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Analysis
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max time kernel
14s -
max time network
19s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28/09/2024, 18:16
Static task
static1
Behavioral task
behavioral1
Sample
fcdff01ba213b6b38922f09703506743_JaffaCakes118.dll
Resource
win7-20240903-en
General
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Target
fcdff01ba213b6b38922f09703506743_JaffaCakes118.dll
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Size
296KB
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MD5
fcdff01ba213b6b38922f09703506743
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SHA1
7c81988827e01d2beb519a9759726ada13bf2bc2
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SHA256
088cd09029d3293af0c3259b5c07b81b08ba129005843af664be7193a19deedb
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SHA512
d6137645c8871eb91f8227c03ac4a982fc6081b1c449606c2259c65e899f1519d6ce71cf614f1ecb1a4a2bc40c6b978daf8ca3ce332c65b1c85f997b5b392c60
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SSDEEP
6144:0S27nf1eCmDY6QgTSZxSFVaWEcUBuFEdSJ:t27nf14D1TTSZxiaZcUM
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 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\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572} 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 56 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer\ = "SXG.Advisor" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\VersionIndependentProgID\ = "SXG.Advisor" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcdff01ba213b6b38922f09703506743_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\ = "_IavxpEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\TypeLib\ = "{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\TypeLib\ = "{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\ = "Iavxp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\TypeLib\ = "{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\ = "_IavxpEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\ = "SXG Advisor" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0\ = "avxp TL" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\TypeLib\ = "{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\TypeLib\ = "{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\ = "Iavxp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\ = "SXG" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcdff01ba213b6b38922f09703506743_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\MSVPS.MSVPSApp\CLSID\ = "{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\ProgID\ = "SXG.Advisor" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9FFA9CB-C9C9-42D5-8F4D-CFA33D45D572}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C29DECDF-7777-4CF2-8AAA-7387BFAD5B7E}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{88E1484E-537F-43B1-81A7-80DB91D8A9DE}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AA4B7BA9-F534-4525-AD3B-903D29236120}\TypeLib\Version = "1.0" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 664 wrote to memory of 2824 664 regsvr32.exe 29 PID 664 wrote to memory of 2824 664 regsvr32.exe 29 PID 664 wrote to memory of 2824 664 regsvr32.exe 29 PID 664 wrote to memory of 2824 664 regsvr32.exe 29 PID 664 wrote to memory of 2824 664 regsvr32.exe 29 PID 664 wrote to memory of 2824 664 regsvr32.exe 29 PID 664 wrote to memory of 2824 664 regsvr32.exe 29
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\fcdff01ba213b6b38922f09703506743_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:664 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\fcdff01ba213b6b38922f09703506743_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2824
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