Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
20-06-2024 07:42
Static task
static1
Behavioral task
behavioral1
Sample
041ccc8817669a1a430717f4bb962aa1_JaffaCakes118.dll
Resource
win7-20240419-en
3 signatures
150 seconds
General
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Target
041ccc8817669a1a430717f4bb962aa1_JaffaCakes118.dll
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Size
102KB
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MD5
041ccc8817669a1a430717f4bb962aa1
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SHA1
2e842d26c235d35fb7cecb8238333239bf3a84be
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SHA256
ff1abf21456bed9521b156a20239a2cde1ad1013d7875f53ff456e84fad1427b
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SHA512
f306a7efd3fb8f1ed1edf67e5461117e9d02c81d09606ed9179b9012ac11478cbef7215f5543a3f79e3bcc17391ed1614202ddaacacede246e487589769c8785
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SSDEEP
1536:MDuwxOKhvy91+6+s1u6QxT5or+POYSZJKohTTdcL6fnF:MDuwxRC+Yu6FSP3SZJKo9dK+nF
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.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1ABB4EF8-B88A-4264-B0A1-829DC08EB402} regsvr32.exe -
Modifies registry class 60 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\TypeLib\ = "{D851B4DF-5C60-4B67-B893-3A74232932FB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\ = "IViewSource" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource.1\CLSID\ = "{26DD659B-5BE7-487d-B48C-BB451BBE420C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\VersionIndependentProgID\ = "jjang_Proc.ViewSource" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\TypeLib\ = "{D851B4DF-5C60-4B67-B893-3A74232932FB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\ = "_IViewSourceEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E098077-1A08-4219-9836-1A40B9547C84} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\ = "_IViewSourceEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0\ = "jjang_Proc 1.0 Type Library" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\ = "IViewSource" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource\CLSID\ = "{26DD659B-5BE7-487d-B48C-BB451BBE420C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\TypeLib\ = "{D851B4DF-5C60-4b67-B893-3A74232932FB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource\ = "jjang_Proc Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource.1\ = "jjang_Proc Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\TypeLib\ = "{D851B4DF-5C60-4B67-B893-3A74232932FB}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\ProgID\ = "jjang_Proc.ViewSource.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\TypeLib\ = "{D851B4DF-5C60-4B67-B893-3A74232932FB}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E098077-1A08-4219-9836-1A40B9547C84} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{ED459EE1-7CD5-4095-983C-3D0A344A635A}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource\CurVer\ = "jjang_Proc.ViewSource.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D851B4DF-5C60-4B67-B893-3A74232932FB}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\041ccc8817669a1a430717f4bb962aa1_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6E098077-1A08-4219-9836-1A40B9547C84}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\jjang_Proc.ViewSource.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\ = "jjang_Proc Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26DD659B-5BE7-487d-B48C-BB451BBE420C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\041ccc8817669a1a430717f4bb962aa1_JaffaCakes118.dll" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1516 wrote to memory of 752 1516 regsvr32.exe regsvr32.exe PID 1516 wrote to memory of 752 1516 regsvr32.exe regsvr32.exe PID 1516 wrote to memory of 752 1516 regsvr32.exe regsvr32.exe PID 1516 wrote to memory of 752 1516 regsvr32.exe regsvr32.exe PID 1516 wrote to memory of 752 1516 regsvr32.exe regsvr32.exe PID 1516 wrote to memory of 752 1516 regsvr32.exe regsvr32.exe PID 1516 wrote to memory of 752 1516 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\041ccc8817669a1a430717f4bb962aa1_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1516 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\041ccc8817669a1a430717f4bb962aa1_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:752