Analysis

  • max time kernel
    152s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 08:15

General

  • Target
    345f89681fcb62ed85585fbea9f29e22957d3cbac3d6b4bb706b6676b9118489.exe
  • Size 255KB
  • Sample221029-j5sjsaggh2
  • SHA256 345f89681fcb62ed85585fbea9f29e22957d3cbac3d6b4bb706b6676b9118489
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • UPX packed file 30 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\345f89681fcb62ed85585fbea9f29e22957d3cbac3d6b4bb706b6676b9118489.exe
    "C:\Users\Admin\AppData\Local\Temp\345f89681fcb62ed85585fbea9f29e22957d3cbac3d6b4bb706b6676b9118489.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Windows\SysWOW64\jsvtefqdcr.exe
      jsvtefqdcr.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4980
      • C:\Windows\SysWOW64\ngupejxd.exe
        C:\Windows\system32\ngupejxd.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1508
    • C:\Windows\SysWOW64\ttrdzcntvyjdyky.exe
      ttrdzcntvyjdyky.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2252
    • C:\Windows\SysWOW64\ngupejxd.exe
      ngupejxd.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2076
    • C:\Windows\SysWOW64\wgbidfsnmwuei.exe
      wgbidfsnmwuei.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1376
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2228

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        PROTTPLN.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 255KB
        • SHA256 fc32da6b84340f8aaca6a4da091bb500937ad0c3e4ca0e82a27f3660c85ed8e6
        • MD5 SHA1 SHA512 SSDEEP

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 255KB
        • SHA256 0649a6837d7727da4e628aaeca36dc6b8bde0218bcdd1d3fc203d1bcecad56a1
        • MD5 SHA1 SHA512 SSDEEP

        jsvtefqdcr.exe

        • Path C:\Windows\SysWOW64\jsvtefqdcr.exe
        • Size 255KB
        • SHA256 4f161a2b37193015e3402a2f66b7256f1d362d9f0df5cb940b81ae7b6d393c4e
        • MD5 SHA1 SHA512 SSDEEP

        jsvtefqdcr.exe

        • Path C:\Windows\SysWOW64\jsvtefqdcr.exe
        • Size 255KB
        • SHA256 4f161a2b37193015e3402a2f66b7256f1d362d9f0df5cb940b81ae7b6d393c4e
        • MD5 SHA1 SHA512 SSDEEP

        ngupejxd.exe

        • Path C:\Windows\SysWOW64\ngupejxd.exe
        • Size 255KB
        • SHA256 3480478ee42c516fcab1c4d214f83d9cab2b4b92eb7d284b46fa8994ff3fe81b
        • MD5 SHA1 SHA512 SSDEEP

        ngupejxd.exe

        • Path C:\Windows\SysWOW64\ngupejxd.exe
        • Size 255KB
        • SHA256 3480478ee42c516fcab1c4d214f83d9cab2b4b92eb7d284b46fa8994ff3fe81b
        • MD5 SHA1 SHA512 SSDEEP

        ngupejxd.exe

        • Path C:\Windows\SysWOW64\ngupejxd.exe
        • Size 255KB
        • SHA256 3480478ee42c516fcab1c4d214f83d9cab2b4b92eb7d284b46fa8994ff3fe81b
        • MD5 SHA1 SHA512 SSDEEP

        ttrdzcntvyjdyky.exe

        • Path C:\Windows\SysWOW64\ttrdzcntvyjdyky.exe
        • Size 255KB
        • SHA256 8b27e6232ecf63d57c58c73cc1fee6bcb4bf6fc0cf35390d4c86c9c36bd344bd
        • MD5 SHA1 SHA512 SSDEEP

        ttrdzcntvyjdyky.exe

        • Path C:\Windows\SysWOW64\ttrdzcntvyjdyky.exe
        • Size 255KB
        • SHA256 8b27e6232ecf63d57c58c73cc1fee6bcb4bf6fc0cf35390d4c86c9c36bd344bd
        • MD5 SHA1 SHA512 SSDEEP

        wgbidfsnmwuei.exe

        • Path C:\Windows\SysWOW64\wgbidfsnmwuei.exe
        • Size 255KB
        • SHA256 589e7d589f8f9c44fdf5ddcc5777c515135cef68a69a1100a53a71cf584d3623
        • MD5 SHA1 SHA512 SSDEEP

        wgbidfsnmwuei.exe

        • Path C:\Windows\SysWOW64\wgbidfsnmwuei.exe
        • Size 255KB
        • SHA256 589e7d589f8f9c44fdf5ddcc5777c515135cef68a69a1100a53a71cf584d3623
        • MD5 SHA1 SHA512 SSDEEP

        mydoc.rtf

        • Path C:\Windows\mydoc.rtf
        • Size 223B
        • SHA256 85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
        • MD5 SHA1 SHA512

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 255KB
        • SHA256 2d955f733a5d2319dc7fae696e2c6d4f5b88b3196021d20694785a160982d0ff
        • MD5 SHA1 SHA512 SSDEEP

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 255KB
        • SHA256 2d955f733a5d2319dc7fae696e2c6d4f5b88b3196021d20694785a160982d0ff
        • MD5 SHA1 SHA512 SSDEEP

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 255KB
        • SHA256 2d955f733a5d2319dc7fae696e2c6d4f5b88b3196021d20694785a160982d0ff
        • MD5 SHA1 SHA512 SSDEEP

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 255KB
        • SHA256 0c9bdcc858c2d9ba282761e3544ffce38911423413f4112e39e48bae399ab281
        • MD5 SHA1 SHA512 SSDEEP

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 255KB
        • SHA256 0c9bdcc858c2d9ba282761e3544ffce38911423413f4112e39e48bae399ab281
        • MD5 SHA1 SHA512 SSDEEP

        memory/1376-167-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/1376-150-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/1508-168-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/1508-151-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/1508-179-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/2076-180-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/2076-166-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/2076-149-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/2228-156-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2228-162-0x00007FFFA5560000-0x00007FFFA5570000-memory.dmp

        memory/2228-159-0x00007FFFA5560000-0x00007FFFA5570000-memory.dmp

        memory/2228-155-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2228-175-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2228-157-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2228-178-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2228-177-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2228-154-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2228-158-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2228-176-0x00007FFFA7C90000-0x00007FFFA7CA0000-memory.dmp

        memory/2252-165-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/2252-148-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4980-136-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/4980-164-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/5012-132-0x0000000000400000-0x00000000004A0000-memory.dmp

        memory/5012-153-0x0000000000400000-0x00000000004A0000-memory.dmp