Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/12/2024, 03:46

General

  • Target
    db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c.exe
  • Size 1.8MB
  • Sample241223-ebzzjsvqcv
  • SHA256 db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c
  • 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
  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c.exe
    "C:\Users\Admin\AppData\Local\Temp\db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c.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:2696
    • C:\Users\Admin\AppData\Local\Temp\._cache_db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:600
    • 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:4748
      • 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:4128
  • 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:2220

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 1.8MB
        • SHA256 db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c.exe

        • Path C:\Users\Admin\AppData\Local\Temp\._cache_db45046c3621a6977cf9b5597544048c258e55dadb9d01b9276328e695f7240c.exe
        • Size 1.1MB
        • SHA256 83f59c81a61f4171347e55c8726a00fd1271ddeea9160d36b9f1425ef903b2fc
        • MD5 SHA1 SHA512 SSDEEP

        60185E00

        • Path C:\Users\Admin\AppData\Local\Temp\60185E00
        • Size 22KB
        • SHA256 6ffef8a71076413fc22e17fb7cfc9e8ad3330934cc97bd0bcffa2b61795b9eef
        • MD5 SHA1 SHA512 SSDEEP

        6kWJrfPT.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\6kWJrfPT.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        memory/600-195-0x0000000073250000-0x0000000073801000-memory.dmp

        memory/600-125-0x0000000073252000-0x0000000073253000-memory.dmp

        memory/600-130-0x0000000073250000-0x0000000073801000-memory.dmp

        memory/600-126-0x0000000073250000-0x0000000073801000-memory.dmp

        memory/2220-202-0x00007FFDD2C20000-0x00007FFDD2C30000-memory.dmp

        memory/2220-197-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

        memory/2220-199-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

        memory/2220-198-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

        memory/2220-200-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

        memory/2220-201-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

        memory/2220-203-0x00007FFDD2C20000-0x00007FFDD2C30000-memory.dmp

        memory/2696-0-0x0000000002380000-0x0000000002381000-memory.dmp

        memory/2696-131-0x0000000000400000-0x00000000005D3000-memory.dmp

        memory/4748-196-0x0000000000400000-0x00000000005D3000-memory.dmp

        memory/4748-132-0x0000000000790000-0x0000000000791000-memory.dmp

        memory/4748-250-0x0000000000400000-0x00000000005D3000-memory.dmp

        memory/4748-281-0x0000000000400000-0x00000000005D3000-memory.dmp