Analysis Overview
SHA256
481e617bf801b26b6fb8edc67ea637b1e9db954c0ee673e9a2bce0071768b929
Threat Level: Known bad
The file 51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
HawkEye
Adds Run key to start application
Unsigned PE
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-17 06:41
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-17 06:41
Reported
2024-07-17 06:43
Platform
win7-20240704-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
HawkEye
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2476 wrote to memory of 2140 | N/A | C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2476 wrote to memory of 2140 | N/A | C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2476 wrote to memory of 2140 | N/A | C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 948
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | automation.whatismyip.com | udp |
| N/A | 127.0.0.1:80 | tcp |
Files
memory/2476-0-0x000007FEF505E000-0x000007FEF505F000-memory.dmp
memory/2476-1-0x000007FEF4DA0000-0x000007FEF573D000-memory.dmp
memory/2476-2-0x0000000002340000-0x00000000023C0000-memory.dmp
memory/2476-3-0x000007FEF4DA0000-0x000007FEF573D000-memory.dmp
memory/2140-6-0x00000000004A0000-0x00000000004A1000-memory.dmp
memory/2476-7-0x000007FEF4DA0000-0x000007FEF573D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-17 06:41
Reported
2024-07-17 06:43
Platform
win10v2004-20240709-en
Max time kernel
140s
Max time network
136s
Command Line
Signatures
HawkEye
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" | C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2440 wrote to memory of 968 | N/A | C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2440 wrote to memory of 968 | N/A | C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\51de2b9486f0b8fc4406ac8956a4da2b_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 1500
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | automation.whatismyip.com | udp |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
memory/2440-0-0x00007FFE29255000-0x00007FFE29256000-memory.dmp
memory/2440-1-0x00007FFE28FA0000-0x00007FFE29941000-memory.dmp
memory/2440-2-0x000000001C130000-0x000000001C5FE000-memory.dmp
memory/2440-3-0x000000001C6B0000-0x000000001C756000-memory.dmp
memory/2440-4-0x000000001C760000-0x000000001C7E0000-memory.dmp
memory/2440-5-0x000000001CBD0000-0x000000001CC6C000-memory.dmp
memory/2440-7-0x00007FFE28FA0000-0x00007FFE29941000-memory.dmp
memory/2440-6-0x000000001C7F0000-0x000000001C7F8000-memory.dmp
memory/2440-16-0x00007FFE28FA0000-0x00007FFE29941000-memory.dmp