Analysis
-
max time kernel
94s -
max time network
95s -
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 10:39
Behavioral task
behavioral1
Sample
3f608d2ff99da158b785aa1772c52c12_JaffaCakes118.dll
Resource
win7-20240903-en
General
-
Target
3f608d2ff99da158b785aa1772c52c12_JaffaCakes118.dll
-
Size
86KB
-
MD5
3f608d2ff99da158b785aa1772c52c12
-
SHA1
bd713996fb5bc52c12d70036b2ab9323f95de1be
-
SHA256
e6a130f8ba2a150bbb98f9305f9fbde1d300c03f758cb1d5e0ce1ed8690ba6a6
-
SHA512
ba6786caf7b6ef7fe2c8af6d94214103413940faa1c97219c7ecd211ac98856169276035237e93047e6609a9597b70ed61e2af357f970c26a17e0718d5f485c4
-
SSDEEP
1536:2D5wzSDmQq7wbSSokNrU/4VZZYElD++XOmTeNINap/8lWVZnJwfko/gM7DIVJ90:k8wbSf4je0emThAp/8oVZOfb/gMnI6
Malware Config
Signatures
-
Installs/modifies Browser Helper Object 2 TTPs 5 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28CAEFF3-0F18-4036-B504-51D73BD81ABC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28CAEFF3-0F18-4036-B504-51D73BD81ABC} regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\ regedit.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} regsvr32.exe -
resource yara_rule behavioral2/memory/1372-0-0x0000000010000000-0x0000000010146000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 2 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regedit.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser regedit.exe Set value (data) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\WebBrowser\{825CF5BD-8862-4430-B771-0C15C5CA8DEF} = 00 regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Toolbar\{825CF5BD-8862-4430-B771-0C15C5CA8DEF} = "EliteToolBar" regsvr32.exe -
Modifies registry class 57 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC} regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\TypeLib\ = "{CA9FC31A-6F35-4493-B629-E64BD6170A17}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\ = "IEliteBarImpl" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\TypeLib\ = "{CA9FC31A-6F35-4493-B629-E64BD6170A17}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF}\InprocServer32\ThreadingModel = "Apartment" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF}\ = "&EliteBar" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3F608D~1.DLL" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3f608d2ff99da158b785aa1772c52c12_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF} regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\TypeLib\ = "{CA9FC31A-6F35-4493-B629-E64BD6170A17}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\ = "&EliteBar" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\InprocServer32\ThreadingModel = "Apartment" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\Programmable regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF}\InprocServer32 regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\ = "INavigator" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\TypeLib\ = "{CA9FC31A-6F35-4493-B629-E64BD6170A17}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\InprocServer32 regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3F608D~1.DLL" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28CAEFF3-0F18-4036-B504-51D73BD81ABC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF}\ = "&EliteBar" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\ = "IEliteBarImpl" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9B28EF6-ABF3-463B-A3D8-4D0D0BADFADC}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{825CF5BD-8862-4430-B771-0C15C5CA8DEF}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0\ = "EliteBar" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA9FC31A-6F35-4493-B629-E64BD6170A17}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\ = "INavigator" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{DBF33E89-1784-42AC-ADE4-A428F56550A3}\ProxyStubClsid32 regsvr32.exe -
Runs .reg file with regedit 1 IoCs
pid Process 3828 regedit.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4576 wrote to memory of 1372 4576 regsvr32.exe 83 PID 4576 wrote to memory of 1372 4576 regsvr32.exe 83 PID 4576 wrote to memory of 1372 4576 regsvr32.exe 83 PID 1372 wrote to memory of 3828 1372 regsvr32.exe 84 PID 1372 wrote to memory of 3828 1372 regsvr32.exe 84 PID 1372 wrote to memory of 3828 1372 regsvr32.exe 84
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\3f608d2ff99da158b785aa1772c52c12_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\3f608d2ff99da158b785aa1772c52c12_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\SysWOW64\regedit.exeregedit /s /c "C:\Users\Admin\AppData\Local\Temp\\install.reg"3⤵
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Runs .reg file with regedit
PID:3828
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD53c4bc71dea7fe98721f9f140e032b040
SHA1996e1e295b6c0574d78f10011dbf4ce9eef4bd84
SHA25663469d32206ef74dc2f49015f21d20ef18e3b43aa8d26cadc7eb7a3c15aa25f7
SHA512db8169f0260b0fa5c9d225c270c871aad26effbf66c069175d44a864eb545552f7e3014506922325bdda7d76aa633f00bcec364bb7a2a77662a44de7add918ac