Analysis Overview
SHA256
ccbc9ffe9d43dbc2ab7ce253fd6a7f72446d587b624d4813814f99d032ce2c21
Threat Level: Likely malicious
The file 11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Drops file in Drivers directory
Server Software Component: Terminal Services DLL
Deletes itself
Loads dropped DLL
VMProtect packed file
Drops file in System32 directory
Program crash
Unsigned PE
Suspicious behavior: LoadsDriver
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 10:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 10:13
Reported
2024-06-26 10:16
Platform
win7-20240419-en
Max time kernel
141s
Max time network
118s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\drivers\beep.sys | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Server Software Component: Terminal Services DLL
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MediaCenter\Parameters\ServiceDll = "C:\\Windows\\system32\\KwuvspD.dll" | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\KwuvspD.dll | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2072 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2072 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2072 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2072 wrote to memory of 2272 | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsvc
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\11A39D~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | haoaiqian.3322.org | udp |
Files
memory/2072-0-0x0000000000400000-0x000000000043C7EA-memory.dmp
memory/2072-2-0x0000000000400000-0x000000000043C7EA-memory.dmp
memory/2072-1-0x0000000000401000-0x0000000000426000-memory.dmp
memory/2072-3-0x0000000000400000-0x000000000043C7EA-memory.dmp
\Windows\SysWOW64\KwuvspD.dll
| MD5 | 527849b3765d26c0b89191ab893ee813 |
| SHA1 | f032ce42cef07e1b5507fce3b296091dca277938 |
| SHA256 | 0b268a02cb533fc1538dd34ea00c7cbf94d9cf4e31c46bde7cf8b8397b4fda42 |
| SHA512 | b16765cf83c020a66904b039f3401af5fc6e64476c9184fe4799ade17f4d4e32a21c51b667d21db6709ab60718a59fbdb2352903fb8be64e776da5d645fba687 |
memory/2072-12-0x0000000000401000-0x0000000000426000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 10:13
Reported
2024-06-26 10:16
Platform
win10v2004-20240508-en
Max time kernel
142s
Max time network
149s
Command Line
Signatures
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\drivers\beep.sys | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Server Software Component: Terminal Services DLL
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MediaCenter\Parameters\ServiceDll = "C:\\Windows\\system32\\KcupsxD.dll" | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\KcupsxD.dll | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3636 wrote to memory of 4728 | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3636 wrote to memory of 4728 | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3636 wrote to memory of 4728 | N/A | C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\11a39d68a3c64cba4024cd8c3edb9b7b_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsvc
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3636 -ip 3636
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3636 -s 460
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\11A39D~1.EXE > nul
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | haoaiqian.3322.org | udp |
| US | 8.8.8.8:53 | haoaiqian.3322.org | udp |
| US | 8.8.8.8:53 | haoaiqian.3322.org | udp |
| US | 8.8.8.8:53 | haoaiqian.3322.org | udp |
| US | 8.8.8.8:53 | haoaiqian.3322.org | udp |
| US | 8.8.8.8:53 | haoaiqian.3322.org | udp |
| US | 8.8.8.8:53 | haoaiqian.3322.org | udp |
Files
memory/3636-0-0x0000000000400000-0x000000000043C7EA-memory.dmp
memory/3636-1-0x0000000000401000-0x0000000000426000-memory.dmp
memory/3636-2-0x0000000000400000-0x000000000043C7EA-memory.dmp
memory/3636-4-0x0000000000400000-0x000000000043C7EA-memory.dmp
C:\Windows\SysWOW64\KcupsxD.dll
| MD5 | 527849b3765d26c0b89191ab893ee813 |
| SHA1 | f032ce42cef07e1b5507fce3b296091dca277938 |
| SHA256 | 0b268a02cb533fc1538dd34ea00c7cbf94d9cf4e31c46bde7cf8b8397b4fda42 |
| SHA512 | b16765cf83c020a66904b039f3401af5fc6e64476c9184fe4799ade17f4d4e32a21c51b667d21db6709ab60718a59fbdb2352903fb8be64e776da5d645fba687 |
memory/3636-13-0x0000000000401000-0x0000000000426000-memory.dmp