Analysis

  • max time kernel
    130s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:41

General

  • Target

    6fb16f7e16f7b7cbbda908fb4f7eb4f0_NeikiAnalytics.exe

  • Size

    91KB

  • MD5

    6fb16f7e16f7b7cbbda908fb4f7eb4f0

  • SHA1

    27c0f978201c994c7e19d7ea33d8c7ca867d0c66

  • SHA256

    d21386b9e80499cc3edc46a20063059a228cc6764e370b8887a61cd21e8bc694

  • SHA512

    cd7dfcd6bd0add6d01ad87560ed8dd48d8be64181203bc0cf87122933e717df977b09da73e6a1c80e0db81ae325a1e58a9aba5a5c9100dcd954679d21dcacb04

  • SSDEEP

    1536:XJRtlEnBHHIgabuYotV/JbJCX5SBijJRtlEnBHHIgabuYotV/JbJCX5SBiE:XvtYxOuYotvYQIjvtYxOuYotvYQIE

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
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\6fb16f7e16f7b7cbbda908fb4f7eb4f0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\6fb16f7e16f7b7cbbda908fb4f7eb4f0_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:216
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2276
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4060
    • 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:3764
    • 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:1004
    • 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:4856
    • 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:4780
    • 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:2324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE

    Filesize

    91KB

    MD5

    eaadc44bc1367c2b32eb0a4200c29f1f

    SHA1

    c1a9d01fabdd832a336d0c13d65bbfad1769ac4c

    SHA256

    237585ec3499013f38d4beab4777e4cdb68795233f027ec3df2d6ce005b308b0

    SHA512

    46d84f0b3ffb4ea37327fa4888f5f20c7bd9fd9e8dc92024071473da1884d8cdb10c5ec03b253aff68b63bf60f8e8c6f18e0af76fd74e37c868b9a9674140a79

  • C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE

    Filesize

    91KB

    MD5

    ce8795e26851ed6ceba2121b35eb5ce9

    SHA1

    79087222d507ba4a637506b324c19815105ba030

    SHA256

    1918d29e2fd8a7b51d1df5304adef0d400b600498a3fed772ca21e15fc34e23e

    SHA512

    f3d28188a0460c63aa4fbbfc68c4c5c7f1cd20df3af0992016eb0df1d4f78bef8c476f8781993cb1f1181cffca4eb7d18fb63ee2e55fe94f31bc25a6a071c09f

  • C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE

    Filesize

    91KB

    MD5

    cf4b928260c138ea2d9c5b85cf71b3f1

    SHA1

    bef87d916cebbb9896246af0ddc4d7c2b39a9ce3

    SHA256

    f82213e68cdfa6459f9f2bd3010463c4b9dde0440d405417b4ad303a2a5dbba5

    SHA512

    afa27b8c091359bc59ad7721b803787622dcda20f0f201392deea5a88d3ddb229f415fead510df19b4f6c4fb528777effe3bee1a0545edef2332ebf83f053b02

  • C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE

    Filesize

    91KB

    MD5

    8540aed4eb383d86bdb98a1cb8d01139

    SHA1

    87edbf77f73c131874a9cd04fb6dedc99cd2c079

    SHA256

    2aefdb56575976031992d8bfa339aa05b0d413db73cffd8cf901dc1119da6b4a

    SHA512

    430e7cdc20781fa155d07788a36d02a40145a9a6fdf616b86b46c9172b1292218db3a1b3802103b697013da4d3dc388e3ed6d24ade773f70dae36a3f3088e936

  • C:\Users\Admin\AppData\Local\winlogon.exe

    Filesize

    91KB

    MD5

    6fb16f7e16f7b7cbbda908fb4f7eb4f0

    SHA1

    27c0f978201c994c7e19d7ea33d8c7ca867d0c66

    SHA256

    d21386b9e80499cc3edc46a20063059a228cc6764e370b8887a61cd21e8bc694

    SHA512

    cd7dfcd6bd0add6d01ad87560ed8dd48d8be64181203bc0cf87122933e717df977b09da73e6a1c80e0db81ae325a1e58a9aba5a5c9100dcd954679d21dcacb04

  • C:\Windows\SysWOW64\IExplorer.exe

    Filesize

    91KB

    MD5

    94afcc6df44b6b9514003d4a67b36b38

    SHA1

    a4ad53e5c2a0b994387f5494364a740fe042a3fb

    SHA256

    c65c3bab66c40ba636c58c7808b17524ee9b084650f4700fb9c9c604d8abb28c

    SHA512

    7300fbe33d09a4d65e68cdd17a0686cc8e276714d6a40cda961d054f0f652ea844abffe68e4d449a951d74f6d1242b7220e9a29592d6130d3aaeac2d6a765b4f

  • C:\Windows\xk.exe

    Filesize

    91KB

    MD5

    895e6a30dd3b1187ae74aa1f713eebc3

    SHA1

    64e20de4b8a5e1a33ae45bfeba55d0d90f114dce

    SHA256

    296bd8f90e58fd9f6687b3a04715d0289425957573bccb3b55693b56b709b182

    SHA512

    3f8c278c7dd0bb26107f7b2be4f3c417dc0403a9f50f3128611edd03831691753b4b4f9bab5c82240d2c2314a7e183cd8c724f0e28149dc985434c4a9657d448

  • memory/216-0-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/216-153-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1004-129-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2276-112-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2324-151-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/3764-123-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4060-118-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4780-144-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4856-133-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4856-137-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB