Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2024 07:11
Static task
static1
Behavioral task
behavioral1
Sample
3e7c7803d9a3dab9d139cc362976d587_JaffaCakes118.dll
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3e7c7803d9a3dab9d139cc362976d587_JaffaCakes118.dll
Resource
win10v2004-20241007-en
General
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Target
3e7c7803d9a3dab9d139cc362976d587_JaffaCakes118.dll
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Size
248KB
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MD5
3e7c7803d9a3dab9d139cc362976d587
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SHA1
50b922a9e57ad1eb2b3113346e7c4c11132913f0
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SHA256
b05512d09cedc8953bb0edd6418b3ba69f99b0b451af521f2d37a50970bd6ce1
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SHA512
e5af71a723be369b1f3325b31bc06d915ccba233c2d351fa3a6fae3ce724b699b366e88c3075169f50096e806d0b5041b2f650df4c3b3d29e7ce39a071f91101
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SSDEEP
6144:XdHeBmklqg//gKXK4R6grul7P4FNmLlqTuRdzh:XlCNEOxK4R6grutcNmxTt
Malware Config
Signatures
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Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\system32\\ctfmontot.exe" regsvr32.exe -
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 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0969E729-537C-3C54-AB83-31FAE25BBDF1} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\IExplore = "1" regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\ctfmontot.exe 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 41 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\D.1\ = "D" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\D\ = "D" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\VersionIndependentProgID\ = "D" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\ = "D" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\ProgID\ = "D.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3e7c7803d9a3dab9d139cc362976d587_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3e7c7803d9a3dab9d139cc362976d587_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\TypeLib\ = "{EA1D3637-179E-351A-8A18-C976B1885094}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\D.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\D regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0969E729-537C-3C54-AB83-31FAE25BBDF1} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\ = "IDOMPeek" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID\ = "{0969E729-537C-3C54-AB83-31FAE25BBDF1}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID\ = "{0969E729-537C-3C54-AB83-31FAE25BBDF1}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{EA1D3637-179E-351A-8A18-C976B1885094}\1.0\ = "LIB" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\ = "IDOMPeek" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{27D3F538-42F5-3736-A62B-DD790F3BC861}\TypeLib\ = "{EA1D3637-179E-351A-8A18-C976B1885094}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2548 wrote to memory of 4116 2548 regsvr32.exe 83 PID 2548 wrote to memory of 4116 2548 regsvr32.exe 83 PID 2548 wrote to memory of 4116 2548 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3e7c7803d9a3dab9d139cc362976d587_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3e7c7803d9a3dab9d139cc362976d587_JaffaCakes118.dll2⤵
- Event Triggered Execution: Image File Execution Options Injection
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4116
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