Analysis

  • max time kernel
    143s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 12:18

General

  • Target
    3499820196a6653c26e6d3ac98efe8f0_NeikiAnalytics.exe
  • Size 91KB
  • Sample240611-pgtd3axbkm
  • SHA256 8990fa416b300869d4807a8b97ec1a29ebed8b59c810dd1b771fc5837ab14284
  • 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 14 IoCs
  • Modifies system executable filetype association 2 TTPs 13 IoCs
  • UPX packed file 35 IoCs

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

  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops desktop.ini file(s) 4 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 14 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3499820196a6653c26e6d3ac98efe8f0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\3499820196a6653c26e6d3ac98efe8f0_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 desktop.ini file(s)
    • Enumerates connected drives
    • 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:1496
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1112
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4976
    • 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:1460
    • 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:1772
    • 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:100
    • 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:4880
    • 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:2288
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:528
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2276
    • 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:4352
    • 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:768
    • 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:1856
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"
      2⤵
      • Executes dropped EXE
      PID:2492
    • 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:4332
  • 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 --mojo-platform-channel-handle=4240 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4232

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          CSRSS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
          • Size 91KB
          • SHA256 8ac9e58c76ece38bc12c13c21e743b9010f19ef87fde0312fa8041e2579848ad
          • MD5 SHA1 SHA512 SSDEEP

          CSRSS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
          • Size 91KB
          • SHA256 ee53b39aece681e2a05684163dc915a3f29d3684527b9663bca4ef97ad3ce6c4
          • MD5 SHA1 SHA512 SSDEEP

          LSASS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
          • Size 91KB
          • SHA256 bd7959e1b769cad2d09725e42f62a4a68fef8e9de1476a421ffb8446791a6382
          • MD5 SHA1 SHA512 SSDEEP

          LSASS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
          • Size 91KB
          • SHA256 a88eb3c6ab911552695b157c27a4afba929c4067de6720a7dcdff352d59b732b
          • MD5 SHA1 SHA512 SSDEEP

          SERVICES.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
          • Size 91KB
          • SHA256 c3a729f80139ed5dfd03c4834a5600d8e59ca5525123393077b97cb42377e9e6
          • MD5 SHA1 SHA512 SSDEEP

          SERVICES.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
          • Size 91KB
          • SHA256 240e1d44d2f97f7d5cb607be85fc1db2f1e5ae31af3cd67100cd937c3f114eb7
          • MD5 SHA1 SHA512 SSDEEP

          SMSS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
          • Size 91KB
          • SHA256 6bb89bbcb34c77463eebdbd07cd149f667859f6abc7762dbe41494443c565f2f
          • MD5 SHA1 SHA512 SSDEEP

          SMSS.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
          • Size 91KB
          • SHA256 dbeb7e1aa49048053883bbdab2f2b320b59f70cb41588df71aa3440295d77067
          • MD5 SHA1 SHA512 SSDEEP

          WINLOGON.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
          • Size 91KB
          • SHA256 f48cc34d43ca199ca42c100a77101b0515eedceb5909b30ba92b52946f6cc90b
          • MD5 SHA1 SHA512 SSDEEP

          WINLOGON.EXE

          • Path C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
          • Size 91KB
          • SHA256 f37b978805f3575461f8289deae885dfce198a3d7bd11532f06ab7c4fb955d8c
          • MD5 SHA1 SHA512 SSDEEP

          IExplorer.exe

          • Path C:\Windows\SysWOW64\IExplorer.exe
          • Size 91KB
          • SHA256 9d8cb8acc85aa9be4fe1dc6689beb599d3035a8878741e23851a053942616f16
          • MD5 SHA1 SHA512 SSDEEP

          IExplorer.exe

          • Path C:\Windows\SysWOW64\IExplorer.exe
          • Size 91KB
          • SHA256 855c8a681460b561d7d32671265d425baf8a290508165e4607a43834aeead55b
          • MD5 SHA1 SHA512 SSDEEP

          IExplorer.exe

          • Path C:\Windows\SysWOW64\IExplorer.exe
          • Size 91KB
          • SHA256 8990fa416b300869d4807a8b97ec1a29ebed8b59c810dd1b771fc5837ab14284
          • MD5 SHA1 SHA512 SSDEEP

          xk.exe

          • Path C:\Windows\xk.exe
          • Size 91KB
          • SHA256 8aea3b3c70aa4a9ca9a937b30897f7f800677063a56427088ddc6d89e5f2b878
          • MD5 SHA1 SHA512 SSDEEP

          xk.exe

          • Path C:\Windows\xk.exe
          • Size 91KB
          • SHA256 0c1d9c35301514766a8c931a68a7e324e13a0c80df0d1df9b0f4bde243f7474f
          • MD5 SHA1 SHA512 SSDEEP

          Folder.htt

          • Path C:\XK\Folder.htt
          • Size 640B
          • SHA256 fe222b08327bbfb35cbd627c0526ba7b5755b02ce0a95823a4c0bf58e601d061
          • MD5 SHA1 SHA512

          desktop.ini

          • Path C:\desktop.ini
          • Size 217B
          • SHA256 52fb776a91b260bf196016ecb195550cdd9084058fe7b4dd3fe2d4fda1b6470e
          • MD5 SHA1 SHA512

          memory/100-81-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/528-234-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/768-280-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1112-55-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1460-63-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1460-67-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1496-121-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1496-0-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1496-271-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1496-120-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1496-294-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1772-74-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1856-285-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2276-240-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2288-94-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2492-287-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2492-288-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/4352-243-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/4880-89-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/4976-59-0x0000000000400000-0x000000000042F000-memory.dmp