Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 16:29
Behavioral task
behavioral1
Sample
f17d949a0b75a2ddec20e0e5bab78511_JaffaCakes118.dll
Resource
win7-20240221-en
4 signatures
150 seconds
General
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Target
f17d949a0b75a2ddec20e0e5bab78511_JaffaCakes118.dll
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Size
33KB
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MD5
f17d949a0b75a2ddec20e0e5bab78511
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SHA1
a3cfb822cd8ee49cb5c4cfd135ccdd8ca239c983
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SHA256
541b6bfc5207481ab9a7dd95ec6f0580f1adba8b1d352eae9577c3b732864087
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SHA512
e88160dbda63f3902d3c1a297aede0bd02c4391db4b5661c2ea05fc9038b33db18a16416827201540c372f94d7b411f8064bad536767ecac49596b8058002bf7
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SSDEEP
768:p9x5kW3LqVOnus47mcPiT42vDHEdDXW735m:V5k8a9mcPic2LkhW75
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1928-0-0x0000000010000000-0x0000000010017000-memory.dmp upx -
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\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374} regsvr32.exe -
Modifies registry class 60 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP.1\CLSID\ = "{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f17d949a0b75a2ddec20e0e5bab78511_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\TypeLib\ = "{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\ProgID\ = "ATLASS.ATDP.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f17d949a0b75a2ddec20e0e5bab78511_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\TypeLib\ = "{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\ = "IDOMPeek" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\ = "IDocEventHandler" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP\CurVer\ = "ATLASS.ATDP.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP\CLSID\ = "{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0\ = "ATLASS 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP.1\ = "ATDP Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\ = "IDocEventHandler" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\ = "ATDP Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\TypeLib\ = "{2CAADFB2-2CDC-46f9-BA22-2DD8160DD763}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\ = "IDOMPeek" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP\ = "ATDP Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D}\TypeLib\ = "{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\VersionIndependentProgID\ = "ATLASS.ATDP" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\TypeLib\ = "{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ATLASS.ATDP\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1E68D42-02C4-465B-8368-5ED9B732E22D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E3D3AFEE-2172-4ef5-8509-1638AFFF0374}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2CAADFB2-2CDC-46F9-BA22-2DD8160DD763}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0B6EF17E-18E5-4449-86EA-64C82D596EAE}\TypeLib\Version = "1.0" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2232 wrote to memory of 1928 2232 regsvr32.exe 28 PID 2232 wrote to memory of 1928 2232 regsvr32.exe 28 PID 2232 wrote to memory of 1928 2232 regsvr32.exe 28 PID 2232 wrote to memory of 1928 2232 regsvr32.exe 28 PID 2232 wrote to memory of 1928 2232 regsvr32.exe 28 PID 2232 wrote to memory of 1928 2232 regsvr32.exe 28 PID 2232 wrote to memory of 1928 2232 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f17d949a0b75a2ddec20e0e5bab78511_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\f17d949a0b75a2ddec20e0e5bab78511_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1928
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