Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
02-08-2024 05:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
83472ec15355dc8e07010f4848095091_JaffaCakes118.dll
Resource
win7-20240705-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
83472ec15355dc8e07010f4848095091_JaffaCakes118.dll
Resource
win10v2004-20240730-en
windows10-2004-x64
6 signatures
150 seconds
General
-
Target
83472ec15355dc8e07010f4848095091_JaffaCakes118.dll
-
Size
196KB
-
MD5
83472ec15355dc8e07010f4848095091
-
SHA1
eefc5cd15c88a1f64dfa41d1aacae6747b02eade
-
SHA256
bad852e23d4b62555244e070b5709aed8498c14650b0eb64329884c78d878fec
-
SHA512
4b83d71656a8fa9a6899c3a8cb413a0ff1b1af35b42816911eeedb58cd28a8ee71c2aa6faa6d0ddc9e2273e05e230fc89e34b388b980a189d28b3119e5c7c75b
-
SSDEEP
3072:mKtd6d6Ayv7QlnlpHlx4aS686NLoHsqrvlz8WtxHLW1TyZjdUcYYSv:hv6d6AyqnlpHj4aTXNLgJ4WATyZjdUP
Score
8/10
Malware Config
Signatures
-
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\\ctfmon_eo.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\{01A57717-F485-304E-874F-123E6EDAFC0B} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{01A57717-F485-304E-874F-123E6EDAFC0B}\IExplore = "1" regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\ctfmon_eo.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\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0\HELPDIR regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\D regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B}\ProgID\ = "D.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID\ = "{01A57717-F485-304E-874F-123E6EDAFC0B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\D\ = "D" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B}\VersionIndependentProgID\ = "D" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\D.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\83472ec15355dc8e07010f4848095091_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\ = "IDOMPeek" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\D.1\ = "D" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0\ = "LIB" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\TypeLib\ = "{5FA9187E-0652-345C-A7B1-9E4C750AF36E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\TypeLib\ = "{5FA9187E-0652-345C-A7B1-9E4C750AF36E}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B}\ = "D" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{01A57717-F485-304E-874F-123E6EDAFC0B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\83472ec15355dc8e07010f4848095091_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\ = "IDOMPeek" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8935B31B-2260-3893-810E-50191FB8EBD7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\D\CLSID\ = "{01A57717-F485-304E-874F-123E6EDAFC0B}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5FA9187E-0652-345C-A7B1-9E4C750AF36E}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\D.1 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4764 wrote to memory of 868 4764 regsvr32.exe 83 PID 4764 wrote to memory of 868 4764 regsvr32.exe 83 PID 4764 wrote to memory of 868 4764 regsvr32.exe 83
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\83472ec15355dc8e07010f4848095091_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\83472ec15355dc8e07010f4848095091_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:868
-