Analysis

  • max time kernel
    133s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 17:03

General

  • Target
    5b1953a1411ab00efecf54886715f8c0_NeikiAnalytics.exe
  • Size 45KB
  • Sample240603-vky2lsec78
  • SHA256 708b3c440c87e7190f291ecdc2f0c693c90da944e0b4e5c2223316422808f587
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables use of System Restore points 1 TTPs
  • Executes dropped EXE 7 IoCs
  • Modifies system executable filetype association 2 TTPs 13 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in System32 directory 6 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies Control Panel 4 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5b1953a1411ab00efecf54886715f8c0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\5b1953a1411ab00efecf54886715f8c0_NeikiAnalytics.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Disables RegEdit via registry modification
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4600
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3548
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4240
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3960
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:5028
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3844
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2672
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4660
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3624,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=3824 /prefetch:8
    1⤵
      PID:1816

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          CSRSS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
          • Size 45KB
          • SHA256 cd0f8a636da13f78de831de123d27dc454f3ff609a3110676200cf7d887f4421
          • MD5 SHA1 SHA512 SSDEEP

          LSASS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
          • Size 45KB
          • SHA256 107c9c13bef4a2152d18add326479c575676a0d06d7183e0716b47edd847273e
          • MD5 SHA1 SHA512 SSDEEP

          SERVICES.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
          • Size 45KB
          • SHA256 d562c2ef1184cafa28197f2d51c1aa396702f2b23b71a2f1947d1928f7541961
          • MD5 SHA1 SHA512 SSDEEP

          SMSS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
          • Size 45KB
          • SHA256 baab19b821af92f9717eee7b8bea7144104e12e2752eda172ed67091ed25c752
          • MD5 SHA1 SHA512 SSDEEP

          WINLOGON.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
          • Size 45KB
          • SHA256 d64e75bd9d72e678b6fb1869031fe6757ea762168461c5bc42fc71dd6431bb32
          • MD5 SHA1 SHA512 SSDEEP

          winlogon.exe

          • Path C:\Users\Admin\AppData\Local\winlogon.exe
          • Size 45KB
          • SHA256 708b3c440c87e7190f291ecdc2f0c693c90da944e0b4e5c2223316422808f587
          • MD5 SHA1 SHA512 SSDEEP

          IExplorer.exe

          • Path C:\Windows\SysWOW64\IExplorer.exe
          • Size 45KB
          • SHA256 1ad5c2c51707a353f76e2fcc4ee1dc64805c19f46fd2340badec97e6a8941a4a
          • MD5 SHA1 SHA512 SSDEEP

          xk.exe

          • Path C:\Windows\xk.exe
          • Size 45KB
          • SHA256 5b7f2c9ec939856637535d9c52decbb5793898bd771977c88756d87a08a48bec
          • MD5 SHA1 SHA512 SSDEEP

          memory/2672-146-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/3548-111-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/3844-141-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/3960-121-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/3960-127-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/4240-117-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/4600-0-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/4600-155-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/4660-153-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/5028-132-0x0000000000400000-0x000000000042E000-memory.dmp