Analysis Overview
SHA256
973176de938bbf50ef01a3f63f3731bd96c0e256e1ebc7a7ad9af2a34ea5fe4a
Threat Level: Shows suspicious behavior
The file f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Checks computer location settings
Installs/modifies Browser Helper Object
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Modifies Internet Explorer settings
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 11:12
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-15 11:12
Reported
2024-04-15 11:14
Platform
win7-20240221-en
Max time kernel
119s
Max time network
122s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.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 | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{3298487F-5064-48e9-B5E4-4BF50F4F9006} | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\mountr.dll | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\help.txt | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\InprocServer32\ = "mountr.dll" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\ProgID | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\ProgID\ = "Soap" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\ = "Editor plugin" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\TypeLib | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\TypeLib\ = "{B50621AB-BB43-45f3-93AB-BF12E71FB6AB}" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006} | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2036 wrote to memory of 2448 | N/A | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2036 wrote to memory of 2448 | N/A | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2036 wrote to memory of 2448 | N/A | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2036 wrote to memory of 2448 | N/A | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F0EBC3~1.EXE >> NUL
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 11:12
Reported
2024-04-15 11:15
Platform
win10v2004-20240412-en
Max time kernel
144s
Max time network
148s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_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 | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3298487F-5064-48e9-B5E4-4BF50F4F9006} | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\help.txt | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\mountr.dll | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006} | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\ = "Editor plugin" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\ProgID | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\ProgID\ = "Soap" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\TypeLib\ = "{B50621AB-BB43-45f3-93AB-BF12E71FB6AB}" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\InprocServer32 | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\InprocServer32\ = "mountr.dll" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\InprocServer32\ThreadingModel = "Apartment" | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3298487F-5064-48e9-B5E4-4BF50F4F9006}\TypeLib | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 216 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 216 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 216 wrote to memory of 4160 | N/A | C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f0ebc36bda07f8da4e86a1e835ea1495_JaffaCakes118.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\F0EBC3~1.EXE >> NUL
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 93.65.42.20.in-addr.arpa | udp |