Analysis

  • max time kernel
    149s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 22:29

General

  • Target

    b8fabf807efe6c0b712c20ded166d12c182f5a76e3adc352f2f9a6fcdf9defb5.exe

  • Size

    79KB

  • MD5

    83c5ae72482d3aa72b5823112d32cbfc

  • SHA1

    01a6734fa5d5670df0497381814734a0f286f558

  • SHA256

    b8fabf807efe6c0b712c20ded166d12c182f5a76e3adc352f2f9a6fcdf9defb5

  • SHA512

    ba72d4278b33a5c20525c5700771d079c2a4fa395a96a1bc7c8652cdc1a230731811eb71bd9ea591a2a691e7810539c270ac1e1d5e6880418e4dec7306e976e1

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOhEbGY:GhfxHNIreQm+Hi2EbGY

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 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 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8fabf807efe6c0b712c20ded166d12c182f5a76e3adc352f2f9a6fcdf9defb5.exe
    "C:\Users\Admin\AppData\Local\Temp\b8fabf807efe6c0b712c20ded166d12c182f5a76e3adc352f2f9a6fcdf9defb5.exe"
    1⤵
    • 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:3968
    • 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:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    75KB

    MD5

    76d34b0faf8a356668d0dbd909594cdf

    SHA1

    1b0463ae732fd461deae7598251403d8e4a91e9a

    SHA256

    65143cdf6c14f3871f0d3f4232454daa042cba66aab4a1d7f3a6d3250a15a313

    SHA512

    d0c4a12057d1375fde6fa47d187bc60c7b5d6f62b17bfc7fb9f449ab98d3297937b88aec966ac1a4d862c7d0f99aba47b00ee65e538ecc062b5b7fd08e417cc6

  • C:\Windows\System\rundll32.exe

    Filesize

    82KB

    MD5

    388dd5f4b72ad505c9fca603739aa82c

    SHA1

    75bf92c7bb8793e6dd9821e99bcf0b152bb7ef89

    SHA256

    a6fe2f464ab5a693b37c56da0469eb10ec9303011afe6a51b3c478741d379f4e

    SHA512

    420046fd105093f6db82ee4edf7f46a5b95155d2f9135c45b5d1ed628a3e8a3a017bc5d60a776d12c1fa27fe097a3acc47540642a951c572ffde975a081eb789

  • memory/3968-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/3968-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB