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Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
19/08/2024, 19:28
Static task
static1
Behavioral task
behavioral1
Sample
ac462cacc78e5d251f0a2ec7a430a353_JaffaCakes118.dll
Resource
win7-20240705-en
General
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Target
ac462cacc78e5d251f0a2ec7a430a353_JaffaCakes118.dll
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Size
398KB
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MD5
ac462cacc78e5d251f0a2ec7a430a353
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SHA1
d2e31aa1e5df11fdd9cf0829968dc9c20934cf26
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SHA256
0002218907b83cc286625140102859198930075dee0ad1b2729b094d83ada84e
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SHA512
d52204e1430bc34acb0000f74a464b1b97d9c563133ea0bf9ee0ec97086daf7e2030af6ae9f64e982d7596b6d81fa430ca4b2dc4ab19ec96f72fe58973c6aa19
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SSDEEP
6144:yk/rfm1OGjskHizxIl2niIEblDS0xgS5KY+hf0/Skkc3gN4NIKqbzB2sHz:ykjOD2niIErKY+f0/Skkc3gNwzyLT
Malware Config
Signatures
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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\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\ = "BHO" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\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 50 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\VersionIndependentProgID\ = "BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL\AppID = "{65C994A2-C65A-4A20-BA92-AADAFC0DCE49}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\ = "IBrowserPlugin" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{65C994A2-C65A-4A20-BA92-AADAFC0DCE49} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin\CLSID\ = "{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin\CurVer\ = "BHO.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin\ = "BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\TypeLib\ = "{F41AA71C-973A-4034-F98A-809CBD3D088D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\ = "BrowserPlugin" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{65C994A2-C65A-4A20-BA92-AADAFC0DCE49}\ = "BHO" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin.1\CLSID\ = "{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\ProgID\ = "BHO.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\TypeLib\ = "{F41AA71C-973A-4034-F98A-809CBD3D088D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin.1\ = "BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ac462cacc78e5d251f0a2ec7a430a353_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\TypeLib\ = "{F41AA71C-973A-4034-F98A-809CBD3D088D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E7AD93B-3E87-423D-947F-A321FA7E31C4}\ = "IBrowserPlugin" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0\ = "BHOLib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BHO.BrowserPlugin\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2385A788-B9BF-5BD4-E937-A5B9870A1B1C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ac462cacc78e5d251f0a2ec7a430a353_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F41AA71C-973A-4034-F98A-809CBD3D088D}\1.0\FLAGS regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1672 wrote to memory of 1740 1672 regsvr32.exe 30 PID 1672 wrote to memory of 1740 1672 regsvr32.exe 30 PID 1672 wrote to memory of 1740 1672 regsvr32.exe 30 PID 1672 wrote to memory of 1740 1672 regsvr32.exe 30 PID 1672 wrote to memory of 1740 1672 regsvr32.exe 30 PID 1672 wrote to memory of 1740 1672 regsvr32.exe 30 PID 1672 wrote to memory of 1740 1672 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ac462cacc78e5d251f0a2ec7a430a353_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ac462cacc78e5d251f0a2ec7a430a353_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1740
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