Overview
overview
7Static
static
3JaffaCakes...8d.exe
windows10-2004-x64
7JaffaCakes...8d.exe
windows11-21h2-x64
7$PLUGINSDI...is.dll
windows10-2004-x64
3$PLUGINSDI...is.dll
windows11-21h2-x64
3ffRichMedi...ion.js
windows10-2004-x64
3ffRichMedi...ion.js
windows11-21h2-x64
3ff/chrome/...984.js
windows10-2004-x64
3ff/chrome/...984.js
windows11-21h2-x64
3ff/chrome/...ion.js
windows10-2004-x64
3ff/chrome/...ion.js
windows11-21h2-x64
3ie/RichMed...84.dll
windows10-2004-x64
6ie/RichMed...84.dll
windows11-21h2-x64
6uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-21h2-x64
7$PLUGINSDI...is.dll
windows10-2004-x64
3$PLUGINSDI...is.dll
windows11-21h2-x64
3Analysis
-
max time kernel
101s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20250610-en -
resource tags
arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system -
submitted
04/07/2025, 17:32
Behavioral task
behavioral1
Sample
JaffaCakes118_1c7039ad3300c33937a4dbace449d68d.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1c7039ad3300c33937a4dbace449d68d.exe
Resource
win11-20250610-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20250610-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win11-20250619-en
Behavioral task
behavioral5
Sample
ffRichMediaViewV1release2984chaction.js
Resource
win10v2004-20250502-en
Behavioral task
behavioral6
Sample
ffRichMediaViewV1release2984chaction.js
Resource
win11-20250610-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffRichMediaViewV1release2984.js
Resource
win10v2004-20250619-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffRichMediaViewV1release2984.js
Resource
win11-20250619-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffRichMediaViewV1release2984ffaction.js
Resource
win10v2004-20250610-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffRichMediaViewV1release2984ffaction.js
Resource
win11-20250610-en
Behavioral task
behavioral11
Sample
ie/RichMediaViewV1release2984.dll
Resource
win10v2004-20250610-en
Behavioral task
behavioral12
Sample
ie/RichMediaViewV1release2984.dll
Resource
win11-20250619-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win11-20250619-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20250619-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win11-20250619-en
General
-
Target
ie/RichMediaViewV1release2984.dll
-
Size
85KB
-
MD5
ea0eb71b283758d746896255bb91a35a
-
SHA1
3ea49116a5fc20de6ebd480e55b709f366a9ba50
-
SHA256
6a951bc2332458d71b5a47284de8bf8407758025932f61dcb9f168ef4080a49e
-
SHA512
2866908d432132082a1a337649a930eb5a9fea1cd9e289eb22521d0fd080db6e98565f4225b18684193897cccf5b35bfbd5106a30b584f89b3a16214c252520b
-
SSDEEP
1536:rhMWCsgyMIwP/t6hp1ZcTkrC8cCTfLlQ0xdaS:SWKyMIwP16hp1Lcga0xdH
Malware Config
Signatures
-
Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{405ba82f-4c9c-4c0e-b262-284304b85735} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{405ba82f-4c9c-4c0e-b262-284304b85735}\ = "RichMediaViewV1release2984" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{405ba82f-4c9c-4c0e-b262-284304b85735}\NoExplorer = "1" regsvr32.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies registry class 34 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\ = "IRichMediaViewV1release2984BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\TypeLib\Version = "1.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\TypeLib\ = "{83332AB3-CEB0-493E-9686-476AE8E95EB2}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\ = "IRichMediaViewV1release2984BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\TypeLib\ = "{83332ab3-ceb0-493e-9686-476ae8e95eb2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1\ = "RichMediaViewV1release2984Lib" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release2984.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\TypeLib\Version = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B96B50C3-CB22-46EC-9144-2B31608332A0}\TypeLib\ = "{83332AB3-CEB0-493E-9686-476AE8E95EB2}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\ = "RichMediaViewV1release2984" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ie\\RichMediaViewV1release2984.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{405ba82f-4c9c-4c0e-b262-284304b85735}\Version\ = "1.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{83332AB3-CEB0-493E-9686-476AE8E95EB2}\1.1 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5236 wrote to memory of 4948 5236 regsvr32.exe 86 PID 5236 wrote to memory of 4948 5236 regsvr32.exe 86 PID 5236 wrote to memory of 4948 5236 regsvr32.exe 86
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release2984.dll1⤵
- Suspicious use of WriteProcessMemory
PID:5236 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ie\RichMediaViewV1release2984.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4948
-