Analysis

  • max time kernel
    141s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 18:35

General

  • Target

    Synaptics.exe

  • Size

    753KB

  • MD5

    45011233f584317d3450a81d260c2a15

  • SHA1

    ae512c745c512cb52112e6369741a14584a1fd95

  • SHA256

    b0d2a065d7a88c63b0664cd41dc439559ea004fdda06aa6ad3c2ea6cbcf2c408

  • SHA512

    39e6b275060bebdccd1c1bfef8f1d62a90839a260bb45355a999a38de28d4a6133a7f02585b07f866afa92d6c6a03b4c66f101e11050f7d3b05f9f2cd40af75e

  • SSDEEP

    12288:aMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9Izr:ansJ39LyjbJkQFMhmC+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 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 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 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\Synaptics.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:5064
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe

    Filesize

    753KB

    MD5

    45011233f584317d3450a81d260c2a15

    SHA1

    ae512c745c512cb52112e6369741a14584a1fd95

    SHA256

    b0d2a065d7a88c63b0664cd41dc439559ea004fdda06aa6ad3c2ea6cbcf2c408

    SHA512

    39e6b275060bebdccd1c1bfef8f1d62a90839a260bb45355a999a38de28d4a6133a7f02585b07f866afa92d6c6a03b4c66f101e11050f7d3b05f9f2cd40af75e

  • memory/4532-65-0x0000000002130000-0x0000000002131000-memory.dmp

    Filesize

    4KB

  • memory/4532-66-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4532-67-0x0000000002130000-0x0000000002131000-memory.dmp

    Filesize

    4KB

  • memory/4532-75-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4532-91-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/5064-0-0x0000000002260000-0x0000000002261000-memory.dmp

    Filesize

    4KB

  • memory/5064-64-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB