Analysis
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max time kernel
95s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 20:50
Static task
static1
Behavioral task
behavioral1
Sample
d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.dll
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Size
640KB
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MD5
d7126703e0686d5c68db2c550faa4a2b
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SHA1
8dcd687fbc1fe2a04c7853d399f0db8b01793060
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SHA256
57cc147aef1599a8f9500b078bb71f88fe433615e1ec34413d13c2fefe6d6fc6
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SHA512
e7a004457b34f438115b7cc428a95ba67429ceb1d23b305de955499efe1e6231d53fcd5a29cab4997ed374646fd2cd0e5a66328d60d12ac6f5dd7cfd880ec0c6
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SSDEEP
12288:PkdtYzsZDM2fjYiV/UzxoyS7nUmsn7l0BhH2tePm:8dGzs/0kwolUf7lkhHA+
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\{CC01FC6C-89A9-5183-1CB1-69FCD2172424} 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 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-89A9-5183-1CB1-69FCD2172424}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.brm inc\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-89A9-5183-1CB1-69FCD2172424}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-89A9-5183-1CB1-69FCD2172424} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-89A9-5183-1CB1-69FCD2172424}\ = "brm inc" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-89A9-5183-1CB1-69FCD2172424}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-89A9-5183-1CB1-69FCD2172424}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.brm inc regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.brm inc\ = "brm inc" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-89A9-5183-1CB1-69FCD2172424}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-89A9-5183-1CB1-69FCD2172424}\ProgID\ = "d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.brm inc" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2908 wrote to memory of 4120 2908 regsvr32.exe 83 PID 2908 wrote to memory of 4120 2908 regsvr32.exe 83 PID 2908 wrote to memory of 4120 2908 regsvr32.exe 83
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\d7126703e0686d5c68db2c550faa4a2b_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4120
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