Analysis

  • max time kernel
    112s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 15:05

General

  • Target
    f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890N.exe
  • Size 1.7MB
  • Sample241122-sgn15aypfr
  • SHA256 f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890
  • MD5 SHA1 SHA512 SSDEEP

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
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890N.exe
    "C:\Users\Admin\AppData\Local\Temp\f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890N.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:4800
    • C:\Users\Admin\AppData\Local\Temp\._cache_f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890N.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3248
    • 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:2400
      • 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:1980
  • 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:2564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 1.7MB
        • SHA256 f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890N.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_f227884cd69a338634b62d15306a2722c4e09e441bd6be2ace6f1b8025b91890N.exe
        • Size 979KB
        • SHA256 023b628b690f5185604fc7218dc4e9842604c7bd9f2e2c065f9360255cb39e49
        • MD5 SHA1 SHA512 SSDEEP

        3FA75E00

        • Path C:\Users\Admin\AppData\Local\Temp\3FA75E00
        • Size 23KB
        • SHA256 894a477000546848fc6b3d10ba9cf8daa9bbf4c50856448f9d570aef2e4b5154
        • MD5 SHA1 SHA512 SSDEEP

        SJK9N17g.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\SJK9N17g.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        memory/1980-193-0x0000000000400000-0x0000000001A73000-memory.dmp

        memory/1980-254-0x0000000000400000-0x0000000001A73000-memory.dmp

        memory/1980-194-0x0000000000400000-0x0000000001A73000-memory.dmp

        memory/2400-286-0x0000000000400000-0x00000000005B7000-memory.dmp

        memory/2400-267-0x0000000000400000-0x00000000005B7000-memory.dmp

        memory/2400-253-0x0000000000400000-0x00000000005B7000-memory.dmp

        memory/2564-201-0x00007FF9B77F0000-0x00007FF9B7800000-memory.dmp

        memory/2564-197-0x00007FF9B9930000-0x00007FF9B9940000-memory.dmp

        memory/2564-196-0x00007FF9B9930000-0x00007FF9B9940000-memory.dmp

        memory/2564-195-0x00007FF9B9930000-0x00007FF9B9940000-memory.dmp

        memory/2564-200-0x00007FF9B77F0000-0x00007FF9B7800000-memory.dmp

        memory/2564-198-0x00007FF9B9930000-0x00007FF9B9940000-memory.dmp

        memory/2564-199-0x00007FF9B9930000-0x00007FF9B9940000-memory.dmp

        memory/3248-134-0x0000000000400000-0x0000000001A73000-memory.dmp

        memory/3248-127-0x0000000000400000-0x0000000001A73000-memory.dmp

        memory/3248-130-0x0000000005B50000-0x0000000005B51000-memory.dmp

        memory/4800-0-0x0000000002460000-0x0000000002461000-memory.dmp

        memory/4800-128-0x0000000000400000-0x00000000005B7000-memory.dmp