Overview

overview

10

Static

static

5

284c76ab5d...f4.exe

windows7-x64

10

284c76ab5d...f4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 15:11

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General

  • Target

    284c76ab5dc43c053aafc2003d40c7f4.exe

  • Size

    512KB

  • MD5

    284c76ab5dc43c053aafc2003d40c7f4

  • SHA1

    fc6767d8f5ad657993e5aa0b1119f1f6e0bf50d0

  • SHA256

    fbe76953145bc653bb4ce6f773f9f5bd95da48e8bf13f3996083a14b2dcdfaff

  • SHA512

    3a4f1a903d31b3505054db3c3978602fd9a49226d26b81dd50086af8a609d62b732d91e5ac79fcf43e3576d47974c8ffaacfef51f20b7b8d7b9d39620762d815

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj67:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5o

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 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 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\284c76ab5dc43c053aafc2003d40c7f4.exe
    "C:\Users\Admin\AppData\Local\Temp\284c76ab5dc43c053aafc2003d40c7f4.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:1736
    • C:\Windows\SysWOW64\iiotiqertvcnjcs.exe
      iiotiqertvcnjcs.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2156
    • 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:2844
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2044
      • C:\Windows\SysWOW64\ftxrhcdrbmkff.exe
        ftxrhcdrbmkff.exe
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2732
      • C:\Windows\SysWOW64\uwtgzjgo.exe
        uwtgzjgo.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:2840
      • C:\Windows\SysWOW64\zcsjtcjycz.exe
        zcsjtcjycz.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:2544
    • C:\Windows\SysWOW64\uwtgzjgo.exe
      C:\Windows\system32\uwtgzjgo.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:2928

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      512KB

      MD5

      870bf3e108e4205f97342962f8648c26

      SHA1

      a956d885e758d3069f7d3b01e93ab6c4b26d2c40

      SHA256

      27644eb29cf842e3eac9c1da2d8d1f94a26e73cff1cf401f77a66941d03f8704

      SHA512

      4841b7e3c514fa813ec0fc2e06aa0408b03928f85529b39c1934cb21b2ac352f4f7bef0d6439e903828e1cda6f6a819b62963e866b9ed0b4478f07c1294a67a9

      Download Submit

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

      92KB

      MD5

      6662b185f19fbf697c56a25c92de7961

      SHA1

      0df0c0df0de3724258df2549c583e3c934aca726

      SHA256

      c11edb9e97848e20319fba876d9382c7193f68323eff1f7ed805bb04303bdc86

      SHA512

      c6e2cb83f68a63ca299dae843d2697d41dab8b565fb4005755b0d255b388779b6c1dad97375009c995f0a3d2e0acb4cc820090ca5dc24ee11e1a3de5b1a4921f

      Download Submit

    • \Windows\SysWOW64\zcsjtcjycz.exe
      Filesize

      98KB

      MD5

      609af11fd29d08e54980de8c57a56b23

      SHA1

      e50dccaa3bd6cb5b4793d75239949664c7b7b85c

      SHA256

      263becbbaf456f58f41f0ac5b3d64a9146f02fe787e80917150392fa4b571274

      SHA512

      598fc2efae60327ed354d106300f79ddd327756e93b5afaa7178dde66f28b9326c31b553190840a55c1d1d3b027015fbfe7b8a004564aed9dc1b3ecb184f8586

      Download Submit

    • memory/1736-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2844-45-0x000000002F601000-0x000000002F602000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2844-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2844-47-0x00000000715DD000-0x00000000715E8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2844-77-0x00000000715DD000-0x00000000715E8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2844-98-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download