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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/09/2024, 23:01
Static task
static1
Behavioral task
behavioral1
Sample
d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll
Resource
win7-20240704-en
General
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Target
d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll
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Size
15KB
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MD5
d09ba8ce003d53d734ee42c470b4958a
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SHA1
69b25869843be992d8c33f9b8e5e2a56b3a74729
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SHA256
d1eac348b38bd635604dcb7d73ba3dfa725dd4f430b9e343f66b10d30a256042
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SHA512
d5368f9dfa3a7a626eb0e529f066fd52780956d769d6e8db3100e7f0b11b06997a9e4bc947b5703e8b5834ed3115a82885707389e1f38a8509542b166c4294ef
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SSDEEP
192:A5MU1pUhw9SexAfzfnNF0xkvhJrVfaLtKVje3BWILJjusM1YUKl62sCrdEdGzo:4MEgPNzJpotKVOkIL9FMmBU2sCr20
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 2 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\{12c7290a-157b-4f43-b109-97e792c598ed} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{12c7290a-157b-4f43-b109-97e792c598ed}\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 22 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\CurVer\ = "WinGDIApp.WinGDI.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI.1\ = "WinGDI Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI.1\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\ = "WinGDI Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\ProgID\ = "WinGDIApp.WinGDI.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\TypeLib\ = "{8a10fc9b-8d76-4e95-a9be-acda2f665c30}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI.1\CLSID\ = "{12c7290a-157b-4f43-b109-97e792c598ed}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WinGDIApp.WinGDI\CLSID\ = "{12c7290a-157b-4f43-b109-97e792c598ed}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\ = "WinGDI Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\VersionIndependentProgID\ = "WinGDIApp.WinGDI" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{12c7290a-157b-4f43-b109-97e792c598ed}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1956 wrote to memory of 4232 1956 regsvr32.exe 83 PID 1956 wrote to memory of 4232 1956 regsvr32.exe 83 PID 1956 wrote to memory of 4232 1956 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\d09ba8ce003d53d734ee42c470b4958a_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4232
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