Analysis Overview
SHA256
e0280d09d87b5a3da57f4513570827d2f1ba65f1f189d96850f23e207e70ad3e
Threat Level: Likely malicious
The file f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Adds policy Run key to start application
Loads dropped DLL
Installs/modifies Browser Helper Object
Drops file in System32 directory
Unsigned PE
Modifies Internet Explorer settings
Modifies Internet Explorer start page
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 19:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 19:59
Reported
2024-04-15 20:02
Platform
win7-20240221-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\nvctrl.exe = "nvctrl.exe" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4da4616d-7e6e-4fd9-a2d5-b6c535733e22} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{4da4616d-7e6e-4fd9-a2d5-b6c535733e22}\ | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\hp1278.tmp | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ncompat.tlb | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\ncompat.tlb | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\msvol.tlb | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Search | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\SearchUrl | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Modifies Internet Explorer start page
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "about:blank" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID\{4da4616d-7e6e-4fd9-a2d5-b6c535733e22}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Classes\Wow6432Node\CLSID | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22}\ = "HomepageBHO" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22}\InprocServer32\ = "C:\\Windows\\SysWow64\\hp1278.tmp" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe"
Network
Files
\Windows\SysWOW64\hp1278.tmp
| MD5 | f6f0acbab6b77cfceb1a99728196ee44 |
| SHA1 | 19fb35f4a009cae13d5af5e16e957bb5b9db4b66 |
| SHA256 | 3c0b6fdfe2072f53011e8aceafebfab52a656cad7151fa442373ecded1bbc6f7 |
| SHA512 | 61e9e588647a37b570d7a36b98fb89d652ade2bda53267a236c1f79f69cad6d065816ed7d46bdb79375ba2fe51ea072cefbb99433feac301d127d92611439635 |
\Windows\SysWOW64\msvol.tlb
| MD5 | e7afa16c233058649d7348fe6cedb3c9 |
| SHA1 | a183ce118461f883180a6146f320002421a5f540 |
| SHA256 | 05623ad481a440cb866fb44f5e6394834422955685b64fc697e9ceb242627f8e |
| SHA512 | 286b64a7978c0863bc5ece49cdf9613212acd6b8d035a6ed46c32d3d77790b2c27d6cf9e5adeeb4f74b5f33cbdc9e831959980decbc89615f3053a9de13fe0ad |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 19:59
Reported
2024-04-15 20:02
Platform
win10v2004-20240412-en
Max time kernel
148s
Max time network
154s
Command Line
Signatures
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\explorer\run | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\nvctrl.exe = "nvctrl.exe" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4da4616d-7e6e-4fd9-a2d5-b6c535733e22}\ | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4da4616d-7e6e-4fd9-a2d5-b6c535733e22} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\ncompat.tlb | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\msvol.tlb | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\hp5E8B.tmp | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ncompat.tlb | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\Search | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Software\Microsoft\Internet Explorer\SearchUrl | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Modifies Internet Explorer start page
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "about:blank" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{4da4616d-7e6e-4fd9-a2d5-b6c535733e22}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22} | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22}\ = "HomepageBHO" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22}\InprocServer32\ = "C:\\Windows\\SysWow64\\hp5E8B.tmp" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4DA4616D-7E6E-4FD9-A2D5-B6C535733E22}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f1ce9c4e686f228f9d530be4afcb0c6e_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.14.97.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.173.189.20.in-addr.arpa | udp |
Files
C:\Windows\SysWOW64\hp5E8B.tmp
| MD5 | f6f0acbab6b77cfceb1a99728196ee44 |
| SHA1 | 19fb35f4a009cae13d5af5e16e957bb5b9db4b66 |
| SHA256 | 3c0b6fdfe2072f53011e8aceafebfab52a656cad7151fa442373ecded1bbc6f7 |
| SHA512 | 61e9e588647a37b570d7a36b98fb89d652ade2bda53267a236c1f79f69cad6d065816ed7d46bdb79375ba2fe51ea072cefbb99433feac301d127d92611439635 |
C:\Windows\SysWOW64\msvol.tlb
| MD5 | e7afa16c233058649d7348fe6cedb3c9 |
| SHA1 | a183ce118461f883180a6146f320002421a5f540 |
| SHA256 | 05623ad481a440cb866fb44f5e6394834422955685b64fc697e9ceb242627f8e |
| SHA512 | 286b64a7978c0863bc5ece49cdf9613212acd6b8d035a6ed46c32d3d77790b2c27d6cf9e5adeeb4f74b5f33cbdc9e831959980decbc89615f3053a9de13fe0ad |