Overview

overview

10

Static

static

7

a0aa95995a...cs.exe

windows7-x64

10

a0aa95995a...cs.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 04:01

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General

  • Target
    a0aa95995a841d307ec8b829075ea760_NeikiAnalytics.exe
  • Size 91KB
  • Sample240614-elagmsvamf
  • SHA256 fe08914df87c8274638d0673106d1954275a060dfb4e9a618f7c346bad1b981f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
evasionpersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Disables RegEdit via registry modification 2 IoCs
    evasion
  • Disables use of System Restore points 1 TTPs
    evasion
  • Executes dropped EXE 7 IoCs
  • Modifies system executable filetype association 2 TTPs 13 IoCs
    persistence
  • UPX packed file 18 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 5 IoCs
    persistence
  • Drops file in System32 directory 6 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies Control Panel 4 IoCs
    evasion
  • 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
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0aa95995a841d307ec8b829075ea760_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\a0aa95995a841d307ec8b829075ea760_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:1640
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4292
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2488
    • 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:4528
    • 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:2704
    • 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:1916
    • 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:3332
    • 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:2700

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        CSRSS.EXE
        • Path C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
        • Size 91KB
        • SHA256 c0e4ce78d73f8ca0f989ea0c8707a752a4e17e5daf09a26c1339f640a14a7bae
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        SERVICES.EXE
        • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
        • Size 91KB
        • SHA256 61eda7b5ae800f38249deac8af8aa93c320e9ec8b6d96343484af7c23e143dee
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        SMSS.EXE
        • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
        • Size 91KB
        • SHA256 59a48080775b7f64249a5a2bd8ca5d20296bb7c7768519d29da928f060bc28db
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        winlogon.exe
        • Path C:\Users\Admin\AppData\Local\winlogon.exe
        • Size 91KB
        • SHA256 fe08914df87c8274638d0673106d1954275a060dfb4e9a618f7c346bad1b981f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        LSASS.EXE
        • Path C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE
        • Size 91KB
        • SHA256 c01ba5df17e37263cb5734cd6f601772765f94d7b763aabf488dbc87f4225e63
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        IExplorer.exe
        • Path C:\Windows\SysWOW64\IExplorer.exe
        • Size 91KB
        • SHA256 790b350c04da1d8696a95a325266892e5785532a6288173638e0a6760754abaf
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        xk.exe
        • Path C:\Windows\xk.exe
        • Size 91KB
        • SHA256 835a20f7e1fc9ad3b8e851d3875fc62e9c9904db16bacb9eefabcebe6aa93ba8
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1640-154-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/1640-0-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/1916-141-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/1916-137-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2488-119-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2488-115-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2700-153-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2704-135-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/3332-147-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/4292-114-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/4528-126-0x0000000000400000-0x000000000042F000-memory.dmp
        Download