Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-05-2024 06:11

General

  • Target

    f1871002492bac5f786b08f4c3b53200_NEIKI.exe

  • Size

    130KB

  • MD5

    f1871002492bac5f786b08f4c3b53200

  • SHA1

    21ff21621cb3b38db8113be274de925390d36354

  • SHA256

    4c7b9e3a3031e788964c0e377ebf1ce72453eddc65f3145e02c656588aa0a5c5

  • SHA512

    7cc2623e01dc75c8cf72a0bb1e4d51ee81baaf2710bfc8a8889b64e8c71da0225915cc8219aa5ed4bd24d28663dab0604cb991f9014daa760834566a194a91b4

  • SSDEEP

    1536:eH1ZaQvR1KiX3NK6I+hZhYrt/w5Q6G6IpiRYzz9qJHhhnm0yG5aP/5UROXTmX:SKQJcinxphkG5Q6GdpIOkJHhKRyOXK

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 8 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1871002492bac5f786b08f4c3b53200_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\f1871002492bac5f786b08f4c3b53200_NEIKI.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\f1871002492bac5f786b08f4c3b53200_NEIKI.exe
      "C:\Users\Admin\AppData\Local\Temp\f1871002492bac5f786b08f4c3b53200_NEIKI.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:194208
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\OKLWT.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:71020
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v ".Flasfh" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe" /f
          4⤵
          • Adds Run key to start application
          PID:160324
      • C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe
        "C:\Users\Admin\AppData\Roaming\..Flash\Flaseher.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:163592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\OKLWT.bat

    Filesize

    145B

    MD5

    da0cbe87b720a79b294147ed6a4b98be

    SHA1

    ebf0dc9efd7a12cb192e355cda87546acb4ab360

    SHA256

    7ccfeff356fdccc9145bd1e263aa1c56360ca7b6552ed5a5665c596d02a627ed

    SHA512

    f55c4a3d24d2f11db5eda3c816d1cd3b8804a171a7bf715b13d60788247fbb352eafaa5bd4e0a8086c1013396be0a48c7bdb904ab0f974fa0c75e81e3d365acc

  • \Users\Admin\AppData\Roaming\..Flash\Flaseher.exe

    Filesize

    130KB

    MD5

    4d6296d6f55b2537fb67ac3022ce1832

    SHA1

    3b5ada6cae1e8ccb3fa69b9c40a782352fef40c7

    SHA256

    29cee1aca37a86b2c130c9234c2cbe7c468144aa5a3980abc5c965f606fc25f6

    SHA512

    a77a71dada88bb986ad3dae3cde74859926e065776facbab9dc4533d3549086348f9d29f03faf5b30fd86b2534481df601d473733d33b87c8a1f42b08402c642

  • memory/2944-798800-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2944-9-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/2944-21-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2944-41-0x00000000003C0000-0x00000000003C1000-memory.dmp

    Filesize

    4KB

  • memory/2944-51-0x0000000001D30000-0x0000000001D31000-memory.dmp

    Filesize

    4KB

  • memory/2944-77-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2944-73-0x0000000000416000-0x0000000000417000-memory.dmp

    Filesize

    4KB

  • memory/2944-3-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2944-0-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/2944-11-0x0000000000270000-0x0000000000271000-memory.dmp

    Filesize

    4KB

  • memory/163592-798845-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/194208-798797-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/194208-798827-0x0000000003220000-0x0000000003243000-memory.dmp

    Filesize

    140KB

  • memory/194208-798833-0x0000000003220000-0x0000000003243000-memory.dmp

    Filesize

    140KB

  • memory/194208-798842-0x0000000003220000-0x0000000003243000-memory.dmp

    Filesize

    140KB

  • memory/194208-798841-0x0000000003220000-0x0000000003243000-memory.dmp

    Filesize

    140KB

  • memory/194208-798843-0x0000000003220000-0x0000000003243000-memory.dmp

    Filesize

    140KB

  • memory/194208-817475-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/194208-841168-0x0000000003220000-0x0000000003243000-memory.dmp

    Filesize

    140KB