Analysis

  • max time kernel
    141s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 19:46

General

  • Target

    0dbf1b710c3e35fd74c2fe81e4b4ce93f24f4da810a8c75d8189286fa3742548_NeikiAnalytics.exe

  • Size

    504KB

  • MD5

    c49d0b6efefe3e62e468ab069ded99d0

  • SHA1

    27e403a0c8d39f441aad8d81e41482acc2d16539

  • SHA256

    0dbf1b710c3e35fd74c2fe81e4b4ce93f24f4da810a8c75d8189286fa3742548

  • SHA512

    d44cb147d6aea089affb6a02dd3dec2b0b5933b07214bd96b3bb005131e63a54f341a01cebc79926dc5fc86e56998e18b0079e17d69434d4aedd00b10fe9f60d

  • SSDEEP

    12288:tPmTkT0+nXTv1d5Jo/H4a6ZeUOHFVS9Qg:Vmo4IXhd81rS

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 10 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\0dbf1b710c3e35fd74c2fe81e4b4ce93f24f4da810a8c75d8189286fa3742548_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\0dbf1b710c3e35fd74c2fe81e4b4ce93f24f4da810a8c75d8189286fa3742548_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\AppData\Local\Temp\0dbf1b710c3e35fd74c2fe81e4b4ce93f24f4da810a8c75d8189286fa3742548_NeikiAnalytics.exe
      "C:\Users\Admin\AppData\Local\Temp\0dbf1b710c3e35fd74c2fe81e4b4ce93f24f4da810a8c75d8189286fa3742548_NeikiAnalytics.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2112
      • 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:2408
        • 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:2412
          • C:\Windows\SysWOW64\ipconfig.exe
            "C:\Windows\system32\ipconfig.exe"
            5⤵
            • Gathers network information
            • Suspicious use of WriteProcessMemory
            PID:1812
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\GJVVWRPW.bat" "
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2584
              • 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:696
        • 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:1720
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /u /s "C:\Users\Admin\AppData\Roaming\IE\bho.dll"
            5⤵
            • Loads dropped DLL
            PID:2004
          • 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:1668

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Browser Extensions

1
T1176

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

4
T1112

Discovery

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\GJVVWRPW.bat
    Filesize

    153B

    MD5

    02cbdd547ced25f8f7dc814d9169d567

    SHA1

    fc9697d828dcda615f6edd3e49a55b9307dbd311

    SHA256

    ec250cdf89523b18688d45fdc11bc93e46547a574ef59e03426c098f6b887c07

    SHA512

    cec1b6c5d843408e3cb6345a3430d8469a07c09677e1bd4c522c41ee29dbd941236a8dd9963410c69a165f3913c30aa22cfd206e51a59b9ffd160c38e70cfe3f

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

    87KB

    MD5

    49a92a33d1775b45b3bd45f8bec24585

    SHA1

    ea404af50bbdad5cbc9f95f4068bdc30c9fceff6

    SHA256

    976540cf1b4d04d80be1f1af8ea0f050c3f03a0a8c4e339589b7bb9180fc07f5

    SHA512

    7d5c4ea5c6f950a41bff386289df88b3f6d78444d7eeaa8a426569ce7698c2dfa916ae02d321af2be839c20e53b2ba9b3bb6a1573cad3b578733b082f0dc292f

  • \Users\Admin\AppData\Roaming\AppsData\Explorrer.exe
    Filesize

    504KB

    MD5

    5569326c79e118112c82a58db41ef501

    SHA1

    f9258535f6af383df7de2391f549bafcea9e1bda

    SHA256

    6098f6b5554af242dccdd6aebc597e2bff7e3d56d28f39dcbaf33f29c531ec03

    SHA512

    fe3ceb8c4f68bd2efa8778508508b26f7550ef7dc440d2a304557a337cd8b8e19958f5fe41c618ad1b12e7fe544f5e5fab00417c30606983683d3fb76d166458

  • memory/1720-69-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-63-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-215-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-84-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-57-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-80-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-59-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-81-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-61-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-79-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-65-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-67-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-73-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-85-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-76-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-78-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-82-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-86-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1720-87-0x0000000000400000-0x0000000000471000-memory.dmp
    Filesize

    452KB

  • memory/1812-92-0x00000000000C0000-0x00000000000C1000-memory.dmp
    Filesize

    4KB

  • memory/1928-6-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/1928-0-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/1928-3-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/1928-5-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/1928-23-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/1928-19-0x00000000003A0000-0x00000000003A1000-memory.dmp
    Filesize

    4KB

  • memory/1928-18-0x0000000000310000-0x0000000000311000-memory.dmp
    Filesize

    4KB

  • memory/1928-4-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/2112-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2112-39-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2112-26-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2112-11-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2112-9-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2112-17-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2112-7-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2408-36-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/2408-74-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/2408-40-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/2408-77-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/2408-42-0x0000000000400000-0x000000000049C000-memory.dmp
    Filesize

    624KB

  • memory/2412-99-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB