Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 21:18

General

  • Target

    8be482bcf68d63264a05be9609c947d0_NeikiAnalytics.exe

  • Size

    504KB

  • MD5

    8be482bcf68d63264a05be9609c947d0

  • SHA1

    f77f6a0bca5cc8ca6dc61b2879c0206223218d6e

  • SHA256

    aa59eb46bae7e3596d4077f90d0e761347f231483a381b12c63e81a54381eef5

  • SHA512

    482e93c2fd1fe301b2d3a74ae069be0916aae96010cc99e8ec82f7fc60a485eb25e860dd22d1039bab928d05e12785c39d9288cf64c1a07be18fc1e0f3bf0f51

  • SSDEEP

    12288:tPmTkT0+nXTv1d5Jo/H4a6ZeUOHFVS9Qg:Vmo4IXhd81rS

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 11 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 5 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8be482bcf68d63264a05be9609c947d0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\8be482bcf68d63264a05be9609c947d0_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1860
    • C:\Users\Admin\AppData\Local\Temp\8be482bcf68d63264a05be9609c947d0_NeikiAnalytics.exe
      "C:\Users\Admin\AppData\Local\Temp\8be482bcf68d63264a05be9609c947d0_NeikiAnalytics.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Users\Admin\AppData\Roaming\AppsData\Explorrer.exe
        C:\Users\Admin\AppData\Roaming\AppsData\Explorrer.exe -notray
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2752
        • C:\Users\Admin\AppData\Roaming\AppsData\Explorrer.exe
          "C:\Users\Admin\AppData\Roaming\AppsData\Explorrer.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2576
          • C:\Windows\SysWOW64\ipconfig.exe
            "C:\Windows\system32\ipconfig.exe"
            5⤵
            • Gathers network information
            • Suspicious use of WriteProcessMemory
            PID:1588
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\GUQSWUXI.bat" "
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1216
              • C:\Windows\SysWOW64\reg.exe
                REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v Explorrer /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\AppsData\Explorrer.exe -notray" /f
                7⤵
                • Adds Run key to start application
                • Modifies registry key
                PID:1604
        • C:\Users\Admin\AppData\Roaming\AppsData\Explorrer.exe
          "C:\Users\Admin\AppData\Roaming\AppsData\Explorrer.exe"
          4⤵
          • Executes dropped EXE
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          PID:1700
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /u /s "C:\Users\Admin\AppData\Roaming\IE\bho.dll"
            5⤵
            • Loads dropped DLL
            PID:2172
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /s "C:\Users\Admin\AppData\Roaming\IE\bho.dll"
            5⤵
            • Loads dropped DLL
            • Installs/modifies Browser Helper Object
            • Modifies registry class
            PID:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    153B

    MD5

    02cbdd547ced25f8f7dc814d9169d567

    SHA1

    fc9697d828dcda615f6edd3e49a55b9307dbd311

    SHA256

    ec250cdf89523b18688d45fdc11bc93e46547a574ef59e03426c098f6b887c07

    SHA512

    cec1b6c5d843408e3cb6345a3430d8469a07c09677e1bd4c522c41ee29dbd941236a8dd9963410c69a165f3913c30aa22cfd206e51a59b9ffd160c38e70cfe3f

  • C:\Users\Admin\AppData\Roaming\AppsData\Explorrer.exe

    Filesize

    504KB

    MD5

    d4fc158b6bf8f9dc66e0a347f686f673

    SHA1

    fc86b99a7ee6c58a2afce37f586328473793ad4f

    SHA256

    f42452f214339c8dcaf7070d83d3139598d12dc262625b200c788c317e51b13c

    SHA512

    2c096ff5967b403a3f1159a050b87de5c226d81929864dff15c0f75c336f5df45c9d9fd127b96d33686a59b8bce60e717e0ba43489e132266d7fb973b5f13631

  • C:\Users\Admin\AppData\Roaming\IE\bho.dll

    Filesize

    87KB

    MD5

    49a92a33d1775b45b3bd45f8bec24585

    SHA1

    ea404af50bbdad5cbc9f95f4068bdc30c9fceff6

    SHA256

    976540cf1b4d04d80be1f1af8ea0f050c3f03a0a8c4e339589b7bb9180fc07f5

    SHA512

    7d5c4ea5c6f950a41bff386289df88b3f6d78444d7eeaa8a426569ce7698c2dfa916ae02d321af2be839c20e53b2ba9b3bb6a1573cad3b578733b082f0dc292f

  • memory/1588-91-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/1700-71-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-80-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-218-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-58-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-60-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-62-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-64-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-66-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-69-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-75-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-82-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-77-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-81-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-78-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-97-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-79-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-87-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-86-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-85-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1700-84-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1860-26-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/1860-0-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/1860-18-0x0000000001D10000-0x0000000001D11000-memory.dmp

    Filesize

    4KB

  • memory/1860-3-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/1860-22-0x0000000005EA0000-0x0000000005F3C000-memory.dmp

    Filesize

    624KB

  • memory/1860-4-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/1860-17-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1860-20-0x0000000001D80000-0x0000000001D81000-memory.dmp

    Filesize

    4KB

  • memory/1860-19-0x0000000001D70000-0x0000000001D71000-memory.dmp

    Filesize

    4KB

  • memory/1860-25-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/2576-102-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2576-96-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2584-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2584-7-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2584-9-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2584-5-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2584-15-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2584-40-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2584-27-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/2752-67-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/2752-83-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/2752-95-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/2752-41-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB

  • memory/2752-37-0x0000000000400000-0x000000000049C000-memory.dmp

    Filesize

    624KB