Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/06/2024, 12:11

General

  • Target
    05df8d890eb18614a7d206b41453d306_JaffaCakes118.exe
  • Size 1.5MB
  • Sample240620-pczehs1bpr
  • SHA256 59c995dd4d2e86e4fb4f34f353fd0b8a23f44a2774599a1e864514d0f74e6ae7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 20 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 5 IoCs

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

  • Drops file in System32 directory 11 IoCs
  • Drops file in Program Files directory 40 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 24 IoCs
  • Modifies data under HKEY_USERS 16 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05df8d890eb18614a7d206b41453d306_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05df8d890eb18614a7d206b41453d306_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:620
    • C:\Program Files (x86)\netimo\Common Shared\URLHelper\urld.exe
      "C:\Program Files (x86)\netimo\Common Shared\URLHelper\urld.exe" http://search.netimo.net/gmtoolbar/log/m_install_counter.php?pcode=bluepds&isinstall=1
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1608
    • C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.exe
      "C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.exe" -i
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:1568
    • C:\Windows\SysWOW64\sc.exe
      "sc" start efinderservice
      2⤵
      • Launches sc.exe
      PID:4208
  • C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.exe
    "C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.exe"
    1⤵
    • Executes dropped EXE
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Program Files (x86)\netimo\Common Shared\URLHelper\UrlUpdate.exe
      "C:\Program Files (x86)\netimo\Common Shared\URLHelper\UrlUpdate.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Program Files (x86)\netimo\Common Shared\URLHelper\urlupdate1.exe
        "C:\Program Files (x86)\netimo\Common Shared\URLHelper\urlupdate1.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Program Files (x86)\netimo\Common Shared\URLHelper\ntmurl.exe
          "C:\Program Files (x86)\netimo\Common Shared\URLHelper\ntmurl.exe" install scope addressbar
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          • Drops file in System32 directory
          • Drops file in Program Files directory
          • Modifies Internet Explorer settings
          • Modifies data under HKEY_USERS
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:5064
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /s "C:\Program Files (x86)\netimo\Common Shared\URLHelper\ntmurl.dll"
            5⤵
            • Loads dropped DLL
            • Modifies registry class
            PID:5000
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /s "C:\Program Files (x86)\netimo\Common Shared\URLHelper\efsbar.dll"
            5⤵
            • Loads dropped DLL
            • Modifies registry class
            PID:4568
          • C:\Windows\SysWOW64\REG.exe
            REG IMPORT "C:\Program Files (x86)\netimo\Common Shared\URLHelper\sbinstall.reg"
            5⤵
            • Installs/modifies Browser Helper Object
            • Modifies Internet Explorer settings
            PID:4476
          • C:\Windows\SysWOW64\REG.exe
            REG IMPORT "C:\Program Files (x86)\netimo\Common Shared\URLHelper\sbinstall.reg"
            5⤵
            • Modifies Internet Explorer settings
            PID:3220
          • C:\Windows\SysWOW64\REG.exe
            REG IMPORT "C:\Program Files (x86)\netimo\Common Shared\URLHelper\bbuninstall.reg"
            5⤵
              PID:2616
            • C:\Windows\SysWOW64\REG.exe
              REG IMPORT "C:\Program Files (x86)\netimo\Common Shared\URLHelper\appext.reg"
              5⤵
              • Modifies Internet Explorer settings
              PID:2540
            • C:\Program Files (x86)\netimo\Common Shared\URLHelper\iewindow.exe
              "C:\Program Files (x86)\netimo\Common Shared\URLHelper\iewindow.exe"
              5⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in Program Files directory
              • Suspicious use of SetWindowsHookEx
              PID:836

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          UrlUpdate.exe

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\UrlUpdate.exe
          • Size 152KB
          • SHA256 94a6a81ad5c12aec33d7274e43ed8197cd476bb9680724995631fd971e8a3d86
          • MD5 SHA1 SHA512 SSDEEP

          appext.reg

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\appext.reg
          • Size 1KB
          • SHA256 c23dc16f219dc1c20150075a49484c443913e64b3b0f1dddf93a48e66af8d406
          • MD5 SHA1 SHA512

          autoup.ini

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\autoup.ini
          • Size 754B
          • SHA256 4562121b2b2b75b2159333f32b1f82788caa4b2faae7db2aeb7211b3edba0360
          • MD5 SHA1 SHA512

          autoup.ini

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\autoup.ini
          • Size 754B
          • SHA256 f4c44095ae4ed1f35751a25e751f22c19f5831ad5e34468328b3fa0f2a133d4f
          • MD5 SHA1 SHA512

          bbuninstall.reg

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\bbuninstall.reg
          • Size 442B
          • SHA256 3f0c9bf08a9cdcdb96c2401271dc2bf0316adc6d4b01dde12c0d9da32594690d
          • MD5 SHA1 SHA512

          bhocfg.ini

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\bhocfg.ini
          • Size 10KB
          • SHA256 d865151fc6bd08ae20c1252b197b658fc293a5183ec1f294a05d305c714070f5
          • MD5 SHA1 SHA512 SSDEEP

          bhocode.ini

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\bhocode.ini
          • Size 26B
          • SHA256 7198951fb2445568ecd0d83214a5e7337ff6710b785aeaebf641f24ed409ebd7
          • MD5 SHA1 SHA512

          efsbar.dll

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\efsbar.dll
          • Size 150KB
          • SHA256 61dc360cc369d3718dba0f9abef8abdef86631f6926758935f29d0b12e6cf8cc
          • MD5 SHA1 SHA512 SSDEEP

          iewindow.exe

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\iewindow.exe
          • Size 406KB
          • SHA256 b697f80f2fd2a0f12e8fa9bcf02cedf1306f618d1328ace2e7954038eab6716a
          • MD5 SHA1 SHA512 SSDEEP

          nautoup.log

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\nautoup.log
          • Size 447B
          • SHA256 7a0b3fc57342e54b7eae094df6767965cb6b4b612412037f598cbc27160a937a
          • MD5 SHA1 SHA512

          nnlogon.exe

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.exe
          • Size 68KB
          • SHA256 8a730e05ec59ca9c2bea7b950b7178c5174da28d0843ba1f3f10b47e352b219d
          • MD5 SHA1 SHA512 SSDEEP

          nnlogon.ini

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.ini
          • Size 362B
          • SHA256 b5f551b88b1c76f9b54ccec5f3c19e4f91ea1705320dccbcb1f75d5a9c5cc9b9
          • MD5 SHA1 SHA512

          nnlogon.log

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.log
          • Size 743B
          • SHA256 6d7efca06ef634173144ed3863b224a3820f72ff7441cbd78be461a74dbe8241
          • MD5 SHA1 SHA512

          nnlogon.log

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.log
          • Size 990B
          • SHA256 9a7cf84aa19d79e96dc3905299ae939665f8c01b1af4ee6e97adc89f62dfcdf0
          • MD5 SHA1 SHA512

          nnlogon.log

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\nnlogon.log
          • Size 442B
          • SHA256 ebe35f5dc7b912096b4bd7b8c49f32f6d73a85e60e972efc2607b716cd62524d
          • MD5 SHA1 SHA512

          ntmurl.dll

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\ntmurl.dll
          • Size 174KB
          • SHA256 1003a84d5e1e35e0873ed0b6ed184e7348480184beeb714ee0e65107edfdbb3e
          • MD5 SHA1 SHA512 SSDEEP

          ntmurl.exe

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\ntmurl.exe
          • Size 226KB
          • SHA256 9f0e364297feda755f3b134b0db882369c3b6ca1985691c49f4b3bba02c7f316
          • MD5 SHA1 SHA512 SSDEEP

          sbinstall.reg

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\sbinstall.reg
          • Size 830B
          • SHA256 a89c9dcc2775d7b98f177fd55c553e5b00d1800a59322e1e1e854a79620868ae
          • MD5 SHA1 SHA512

          sbinstall.reg

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\sbinstall.reg
          • Size 324B
          • SHA256 2e58e8a351d814537317d27c339272ec69e611daa63c7df80a3dc8666096fc98
          • MD5 SHA1 SHA512

          sslaunch.DLL

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\sslaunch.DLL
          • Size 60KB
          • SHA256 572b99582027ac31ea036ddb8066bb4118e7c44ab98125a35f863cc710a4ebcf
          • MD5 SHA1 SHA512 SSDEEP

          sslaunch.log

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\sslaunch.log
          • Size 632B
          • SHA256 d27e3278ece7e3a24bee16026d1f560564f9dc0af48082eb964751f7ad82926b
          • MD5 SHA1 SHA512

          tags.mdb

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\tags.mdb
          • Size 232KB
          • SHA256 f4c376b51fbad67a6f6737c450bfd922aa753dd17bdd6611c8e9782cab56a8cd
          • MD5 SHA1 SHA512 SSDEEP

          tagstemp.mdb

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\tagstemp.mdb
          • Size 184KB
          • SHA256 504890d04367979ba23222b15892df6b75f140fde436219bb4d49ac5e949597a
          • MD5 SHA1 SHA512 SSDEEP

          urld.exe

          • Path C:\Program Files (x86)\netimo\Common Shared\URLHelper\urld.exe
          • Size 24KB
          • SHA256 e56aa545162c1da6c7ff2b9ae7df78eb7adfa99c9648a6a6c013ff28e5246f82
          • MD5 SHA1 SHA512 SSDEEP

          TypeLib.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsy35B7.tmp\TypeLib.dll
          • Size 3KB
          • SHA256 75c206fba2ec5d344ca514e6451d8892f939f15e8afc1c132bbc9eca886ed1de
          • MD5 SHA1 SHA512

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsy35B7.tmp\nsExec.dll
          • Size 6KB
          • SHA256 168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
          • MD5 SHA1 SHA512 SSDEEP

          DWSHK80.OCX

          • Path C:\Windows\SysWOW64\DWSHK80.OCX
          • Size 200KB
          • SHA256 8413fe7000baca9e7a2fdef33922d17d97ef9d16799444b945b3c73fee953c6b
          • MD5 SHA1 SHA512 SSDEEP

          dwsbc80.OCX

          • Path C:\Windows\SysWOW64\dwsbc80.OCX
          • Size 167KB
          • SHA256 242934d4d92948817dd00eec4e8592f7044f5bfc7b2ad2603c826c5cea7b09e5
          • MD5 SHA1 SHA512 SSDEEP

          dwshengine80.dll

          • Path C:\Windows\SysWOW64\dwshengine80.dll
          • Size 137KB
          • SHA256 a8ab488c1ffeed943a68ce7f72fa2eb1b9b21b62c01fbd405a93906a4b357621
          • MD5 SHA1 SHA512 SSDEEP

          vb6ko.dll

          • Path C:\Windows\SysWOW64\vb6ko.dll
          • Size 99KB
          • SHA256 52b64e2bfc9ee0b807f2095726ace9e911bcd907054ac15686a4e7d2fd4dc751
          • MD5 SHA1 SHA512 SSDEEP

          nautoup.log

          • Path C:\nautoup.log
          • Size 218B
          • SHA256 136f64e34ef2486b7644e1450193327d70b8dfa2e8dfd126405697bb937cb24d
          • MD5 SHA1 SHA512