Overview

overview

10

Static

static

10

RNEQTT.exe

windows7-x64

10

RNEQTT.exe

windows10-2004-x64

10

Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 17:24

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General

  • Target

    RNEQTT.exe

  • Size

    1.6MB

  • MD5

    019fc60427d0126adfec88980c7fb666

  • SHA1

    55e2550ce27991e708e30a2e75253093eed0edb3

  • SHA256

    6bf3a9c47d0dc7cbde76eb4dbd81f9fcac54f64d7bf907ff952438503d8588b6

  • SHA512

    f8013fb625bb6354b50d7c27331c3088904ddd9103e0b28bac8965edd83d86353250e97aa872b82756d2765064d5be30e9e9579e216805c12216634627311a86

  • SSDEEP

    49152:MnsHyjtk2MYC5GDshloJfxBHUklI7GkBf:Mnsmtk2a5hliBHUklI66f

Score
10/10
xredbackdoordiscoverypersistenceupx

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.

    backdoorxred
  • Xred family
    xred
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 18 IoCs

    AutoIT scripts compiled to PE executables.

  • UPX packed file 22 IoCs

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

    upx
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

    discovery
  • 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
  • NTFS ADS 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RNEQTT.exe
    "C:\Users\Admin\AppData\Local\Temp\RNEQTT.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:3940
    • C:\Users\Admin\AppData\Local\Temp\._cache_RNEQTT.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_RNEQTT.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c schtasks /create /tn VFNCBO.exe /tr C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe /sc minute /mo 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2248
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn VFNCBO.exe /tr C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe /sc minute /mo 1
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4920
      • C:\Windows\SysWOW64\WSCript.exe
        WSCript C:\Users\Admin\AppData\Local\Temp\VFNCBO.vbs
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2824
    • 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:1544
      • 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:4856
  • 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:1696
  • C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
    C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1720
  • C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
    C:\Users\Admin\AppData\Roaming\Windata\NUHORT.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe
    Filesize

    1.6MB

    MD5

    019fc60427d0126adfec88980c7fb666

    SHA1

    55e2550ce27991e708e30a2e75253093eed0edb3

    SHA256

    6bf3a9c47d0dc7cbde76eb4dbd81f9fcac54f64d7bf907ff952438503d8588b6

    SHA512

    f8013fb625bb6354b50d7c27331c3088904ddd9103e0b28bac8965edd83d86353250e97aa872b82756d2765064d5be30e9e9579e216805c12216634627311a86

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\._cache_RNEQTT.exe
    Filesize

    895KB

    MD5

    e18974062e92d1e85871e1be1487f6dc

    SHA1

    cef294ecb4f41dd4970a918550084d30705a1a3b

    SHA256

    f5e48b46d31d16b783f2c91a516562ea9aed19f1d4a6de820962c6b9a592b2ce

    SHA512

    3b0cf9fc65a9b950ec0b7dd9162f9902b6a2869980c13099daab0fa443b39e427b952e74537e527f4def4d7e7f2abd8912c3cee1dfa57b4ff2fa13eb91a1b007

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\VFNCBO.vbs
    Filesize

    848B

    MD5

    54c40d25c90c3eb1467bfe6279711501

    SHA1

    f84e7541c12a29254697bce19fe66648fcd5cf78

    SHA256

    9ab5d94a00d1a331bf47149b574dee6483c7f39d57f036a60c8296ed2ffa2802

    SHA512

    60e5cc0cdbeec2db52c4c215c7d7a7de5f188827126608c5630332fe72f68568a7919bfd6795017351067b7dda9429d3640b6ccf2fa61f32f2ebc22d4582b417

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\n6KmSvmx.xlsm
    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    Download Submit

  • memory/1292-241-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-227-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-280-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-278-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-276-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-274-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-270-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-268-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-266-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-264-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-237-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-231-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-63-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-220-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-221-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1292-229-0x00000000006A0000-0x0000000000890000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1544-265-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

    Download

  • memory/1544-131-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1544-223-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1544-222-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

    Download

  • memory/1616-273-0x0000000000E30000-0x0000000001020000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1696-200-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1696-205-0x00007FFCE8110000-0x00007FFCE8120000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1696-202-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1696-201-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1696-199-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1696-206-0x00007FFCE8110000-0x00007FFCE8120000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1696-198-0x00007FFCEA1D0000-0x00007FFCEA1E0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/1720-234-0x0000000000E30000-0x0000000001020000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/1720-236-0x0000000000E30000-0x0000000001020000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/3940-0-0x0000000002340000-0x0000000002341000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3940-130-0x0000000000400000-0x00000000005A2000-memory.dmp

    Filesize

    1.6MB

    Download

  • memory/4856-204-0x0000000000670000-0x0000000000860000-memory.dmp

    Filesize

    1.9MB

    Download

  • memory/4856-197-0x0000000000670000-0x0000000000860000-memory.dmp

    Filesize

    1.9MB

    Download