Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 10:04

General

  • Target
    4c77a4e6b8d3319b4aee2c8d148581c0_NeikiAnalytics.exe
  • Size 232KB
  • Sample240607-l4acxsef2x
  • SHA256 669377ee5b9052845d46e9d71a5995cbe316d0c2772bdac135faa6a8bd3d2559
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • UPX packed file 4 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 47 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs
  • Views/modifies file attributes 1 TTPs 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c77a4e6b8d3319b4aee2c8d148581c0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\4c77a4e6b8d3319b4aee2c8d148581c0_NeikiAnalytics.exe"
    1⤵
    • Modifies Installed Components in the registry
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3320
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://www.ymtuku.com/xg/?tan
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1752 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4284
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\All Users\桌面\Internet Explorer.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3752
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\Documents and Settings\All Users\桌面\Internet Explorer.lnk"
        3⤵
        • Views/modifies file attributes
        PID:1644
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\桌面\Internet Explorer.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\Documents and Settings\Admin\桌面\Internet Explorer.lnk"
        3⤵
        • Views/modifies file attributes
        PID:1864
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\启动 Internet Explorer 浏览器.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\启动 Internet Explorer 浏览器.lnk"
        3⤵
        • Views/modifies file attributes
        PID:3856
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\Documents and Settings\Admin\Application Data\Microsoft\Internet Explorer\Quick Launch\Internet Explorer.lnk"
        3⤵
        • Views/modifies file attributes
        PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c attrib +h "C:\Documents and Settings\Admin\「开始」菜单\程序\Internet Explorer.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\Documents and Settings\Admin\「开始」菜单\程序\Internet Explorer.lnk"
        3⤵
        • Views/modifies file attributes
        PID:532
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c attrib +h "C:\WINDOWS\windows.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4432
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\WINDOWS\windows.exe"
        3⤵
        • Drops file in Windows directory
        • Views/modifies file attributes
        PID:1980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c attrib +h "c:\system.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1912
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "c:\system.exe"
        3⤵
        • Views/modifies file attributes
        PID:632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 471B
        • SHA256 7be1369161dae7ccbe4b699b2682bdd28141761e6afed9451ffa8626bf812cd1
        • MD5 SHA1 SHA512

        A4B782275DC1682E4DC39E697A49B151

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A4B782275DC1682E4DC39E697A49B151
        • Size 1KB
        • SHA256 973a41276ffd01e027a2aad49e34c37846d3e976ff6a620b6712e33832041aa6
        • MD5 SHA1 SHA512

        7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
        • Size 404B
        • SHA256 1ff8c63059b63332e17f7b0adb835e7e33f1f8af74b92c8462e41882dacbe738
        • MD5 SHA1 SHA512

        A4B782275DC1682E4DC39E697A49B151

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A4B782275DC1682E4DC39E697A49B151
        • Size 262B
        • SHA256 595fe58ddb73f7e5491f9dc28af9fcfe54a8a53be7b192e365115d77c9400a78
        • MD5 SHA1 SHA512

        favicon[1].htm

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\CMPDKH9Q\favicon[1].htm
        • Size 776B
        • SHA256 c90cdefdb6d7ad5a9a132e0d3b74ecdb5b0d5b442da482129ba67925a2f47e8f
        • MD5 SHA1 SHA512

        js-sdk-pro.min[1].js

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\CMPDKH9Q\js-sdk-pro.min[1].js
        • Size 33KB
        • SHA256 d1f1bfe698f2ffb7b3e7a885a301d58f9554d45df0a31c3e8b53c84b33c80d27
        • MD5 SHA1 SHA512 SSDEEP

        suggestions[1].en-US

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\CMPDKH9Q\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP

        windows.exe

        • Path C:\WINDOWS\windows.exe
        • Size 232KB
        • SHA256 4591bccafd5ac2dcd4df9f017d36708877cf2338cf9fc91845fa8e787aa0d05a
        • MD5 SHA1 SHA512 SSDEEP

        system.exe

        • Path C:\system.exe
        • Size 232KB
        • SHA256 073baa08aeac3bb5d8c32d3cf1d1e16d002bb739fea0e67fa01230ff2d9d2b2e
        • MD5 SHA1 SHA512 SSDEEP

        memory/3320-0-0x0000000000400000-0x000000000043A000-memory.dmp

        memory/3320-174-0x0000000000400000-0x000000000043A000-memory.dmp