Analysis Overview
SHA256
425daabae56f39d35a83aa918d36c4f8e9ff107f828246e7775cc5ca5bdcb531
Threat Level: Likely malicious
The file 073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Sets DLL path for service in the registry
Sets service image path in registry
Checks BIOS information in registry
Installs/modifies Browser Helper Object
Unsigned PE
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Uses Volume Shadow Copy service COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-29 08:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-29 08:37
Reported
2024-04-29 08:40
Platform
win7-20240215-en
Max time kernel
149s
Max time network
117s
Command Line
Signatures
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fbxaltlp\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fbxaltlp\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k netsvcs" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\SysWOW64\rundll32.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\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Acogxxld\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\InprocServer32\ = "c:\\users\\admin\\appdata\\local\\temp\\073fa3c9d4e14a7480c4190759d799e3_jaffacakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Acogxxld\CLSID\ = "{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\Version = "6" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Acogxxld | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Acogxxld\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\Version = "1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\ | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\ProgID\ = "Acogxxld" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Wow6432Node\CLSID\{BD0F9A8A-1E84-435C-A277-2D9E3A56A6E7}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\system32\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll",DllMain -
C:\Windows\SysWOW64\at.exe
C:\Windows\system32\at.exe 11:5:00 /every:Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll",DllMain -
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sample-domain.info | udp |
| US | 8.8.8.8:53 | clubdave.com | udp |
| US | 8.8.8.8:53 | ballsstar.com | udp |
| US | 8.8.8.8:53 | local-ip.com | udp |
| US | 8.8.8.8:53 | icywinds.com | udp |
| US | 8.8.8.8:53 | vvblast.net | udp |
| US | 8.8.8.8:53 | ebookidea.com | udp |
| US | 8.8.8.8:53 | no-domain.org | udp |
| US | 8.8.8.8:53 | idolbright.com | udp |
| US | 8.8.8.8:53 | anoreennf.com | udp |
| US | 8.8.8.8:53 | fishrover.com | udp |
| US | 8.8.8.8:53 | pressword.info | udp |
| US | 8.8.8.8:53 | dandlyons.com | udp |
| US | 8.8.8.8:53 | makeupcreamie.com | udp |
| US | 8.8.8.8:53 | funshoponline.net | udp |
Files
memory/2336-6-0x00000000024F0000-0x0000000002600000-memory.dmp
memory/2904-11-0x00000000001E0000-0x000000000021D000-memory.dmp
memory/2336-12-0x0000000000400000-0x000000000043D000-memory.dmp
memory/2904-14-0x00000000001E0000-0x000000000021D000-memory.dmp
memory/2904-15-0x00000000001E0000-0x000000000021D000-memory.dmp
memory/2904-16-0x00000000001E0000-0x000000000021D000-memory.dmp
memory/2904-17-0x00000000001E0000-0x000000000021D000-memory.dmp
memory/2904-18-0x00000000001E0000-0x000000000021D000-memory.dmp
memory/2904-20-0x00000000001E0000-0x000000000021D000-memory.dmp
memory/2904-22-0x00000000001E0000-0x000000000021D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-29 08:37
Reported
2024-04-29 08:40
Platform
win10v2004-20240419-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\lypnzatx\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\lypnzatx\ImagePath = "%SystemRoot%\\System32\\svchost.exe -k netsvcs" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Windows\SysWOW64\rundll32.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\{FA19F148-6504-47A7-90E2-32C09D72237D} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \Registry\Machine\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\ProgID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\Version = "1" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Vitgneor\CLSID | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\ | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\Version = "6" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\InprocServer32\ = "c:\\users\\admin\\appdata\\local\\temp\\073fa3c9d4e14a7480c4190759d799e3_jaffacakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Vitgneor\CLSID\ = "{FA19F148-6504-47A7-90E2-32C09D72237D}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA19F148-6504-47A7-90E2-32C09D72237D}\ProgID\ = "Vitgneor" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \Registry\Machine\SOFTWARE\Classes\Vitgneor | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Vitgneor\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4340 wrote to memory of 4356 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4340 wrote to memory of 4356 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4340 wrote to memory of 4356 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 4356 wrote to memory of 432 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4356 wrote to memory of 432 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4356 wrote to memory of 432 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4356 wrote to memory of 3548 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\at.exe |
| PID 4356 wrote to memory of 3548 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\at.exe |
| PID 4356 wrote to memory of 3548 | N/A | C:\Windows\SysWOW64\regsvr32.exe | C:\Windows\SysWOW64\at.exe |
Uses Volume Shadow Copy service COM API
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll
C:\Windows\SysWOW64\rundll32.exe
C:\Windows\system32\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll",DllMain -
C:\Windows\SysWOW64\at.exe
C:\Windows\system32\at.exe 10:4:00 /every:Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\073fa3c9d4e14a7480c4190759d799e3_JaffaCakes118.dll",DllMain -
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sample-domain.info | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | sample-domain.info | udp |
| US | 8.8.8.8:53 | sample-domain.info | udp |
| US | 8.8.8.8:53 | breaksworks.com | udp |
| US | 8.8.8.8:53 | breaksworks.com | udp |
| US | 8.8.8.8:53 | whitepickets.com | udp |
| US | 8.8.8.8:53 | whitepickets.com | udp |
| US | 8.8.8.8:53 | local-ip.com | udp |
| US | 8.8.8.8:53 | local-ip.com | udp |
| US | 8.8.8.8:53 | yiland.net | udp |
| US | 8.8.8.8:53 | yiland.net | udp |
| US | 8.8.8.8:53 | thepeakstate.com | udp |
| US | 8.8.8.8:53 | thepeakstate.com | udp |
| US | 8.8.8.8:53 | no-domain.org | udp |
| US | 8.8.8.8:53 | no-domain.org | udp |
| US | 8.8.8.8:53 | rideangie.com | udp |
| US | 8.8.8.8:53 | rideangie.com | udp |
Files
memory/4356-2-0x0000000003270000-0x0000000003413000-memory.dmp
memory/4356-16-0x0000000000400000-0x000000000043D000-memory.dmp
memory/432-18-0x0000000000400000-0x000000000043D000-memory.dmp
memory/432-20-0x0000000000400000-0x000000000043D000-memory.dmp
memory/432-22-0x0000000000400000-0x000000000043D000-memory.dmp
memory/432-24-0x0000000000400000-0x000000000043D000-memory.dmp
memory/432-25-0x0000000000400000-0x000000000043D000-memory.dmp
memory/432-27-0x0000000000400000-0x000000000043D000-memory.dmp
memory/432-29-0x0000000000400000-0x000000000043D000-memory.dmp
memory/432-30-0x0000000000400000-0x000000000043D000-memory.dmp