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Overview

overview

10

Static

static

5

17ddb4edf5...04.exe

windows7-x64

10

17ddb4edf5...04.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 12:01

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General

  • Target

    17ddb4edf577c9143cab458936f7fa04.exe

  • Size

    512KB

  • MD5

    17ddb4edf577c9143cab458936f7fa04

  • SHA1

    3fcb06b9c98fe4d8aa4778c33a76353bcbf2af15

  • SHA256

    0f65f212348cc045f8cdd39ac4a2a63f626841eb02e7c50bd73b62567befcc3d

  • SHA512

    bfa99ecad681a5360ec3f2083b9640329a7d7f849173fa4d6c12f2526f9da29dc1dd9ce672f8e3c3cdd4b096559c9eb5f17187a9a2e8ed587c313437ce063a34

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6U:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm59

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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
    persistence
  • AutoIT Executable 8 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17ddb4edf577c9143cab458936f7fa04.exe
    "C:\Users\Admin\AppData\Local\Temp\17ddb4edf577c9143cab458936f7fa04.exe"
    1⤵
    • Loads dropped DLL
    • 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:1680
    • C:\Windows\SysWOW64\zfppktzvuzqyj.exe
      zfppktzvuzqyj.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3052
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1736
      • C:\Windows\SysWOW64\viynngcm.exe
        viynngcm.exe
        2⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1272
      • C:\Windows\SysWOW64\fcdoarglpgetzin.exe
        fcdoarglpgetzin.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2628
      • C:\Windows\SysWOW64\ttczvhmdzc.exe
        ttczvhmdzc.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
        • Loads dropped DLL
        • 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:2176
    • C:\Windows\SysWOW64\viynngcm.exe
      C:\Windows\system32\viynngcm.exe
      1⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2652

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      7739df2c55c71ab6043fe9945d0d3309

      SHA1

      772454a364036dbf5405f770216238039caa8a50

      SHA256

      89c1b2a93dc5dcaf52415b9d2b7be3ab2e2af8e860ba83e3ac4d767dd012ca99

      SHA512

      8c640e6765038aab59d496b91f429a254cfdfa7b81c01697f2f01d67b4364de485e7dcb97579a6dcc1386c2d68f8614883a6c5c2a8bf8792783dd635563f68e4

      Download Submit

    • C:\Windows\SysWOW64\fcdoarglpgetzin.exe
      Filesize

      512KB

      MD5

      62ecc3740359f2d1c0aba7fdfdcde8ba

      SHA1

      a37bb813960d225a203871401bd8cb372311b44b

      SHA256

      a42877579abf17dd872c85aa5760c1878a54657b481d224d28aed3425271761e

      SHA512

      66e0538631b84c8f586376b913fd051fe001dda3c06a6d92e8b3dee884f71b0e70d2e7dcdacec7cea1b2cc2efb7e6194b1b29788981e6182c22a7f96d7fcdb29

      Download Submit

    • C:\Windows\SysWOW64\fcdoarglpgetzin.exe
      Filesize

      93KB

      MD5

      257f28bd5bdc2b725434b7ab570814e7

      SHA1

      972446e0f8d210c5d6f42a57a921391a236d564d

      SHA256

      d80f45a5995ba038d69dbe87f7c12827ffa2b53e79beedb0bc6ee91c10a61688

      SHA512

      c27aa91c3c3605941a1a121021c840fc7886cf27d43e9d6b2c371888a276d9dfd39135600a4f933f62dfa3d46cb6e12de6e31b3f8b939676701ff37f8cc61575

      Download Submit

    • C:\Windows\SysWOW64\ttczvhmdzc.exe
      Filesize

      382KB

      MD5

      badd716c7c48a8241873d9251da496d1

      SHA1

      6bd2a072c8f64a1780fe75d983cb7b6584985c6d

      SHA256

      ad4373bfa026f66380b8ce44d6bc300d146770114fb10087019af7c616dc11d7

      SHA512

      7bf3f09216e2ba376053e668963797cd78f91119467917a84f467dd3110d6bd26592784cdf7cefd293413ff5b6dbe10a996d89627177235d9f109732c05f36c5

      Download Submit

    • C:\Windows\SysWOW64\viynngcm.exe
      Filesize

      381KB

      MD5

      30aec9e0b33fbd99234328357879f812

      SHA1

      3c9d37139d4ccfe2b694afba9633170d0f510a92

      SHA256

      15aad0daaaeea2f1eb8d19a8999f42844b2885d6bef949f6787feba7dad46563

      SHA512

      2060f2cc8c90181dd0a9965f0ff3a94aece08c82c4a68454846f66778bc60dade3ba5ddc38be57311ff4a7bd78217b89a9cd09837eee4b5d9893277299dad415

      Download Submit

    • \Windows\SysWOW64\ttczvhmdzc.exe
      Filesize

      512KB

      MD5

      fde2d04ef688869c9f31d23fcaf0d891

      SHA1

      0e828a5f3c97d27cd1767e5e95a9a4c4092e16cb

      SHA256

      5eb54a71c91c211f2c1cf8cd6adf20ccec8a011ee05e2dc878e4ce7e54a570ca

      SHA512

      0674966fa00a55fd3c71f95a0dec1cfe801f475212a2a002ddf15ee409f0bfa3862de09ab01096ca90e394105e8a969dafe090e2abcf7c80638e46d4c633c6d0

      Download Submit

    • \Windows\SysWOW64\zfppktzvuzqyj.exe
      Filesize

      512KB

      MD5

      9cd062a4e598161133a847e1e0dd69fd

      SHA1

      5be8d5a75894434353d04c576bb5e42dd98c9393

      SHA256

      92d572211acb4dc21e5c5b04b10457e37fb0a452517d79e70ccae6d5656aaf00

      SHA512

      45eac0176fe897117ffbdf1d8b8bf104e9431cef44fb38ee1b11136ca64ec7e48e1d048e8f82d393b372b2680cd4b7d62907598c914c69104b143bbd76672fea

      Download Submit

    • memory/1680-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2620-45-0x000000002F8A1000-0x000000002F8A2000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2620-47-0x0000000070B0D000-0x0000000070B18000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2620-78-0x0000000070B0D000-0x0000000070B18000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2620-99-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2620-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download