Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/11/2024, 12:42

General

  • Target

    f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe

  • Size

    84KB

  • MD5

    dc7b3c0f11fe1f5738b649f9d36782c6

  • SHA1

    e2eee284f4e3ac477eadde6b53ccc725b7aacaaa

  • SHA256

    8a77240a1437b5c433fd3e79358be8411ffb5422b297641f0a52c0feeb19ef40

  • SHA512

    baff6e6adba0e591c91d0bfee1abf78fe69985cd8fa68d9ebff7f8d5a1b1b92f1b32aa6f6677488fd5254137dab89c21ecb67c584fdf3a9f8b67c6358459eb3b

  • SSDEEP

    768:sv6nMfqPS4BMSrc8ebdtF5EmpW/p/hxRSH9NxIkL9v/Q6sWTMR2iRw:svgBoZKmpSFhxRSHdL9bsi42iRw

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe
    "C:\Users\Admin\AppData\Local\Temp\f72833deb487adb65ad79f0c4d2df51ea753f0206af18e8c72fa1916a066ffc9N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\juekug.exe
      "C:\Users\Admin\juekug.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2548
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 788
      2⤵
      • Program crash
      PID:1736

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\juekug.exe

          Filesize

          84KB

          MD5

          2942d8ef7454330f849e65bbbe8f3489

          SHA1

          80a977af8abebfb91ce591539c457c39b9b1d1fa

          SHA256

          a5f2fd6174d571b47449670fdb2596820a1942c7cf046d101b5f56930c805a69

          SHA512

          408f1a4cf1f0d7d3bca23d600e100ff4c9ea68327e716142c67e8d7824a71aae796e1f658e7843d9097d9d777a8f911341bd8b1ec622ddb386ae921ed6590c40

        • memory/2384-0-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2384-14-0x0000000003AE0000-0x0000000003AFC000-memory.dmp

          Filesize

          112KB

        • memory/2384-9-0x0000000003AE0000-0x0000000003AFC000-memory.dmp

          Filesize

          112KB

        • memory/2384-19-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/2548-20-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB