Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 10:26

General

  • Target
    docx.msi
  • Size 1.7MB
  • Sample241230-mgqbasvkbm
  • SHA256 fbbbf890b135445dec6c10625b0fdad8246523ba83e6e052a74e01d3856fb648
  • 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
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 16 IoCs

    AutoIT scripts compiled to PE executables.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops file in System32 directory 5 IoCs
  • UPX packed file 19 IoCs

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

  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\docx.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4900
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1100
    • C:\Windows\Installer\MSIF703.tmp
      "C:\Windows\Installer\MSIF703.tmp"
      2⤵
      • Adds Run key to start application
      • Checks computer location settings
      • Drops file in System32 directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3504
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Checks computer location settings
        • Drops file in System32 directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3592
        • C:\Windows\SysWOW64\._cache_Synaptics.exe
          "C:\Windows\system32\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Drops startup file
          • Adds Run key to start application
          • Drops file in System32 directory
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:3708
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c schtasks /create /tn TGWEKK.exe /tr C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe /sc minute /mo 1
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2744
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn TGWEKK.exe /tr C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe /sc minute /mo 1
              6⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:1356
          • C:\Windows\SysWOW64\WSCript.exe
            WSCript C:\Users\Admin\AppData\Local\Temp\TGWEKK.vbs
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4188
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1656
  • 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:4392
  • C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe
    C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:972
  • C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe
    C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4352

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        e57f5cd.rbs

        • Path C:\Config.Msi\e57f5cd.rbs
        • Size 621B
        • SHA256 d62abc8e774634362d3469faae937f46a5b48114563187f1597031a7257dbb17
        • MD5 SHA1 SHA512

        TGWEKK.vbs

        • Path C:\Users\Admin\AppData\Local\Temp\TGWEKK.vbs
        • Size 840B
        • SHA256 cbee270ed61982f063979c013888bb288d5db2720d2d69f86ee13263a26ffe36
        • MD5 SHA1 SHA512

        j4iFVHty.xlsm

        • Path C:\Users\Admin\AppData\Local\Temp\j4iFVHty.xlsm
        • Size 17KB
        • SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
        • MD5 SHA1 SHA512 SSDEEP

        MSIF703.tmp

        • Path C:\Windows\Installer\MSIF703.tmp
        • Size 1.6MB
        • SHA256 55d2bea108eeaabcdf59d449cf15f0efabb59e243d9bd91ff0b0805cd3d133df
        • MD5 SHA1 SHA512 SSDEEP

        ._cache_Synaptics.exe

        • Path C:\Windows\SysWOW64\._cache_Synaptics.exe
        • Size 917KB
        • SHA256 36dac4b76a8c3ea977d141ee3df142383efa9b0bc24d19da949d106d0b602207
        • MD5 SHA1 SHA512 SSDEEP

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 c690abb946f9aff2ba09735b111a050f9c419d0e6461b31da43cd96e8e146e03
        • MD5 SHA1 SHA512 SSDEEP

        {07a7f522-9861-4919-99a8-2a311981344e}_OnDiskSnapshotProp

        • Path \??\Volume{fb297ba4-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{07a7f522-9861-4919-99a8-2a311981344e}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 be90f0c7328fbebb498a2a474ff1ededa94f912b37f1d69b3a9a84afa4ef3f44
        • MD5 SHA1 SHA512 SSDEEP

        memory/972-190-0x0000000000140000-0x000000000033A000-memory.dmp

        memory/972-188-0x0000000000140000-0x000000000033A000-memory.dmp

        memory/3504-81-0x0000000000400000-0x00000000005A8000-memory.dmp

        memory/3592-227-0x0000000000400000-0x00000000005A8000-memory.dmp

        memory/3592-181-0x0000000000400000-0x00000000005A8000-memory.dmp

        memory/3708-201-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-196-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-242-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-240-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-238-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-182-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-183-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-236-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-234-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-192-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-194-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-232-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-228-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-205-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/3708-152-0x0000000000B70000-0x0000000000D6A000-memory.dmp

        memory/4352-230-0x0000000000140000-0x000000000033A000-memory.dmp

        memory/4392-155-0x00007FFF076B0000-0x00007FFF076C0000-memory.dmp

        memory/4392-160-0x00007FFF04DB0000-0x00007FFF04DC0000-memory.dmp

        memory/4392-154-0x00007FFF076B0000-0x00007FFF076C0000-memory.dmp

        memory/4392-153-0x00007FFF076B0000-0x00007FFF076C0000-memory.dmp

        memory/4392-156-0x00007FFF076B0000-0x00007FFF076C0000-memory.dmp

        memory/4392-157-0x00007FFF076B0000-0x00007FFF076C0000-memory.dmp

        memory/4392-159-0x00007FFF04DB0000-0x00007FFF04DC0000-memory.dmp