-memory.dmp

    Filesize

    736KB