Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
28-06-2024 11:38
Static task
static1
Behavioral task
behavioral1
Sample
19f96777f45ec0af8bf1733b44942829_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
19f96777f45ec0af8bf1733b44942829_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$R0.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$R0.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
$R2/NSIS.Library.RegTool.v3.$_12_.exe
Resource
win7-20240220-en
Behavioral task
behavioral8
Sample
$R2/NSIS.Library.RegTool.v3.$_12_.exe
Resource
win10v2004-20240611-en
General
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Target
$R0.dll
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Size
625KB
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MD5
6f1f975788de072cd665f03164be1c63
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SHA1
c78dda52e6999ff3abf6756b3149fd8da95e3f9e
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SHA256
2040f0442c8aef7c4b93b5b4adc75af8fbfd937e9225e13cf875d65906503fc8
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SHA512
edf166a6ca25963f45b2e3ca2139808ae83b9c8c3e421477092001aa39e3c48d319b4d4ac650412cc1d8c4ba722949d237bb23d03726d14d8fec5ffaace98be8
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SSDEEP
12288:iloaqcBXVQhJFHr46AhFgTwjqqvI1agYKzKhXWyVt22BG4SrHE4z8mCl/Lr:WKVZONcPJet2X4SAa8mC5r
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\ = "InternetExplorer" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\NoExplorer = "1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE} regsvr32.exe -
Modifies registry class 46 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer\CurVer\ = "InternetExplorer.IE BHO.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$R0.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\ = "IInternetExplorerBHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer.1\ = "InternetExplorer Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0\ = "InternetExplorer 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer\ = "InternetExplorer Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\TypeLib\ = "{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\ = "IInternetExplorerBHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\VersionIndependentProgID\ = "IE BHO.InternetExplorer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\TypeLib\ = "{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$R0.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\ProgID\ = "IE BHO.InternetExplorer.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\ = "InternetExplorer Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer.1\CLSID\ = "{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer\CLSID\ = "{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{83CED28E-B96A-43FC-A276-2AD7A48EB6BE}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\InternetExplorer.InternetExplorer.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\TypeLib\ = "{EA4460A4-8B0A-41B1-864C-EBDA7EED4267}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B5B030D9-7883-4741-B81E-5BBDA38E5A0A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2900 wrote to memory of 2952 2900 regsvr32.exe 29 PID 2900 wrote to memory of 2952 2900 regsvr32.exe 29 PID 2900 wrote to memory of 2952 2900 regsvr32.exe 29 PID 2900 wrote to memory of 2952 2900 regsvr32.exe 29 PID 2900 wrote to memory of 2952 2900 regsvr32.exe 29 PID 2900 wrote to memory of 2952 2900 regsvr32.exe 29 PID 2900 wrote to memory of 2952 2900 regsvr32.exe 29