Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29/05/2024, 15:11

General

  • Target

    b7afb20f3628a9e1670afd0cf423d39e1c2947d8b1872e50521fbdcd6cb718b3.exe

  • Size

    79KB

  • MD5

    7fcf79e3698a9029027ef6a73d2a62bb

  • SHA1

    72dea85fca455f8d3a6d7bb449a32bc5ef5bcd7c

  • SHA256

    b7afb20f3628a9e1670afd0cf423d39e1c2947d8b1872e50521fbdcd6cb718b3

  • SHA512

    5fc8f888e8a6b7e0d5bf77126cb3f1171c21bd332a7ee8677c6d42bf38469b27a015190d605587c535a57948f7f7304445cd2df2517c7e224139895cfa845f4f

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOW2gg0:GhfxHNIreQm+Hih2gg0

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7afb20f3628a9e1670afd0cf423d39e1c2947d8b1872e50521fbdcd6cb718b3.exe
    "C:\Users\Admin\AppData\Local\Temp\b7afb20f3628a9e1670afd0cf423d39e1c2947d8b1872e50521fbdcd6cb718b3.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2356

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\notepad¢¬.exe

          Filesize

          73KB

          MD5

          dcbebb2e811ae86cbfd669c63a3d2d57

          SHA1

          961f3a853fdd2a7053399e74163c3697a6d31b33

          SHA256

          f29b608c6c6b0a0bee415c0af071104ba1f7b672cda9852a0a75b2c951b5ed1d

          SHA512

          8b753ce64b553c3966d8e4f15a7002612737da47a9d74022693b10894e88811ad379dc361a4c7ed13a198f5b96e660e90b496a1f277161951aacc72f722f5639

        • \Windows\system\rundll32.exe

          Filesize

          74KB

          MD5

          5f5cf48876551ffaff525622c9e10988

          SHA1

          cd61d0d425dda3ba3fc3b3f811abcc11e85b7291

          SHA256

          06e09d55073abff03676368630a57a72bb093f064b4ceed4a0e4f6f369eae959

          SHA512

          2df2a68fded477bb23ea082f043e48c565ae20c5f3fc588859e2bb4800d5949b0cac94f39caa8fee5644eed03bbf0f1ab3a239f723e748738aaabc071ff9748c

        • memory/2356-20-0x0000000000400000-0x0000000000415A00-memory.dmp

          Filesize

          86KB

        • memory/2608-0-0x0000000000400000-0x0000000000415A00-memory.dmp

          Filesize

          86KB

        • memory/2608-12-0x00000000002E0000-0x00000000002F6000-memory.dmp

          Filesize

          88KB

        • memory/2608-19-0x00000000002E0000-0x00000000002F6000-memory.dmp

          Filesize

          88KB

        • memory/2608-21-0x0000000000400000-0x0000000000415A00-memory.dmp

          Filesize

          86KB

        • memory/2608-22-0x00000000002E0000-0x00000000002E2000-memory.dmp

          Filesize

          8KB