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Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16/05/2024, 13:40

General

  • Target

    e0f5eeca391f562e9b47684478f8fe70_NeikiAnalytics.exe

  • Size

    91KB

  • MD5

    e0f5eeca391f562e9b47684478f8fe70

  • SHA1

    b9d651efa29afe6e1ff5969abbaea4771befc774

  • SHA256

    4f4cb7610809fa4eaefa419a1ee6a90d07ed4ea911cc27a05b81561d6c253551

  • SHA512

    bc41f0318f9356d75f6d9e8af33ab0c352e4e572aae99222091965ceafc241103b30941f1a73e7ae8fedea9cd937405a672b3f5e6761cc8140594b1ab1c40429

  • SSDEEP

    768:E3gRYjXbUeHORIC4ZxBMldNKm8Mxm8I+IxrjPfAQ4o3Imu73gRYjXbUeHORIC4Zk:uT3OA3+KQsxfS4GT3OA3+KQsxfS45W

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
  • Loads dropped DLL 12 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Control Panel 4 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0f5eeca391f562e9b47684478f8fe70_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\e0f5eeca391f562e9b47684478f8fe70_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
    • Loads dropped DLL
    • 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:2120
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1640
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2612
    • 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:2672
    • 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:1784
    • 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:1564
    • 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:2784
    • 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:1372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    91KB

    MD5

    e069f6fd75e304c977e7668fb92cd080

    SHA1

    3efd3156bcb33b6dc5f05f89048ee472e4edfebe

    SHA256

    b487c452d820b26d4d0436a03bb5b68fa91561654fdda4e5be6bca3ac67e4d6d

    SHA512

    e225ac9270724e0b64246a3ffd279d4b3e1502f5b6d309083464d9b258b6fe92230dca849086d826428a4566094e379b0b38395c3ec4dc7ed6e88b0bf40c614b

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

    Filesize

    91KB

    MD5

    6dae7cd758812b878c31d1dc9dec6b9f

    SHA1

    17c8b652f50563eca1e1f9e53aa5c741c3bd09e1

    SHA256

    1195a4cd64a17dde453769ce4ad19017819d7337ef9352e7bbb73a92d0fd9aaf

    SHA512

    479a25aa83be446778784de7f333e1999920cb50e3772d835facb6238247d5065f977ad06fd2902e9b914cc1d4003528121b1aff9a77fe81c84df720fc8f4dea

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

    Filesize

    91KB

    MD5

    e0f5eeca391f562e9b47684478f8fe70

    SHA1

    b9d651efa29afe6e1ff5969abbaea4771befc774

    SHA256

    4f4cb7610809fa4eaefa419a1ee6a90d07ed4ea911cc27a05b81561d6c253551

    SHA512

    bc41f0318f9356d75f6d9e8af33ab0c352e4e572aae99222091965ceafc241103b30941f1a73e7ae8fedea9cd937405a672b3f5e6761cc8140594b1ab1c40429

  • C:\Windows\xk.exe

    Filesize

    91KB

    MD5

    0f3989ecda890b3a4eb1b9468b5d6373

    SHA1

    b9ce59e00fe83b244a8c376b89abcf2365162b13

    SHA256

    548c2c7b85562704f45ff81989c72d3d598e7ee9784c9470c4a02e85f12c44bf

    SHA512

    ed1e75797c687248a5163678d1863c8e203ef2ef98f6ddfd476130c4881ddfea2d49790709347261ab496438193420b4f50b78e61d52b4fc7c82c5f9e7206d63

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

    Filesize

    91KB

    MD5

    f587886459f8057b77ae86e8c88b1ed2

    SHA1

    a94036487d3c92eb08e35975e2b4f39b5ae73a3d

    SHA256

    962fb324b747a9dee256d044977666214c44faa54343214d512ba184e655af7b

    SHA512

    c41dd7e1d5e7fbb373adca38739702ec492d0bcdc8ae0b27d08c3707ebc6b4db5d4742e1df21699b0ee1ab18b06af97b9e0f6b2d61a61ad385926f240c1d8eb4

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

    Filesize

    91KB

    MD5

    5f2d88bee2477fe46286a5df57c6597c

    SHA1

    e538f4d72d0fe88cf4e03dae624682d13fb59bb9

    SHA256

    86270ec5d6461ddd3e51b15cc937e4ab4213644b6546a75eddac10fd70d4fcab

    SHA512

    f2c97ace25a0a000d3cae00dc0ce253a8a748dd9d67aa45e6be7c762ef170232cddd2414de1eca21bf8d7d75c3cc926cc0b3ae4ee8208481e0b1251b7ad2c047

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

    Filesize

    91KB

    MD5

    da471305524d4f0c8bfc1265c44d480c

    SHA1

    6be27fc251d68b8e761dd3325905733df856185f

    SHA256

    fb17a02a9b83c84f9b24cc0e0849457fe2eca379aa3dba84cd029fba8c69171a

    SHA512

    4cc964080ef1d7a41bcb8c60b219147a54c0c9776562d23a4dcc0272c9f776f85e98b5dc260c2ede95c6590dea865d2e64b52913d87b0c21352d2aaaf537a6dc

  • \Windows\SysWOW64\IExplorer.exe

    Filesize

    91KB

    MD5

    527a0c783a6e158c7a17ace23d21c9bf

    SHA1

    4dcb87d90b44da0919dc4d8fb27f8a2fd7dacba6

    SHA256

    02995eeeedcc5b82da074d925b143a17dd1df747ae3994704bcedc6978b0d000

    SHA512

    afcf4e37c6627303b44469723adda2cd3140c64f13c3a6f8a3d1751511637799fa5f0d2d761be8e6263f8b2e4d7160b8e04be4e5bff4d1358fbde7facee6ff06

  • memory/1372-200-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/1372-204-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1564-177-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1564-176-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1564-172-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/1640-120-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1640-114-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/1640-117-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/1784-159-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/1784-164-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2120-116-0x0000000002600000-0x000000000262C000-memory.dmp

    Filesize

    176KB

  • memory/2120-1-0x0000000000020000-0x0000000000024000-memory.dmp

    Filesize

    16KB

  • memory/2120-0-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2120-205-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2120-122-0x0000000002600000-0x000000000262C000-memory.dmp

    Filesize

    176KB

  • memory/2120-158-0x0000000000020000-0x0000000000024000-memory.dmp

    Filesize

    16KB

  • memory/2120-4-0x0000000000401000-0x0000000000427000-memory.dmp

    Filesize

    152KB

  • memory/2120-161-0x0000000000401000-0x0000000000427000-memory.dmp

    Filesize

    152KB

  • memory/2120-198-0x0000000002600000-0x000000000262C000-memory.dmp

    Filesize

    176KB

  • memory/2120-199-0x0000000002600000-0x000000000262C000-memory.dmp

    Filesize

    176KB

  • memory/2120-206-0x0000000000401000-0x0000000000427000-memory.dmp

    Filesize

    152KB

  • memory/2120-2-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/2120-129-0x0000000002600000-0x000000000262C000-memory.dmp

    Filesize

    176KB

  • memory/2120-3-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2612-132-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/2612-131-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2612-136-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2612-137-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2612-130-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2672-145-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/2672-149-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2784-185-0x0000000072940000-0x0000000072A93000-memory.dmp

    Filesize

    1.3MB

  • memory/2784-189-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB