Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 06:59
Static task
static1
Behavioral task
behavioral1
Sample
f5733a0e297eec6ab405628e945e47a3_JaffaCakes118.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f5733a0e297eec6ab405628e945e47a3_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
f5733a0e297eec6ab405628e945e47a3_JaffaCakes118.dll
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Size
127KB
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MD5
f5733a0e297eec6ab405628e945e47a3
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SHA1
e495b64fb3203e52f8360eda362e298a45bd63ab
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SHA256
610ecba86546b6c5c7c1811bb0d9f1ef2ec71cccf0423da097d992a8efa38074
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SHA512
0316a9d150a12ad98cdcdb049b72d8bcca5191ff1b0ce9f877459b211cd50566338f1c1308318b16337608e05c9c3174ce10c95f299fcc26ed03811ac0e06389
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SSDEEP
1536:sXtvLyy2xq57ksCV/ns9MKAsdshxlg5YFWrKL/oioXD/:sXlyy4pIAgiWuLF8
Malware Config
Signatures
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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 45 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\TypeLib\ = "{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ = "_Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f5733a0e297eec6ab405628e945e47a3_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\VERSION regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f5733a0e297eec6ab405628e945e47a3_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ = "Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\TypeLib\ = "{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.Class regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID\ = "FlashPlayer.Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.Class\Clsid\ = "{B69F34DD-F0F9-42DC-9EDD-957187DA688D}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\VERSION\ = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.Class\ = "FlashPlayer.Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\ = "FlashPlayer.Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\FlashPlayer.Class\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ = "_Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ProxyStubClsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{269EADEF-9DF6-40BF-8EF0-13A9FF9DED1D}\TypeLib\ = "{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F34DD-F0F9-42DC-9EDD-957187DA688D}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TYPELIB\{3ADCD351-7F41-4D06-A1D9-7F8EEC48F498}\1.0\ = "FlashPlayer" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2436 wrote to memory of 2240 2436 regsvr32.exe 30 PID 2436 wrote to memory of 2240 2436 regsvr32.exe 30 PID 2436 wrote to memory of 2240 2436 regsvr32.exe 30 PID 2436 wrote to memory of 2240 2436 regsvr32.exe 30 PID 2436 wrote to memory of 2240 2436 regsvr32.exe 30 PID 2436 wrote to memory of 2240 2436 regsvr32.exe 30 PID 2436 wrote to memory of 2240 2436 regsvr32.exe 30
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\f5733a0e297eec6ab405628e945e47a3_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\f5733a0e297eec6ab405628e945e47a3_JaffaCakes118.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2240
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