Analysis

  • max time kernel
    112s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2024, 06:21

General

  • Target
    fa61c97691aff92a11841e2f3ff73587ae6b6d1fdec8e0cff4d966c1c590e74c.exe
  • Size 753KB
  • Sample241219-g4rjzsslcv
  • SHA256 fa61c97691aff92a11841e2f3ff73587ae6b6d1fdec8e0cff4d966c1c590e74c
  • 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 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.

  • 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 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa61c97691aff92a11841e2f3ff73587ae6b6d1fdec8e0cff4d966c1c590e74c.exe
    "C:\Users\Admin\AppData\Local\Temp\fa61c97691aff92a11841e2f3ff73587ae6b6d1fdec8e0cff4d966c1c590e74c.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:2584
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2760
  • 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:5024

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Synaptics.exe

        • Path C:\ProgramData\Synaptics\Synaptics.exe
        • Size 753KB
        • SHA256 fa61c97691aff92a11841e2f3ff73587ae6b6d1fdec8e0cff4d966c1c590e74c
        • MD5 SHA1 SHA512 SSDEEP

        72mRBiN9.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\72mRBiN9.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        E7A75E00

        • Path C:\Users\Admin\AppData\Local\Temp\E7A75E00
        • Size 21KB
        • SHA256 a75f630609415519f6299ee25198ba4d001f71a313c5543ae69c02c6639e10d1
        • MD5 SHA1 SHA512 SSDEEP

        memory/2584-0-0x0000000002360000-0x0000000002361000-memory.dmp

        memory/2584-64-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/2760-65-0x0000000000620000-0x0000000000621000-memory.dmp

        memory/2760-168-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/2760-137-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/2760-133-0x0000000000620000-0x0000000000621000-memory.dmp

        memory/5024-80-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-85-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-74-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-73-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-75-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-76-0x00007FF957CB0000-0x00007FF957CC0000-memory.dmp

        memory/5024-78-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-71-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

        memory/5024-79-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-77-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-81-0x00007FF957CB0000-0x00007FF957CC0000-memory.dmp

        memory/5024-84-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-86-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-72-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-83-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-82-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-70-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

        memory/5024-69-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

        memory/5024-68-0x00007FF95A230000-0x00007FF95A240000-memory.dmp

        memory/5024-134-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-135-0x00007FF99A24D000-0x00007FF99A24E000-memory.dmp

        memory/5024-136-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-67-0x00007FF99A24D000-0x00007FF99A24E000-memory.dmp

        memory/5024-138-0x00007FF99A1B0000-0x00007FF99A3A5000-memory.dmp

        memory/5024-66-0x00007FF95A230000-0x00007FF95A240000-memory.dmp