Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 16:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f17fabac72ff67e5786f5fbe29282d2f_JaffaCakes118.dll
Resource
win7-20240221-en
3 signatures
150 seconds
General
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Target
f17fabac72ff67e5786f5fbe29282d2f_JaffaCakes118.dll
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Size
356KB
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MD5
f17fabac72ff67e5786f5fbe29282d2f
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SHA1
c6d8e827144ec06ba1d09cdabcde3d2868b99a54
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SHA256
83ac47f89e035efdf734f6e54e4bf8bb97e1ddebf4ab8f718c40da76070d426e
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SHA512
4a549ae24421a168ef60dfab9b11c6eafeefe965a630e3f9e8afe2dff0357cb57a41c04d51ce32944079fa7666c92219f65bfad5db0ae68622ef20a0b741afa4
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SSDEEP
3072:Kn1tTes0Boa3wXR4Gm9xSudqLhN2LKzj0NMiZUiHIVRUyDxW2O2UdMPTalrt6DRI:g1tJ0pAXR4xSzQ6TOVIVRFsHOR
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\{8663655C-F6D4-4520-859E-67008902A889} regsvr32.exe -
Modifies registry class 50 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\ = "atnb TL" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\VersionIndependentProgID\ = "QXK.Olive" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\HELPDIR\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\ = "QXK Olive" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\ProgID\ = "QXK.Olive" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ = "Iatnb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f17fabac72ff67e5786f5fbe29282d2f_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ = "_IatnbEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ = "Iatnb" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f17fabac72ff67e5786f5fbe29282d2f_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A59C4135-DF7A-4666-8129-478376867B3C}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\ = "_IatnbEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8663655C-F6D4-4520-859E-67008902A889} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib\ = "{A59C4135-DF7A-4666-8129-478376867B3C}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9C7E91A9-0001-4C4E-BCC2-A56BC8329049}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{101900F3-7AEB-4E3B-B4CC-DCB483B3B92F} regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2676 wrote to memory of 2832 2676 regsvr32.exe 28 PID 2676 wrote to memory of 2832 2676 regsvr32.exe 28 PID 2676 wrote to memory of 2832 2676 regsvr32.exe 28 PID 2676 wrote to memory of 2832 2676 regsvr32.exe 28 PID 2676 wrote to memory of 2832 2676 regsvr32.exe 28 PID 2676 wrote to memory of 2832 2676 regsvr32.exe 28 PID 2676 wrote to memory of 2832 2676 regsvr32.exe 28
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f17fabac72ff67e5786f5fbe29282d2f_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2676 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\f17fabac72ff67e5786f5fbe29282d2f_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2832
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