Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2024 06:43
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll
Resource
win7-20240221-en
1 signatures
150 seconds
General
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Target
09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll
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Size
79KB
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MD5
09429f71c6ac276c3eb587a73e8a9fbb
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SHA1
aa10432bd47d91b288149b0fbde36283bd3fd0db
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SHA256
63a15ff11a2bc14002dab68e38609f7fa8459211418f1edc876a310031ba4840
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SHA512
a873a715e59d103cbdeb8d714208b5afb123817f2ef75a99a61f35a2f7a787736d0fd559d0ec04979024baba003b0521d0abc60e8512a6e652f08d7c2c5bcdf4
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SSDEEP
1536:TugxJtgrTA70BrJB6/Has6up4RwxnSUnm2xFr5:a0DQB57huEwxnSqmWFt
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 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\{DF5EF25D-0957-5709-B63D-18D18AA79934} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ = "Windows Media" regsvr32.exe -
Modifies registry class 50 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib\ = "{5473378F-410E-401B-AAB3-A196DF144470}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\Version\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CurVer\ = "windowsmedia.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ = "IIECatch" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09429F~1.DLL" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\ = "windowsmedia 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ProgID\ = "windowsmedia.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ = "windowsmedia Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\TypeLib\ = "{5473378F-410E-401b-AAB3-A196DF144470}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\ = "windowsmedia Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\VersionIndependentProgID\ = "windowsmedia" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\ = "IIECatch" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CLSID\ = "{DF5EF25D-0957-5709-B63D-18D18AA79934}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\CLSID\ = "{DF5EF25D-0957-5709-B63D-18D18AA79934}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib\ = "{5473378F-410E-401B-AAB3-A196DF144470}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\ = "Microsoft(R) Windows Media Player" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DF5EF25D-0957-5709-B63D-18D18AA79934}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5473378F-410E-401B-AAB3-A196DF144470}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9D5CDD2-53FF-4DD7-9991-E2C568609F0F}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\windowsmedia.1\ = "windowsmedia Class" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2940 regsvr32.exe 2940 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2684 wrote to memory of 2940 2684 regsvr32.exe 83 PID 2684 wrote to memory of 2940 2684 regsvr32.exe 83 PID 2684 wrote to memory of 2940 2684 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\09429f71c6ac276c3eb587a73e8a9fbb_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2940
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