Analysis

  • max time kernel
    118s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 01:32

General

  • Target

    1d564ae000b7f3fc215d621a81e45f50_NeikiAnalytics.exe

  • Size

    91KB

  • MD5

    1d564ae000b7f3fc215d621a81e45f50

  • SHA1

    300661dd7833fabb370d30fad99503cc9d8046ca

  • SHA256

    8302ebabe86b30ccb42437bde5d8d33deb8b4dc267d3fdc99cd1ec6c998c917c

  • SHA512

    5174672bbd2e4ffe86e14cda2e5638452a119978350c51bf2568ad2fa96299205e145ff3116e2ee393a64c1226623894027ec394a75722f8fe78f8340adc8dba

  • SSDEEP

    1536:zAwEmBZ04faWmtN4nic+6GEAwEmBZ04faWmtN4nic+6GW:zGms4Eton0EGms4Eton0W

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\1d564ae000b7f3fc215d621a81e45f50_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\1d564ae000b7f3fc215d621a81e45f50_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:1100
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2472
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2780
    • 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:1488
    • 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:1660
    • 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:1128
    • 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:800
    • 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:1496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    91KB

    MD5

    b6ae1eea5af64ecaf772aa115946ac22

    SHA1

    48cc6276b118409da2ad9cb464012efacf04b0f7

    SHA256

    b80bbc1058f49c1a2cb214f51e30e82b283d7fa224645c3e9d9915e767858bac

    SHA512

    23440b20e4234a42577e61e40c336e9045a8deb4db6a59ddf53792d1fa324e92faf46acd553c68c725e5fd90004a35add5f900a9795e9bbc9464e7ab9129a798

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

    Filesize

    91KB

    MD5

    16fbae5d08e766554dbbed3630bd1c1f

    SHA1

    980acc342fb2508e268da5dd103cbc194d6071b7

    SHA256

    75a8070b15f42a295316e79a33df5f0b3989a9ac1ad93c6e5b8ac981c51ceb58

    SHA512

    5bc5ccd926436ae0c7cbff8662f1675a32eedce19309096277f98bffa82d9a0b519a1bde08bb2faf87d9094c8756fd3e1b1e884b4a18ad822ea160b1e733ab2e

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

    Filesize

    91KB

    MD5

    1d564ae000b7f3fc215d621a81e45f50

    SHA1

    300661dd7833fabb370d30fad99503cc9d8046ca

    SHA256

    8302ebabe86b30ccb42437bde5d8d33deb8b4dc267d3fdc99cd1ec6c998c917c

    SHA512

    5174672bbd2e4ffe86e14cda2e5638452a119978350c51bf2568ad2fa96299205e145ff3116e2ee393a64c1226623894027ec394a75722f8fe78f8340adc8dba

  • C:\Windows\xk.exe

    Filesize

    91KB

    MD5

    db61dffef2d1e067b1c7f482e5247f06

    SHA1

    af4e2a9442c1d8e7c1104f3ed54fcb5ff2c51858

    SHA256

    e97b8bc5bb0034bbcaa0ca38c2526b699173fe3663193a3a42e4bf31f02a9688

    SHA512

    d7631f27c46e83843ff11b18f95a71ce977b54b80e088731f95c9bfb512b914e3473baa06539b96cf648f57d4f1113b36d0562ae3d589b518d97797ec614824b

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

    Filesize

    91KB

    MD5

    95c23595ca5412c57a2fb9fd7f455f0e

    SHA1

    cd4a05d96d2f7b587c91d6ddae70059908600129

    SHA256

    2026e15824c2c604f7114ce166d5382d528f0b94e2b95bb8125b03e55ec07396

    SHA512

    9ab6b679adcd6d9da1b6ac798a4b6ed10f02f4f593932cda368dd9f23e4a96bd5c9eae198e478bbffb173324ca693e29a60012e5010ca85bbcf910aa0f62ff40

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

    Filesize

    91KB

    MD5

    63384dc019ad8b8914807e38f323098c

    SHA1

    9d290d8b9749b38d0c832fd0d6b06a38bbf5b163

    SHA256

    7783f567e256e9a8c38b4b083ca1f33fb932f967757a2ac4c28011b0a51d5d37

    SHA512

    70ba2117cc2b396b127be6556d003472282f30c2c53b5f54e8f53cd02bc37d4feaa42a5793f78f7644d4c244dbd7bc1f45ca9dbcf072f26206c9531888643b69

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

    Filesize

    91KB

    MD5

    859ba2ce17212d2f063580059a3ff708

    SHA1

    879e88f59792938b73fb9bafeda87ecae4f6c296

    SHA256

    07359a025ac93377320f1d68cb985ff41508c5019f8842ab1e0cdb5b5607aa0a

    SHA512

    755791c1860d15fed1fe66bd2e27090efef5e6b4d84a32bfca285a7884eb10240afba8c5523bac94fdc9f7c936cd1de89964cb115701d6fe54c59d7830eb7a24

  • \Windows\SysWOW64\IExplorer.exe

    Filesize

    91KB

    MD5

    3925f80ff79286ba0b19445172a16af3

    SHA1

    d1a1c3f8be47085392985a2a0b46497adbc98eea

    SHA256

    65c49353aa485fda8dae3d721bfd9693a9542320e47f91adebc650984a7521b7

    SHA512

    365841a277e61eae43fee2783dc06454384f07320838d94ce91936742837711847f486a30e16e749a6297a1785ee5a43bf7f9a6b0f07da8ac9de761b18ec5a44

  • memory/800-170-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1100-178-0x0000000002820000-0x000000000284E000-memory.dmp

    Filesize

    184KB

  • memory/1100-185-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1100-145-0x0000000002820000-0x000000000284E000-memory.dmp

    Filesize

    184KB

  • memory/1100-106-0x0000000002820000-0x000000000284E000-memory.dmp

    Filesize

    184KB

  • memory/1100-157-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1100-132-0x0000000002820000-0x000000000284E000-memory.dmp

    Filesize

    184KB

  • memory/1100-111-0x0000000002820000-0x000000000284E000-memory.dmp

    Filesize

    184KB

  • memory/1100-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1128-160-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1488-138-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1496-179-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1496-184-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1660-146-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/1660-149-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2472-114-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2780-127-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB