Analysis Overview
SHA256
8f2b5f143d81ac79ad4432c11d9cfdd256985dcd8bb41e9532e4526af5d78ea7
Threat Level: Known bad
The file bcf4750c992b356dfa2cfa9032834451_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
NanoCore
Adds Run key to start application
Suspicious use of SetThreadContext
AutoIT Executable
Drops file in Program Files directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SendNotifyMessage
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-18 16:45
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-18 16:45
Reported
2024-06-18 16:48
Platform
win7-20240508-en
Max time kernel
150s
Max time network
146s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2472 set thread context of 2092 | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\LAN Service\lansv.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
| File opened for modification | C:\Program Files (x86)\LAN Service\lansv.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| EE | 91.193.75.96:1985 | tcp | |
| EE | 91.193.75.96:1985 | tcp | |
| EE | 91.193.75.96:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| EE | 91.193.75.96:1985 | tcp | |
| EE | 91.193.75.96:1985 | tcp | |
| EE | 91.193.75.96:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| EE | 91.193.75.96:1985 | tcp |
Files
memory/2092-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2092-0-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-8-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2472-9-0x00000000001F0000-0x0000000000200000-memory.dmp
memory/2092-7-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-1-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2092-10-0x0000000074001000-0x0000000074002000-memory.dmp
memory/2092-12-0x0000000074000000-0x00000000745AB000-memory.dmp
memory/2092-11-0x0000000074000000-0x00000000745AB000-memory.dmp
memory/2092-15-0x0000000074000000-0x00000000745AB000-memory.dmp
memory/2092-16-0x0000000074000000-0x00000000745AB000-memory.dmp
memory/2092-17-0x0000000074000000-0x00000000745AB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-18 16:45
Reported
2024-06-18 16:48
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
NanoCore
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Host = "C:\\Program Files (x86)\\SCSI Host\\scsihost.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2144 set thread context of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\SCSI Host\scsihost.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
| File opened for modification | C:\Program Files (x86)\SCSI Host\scsihost.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2144 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 2144 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 2144 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 2144 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
| PID 2144 wrote to memory of 2984 | N/A | C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bcf4750c992b356dfa2cfa9032834451_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| EE | 91.193.75.96:1985 | tcp | |
| NL | 23.62.61.72:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 72.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| EE | 91.193.75.96:1985 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| EE | 91.193.75.96:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| N/A | 127.0.0.1:1985 | tcp | |
| EE | 91.193.75.96:1985 | tcp | |
| US | 52.111.227.11:443 | tcp | |
| EE | 91.193.75.96:1985 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| EE | 91.193.75.96:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| N/A | 127.0.0.1:1985 | tcp | |
| EE | 91.193.75.96:1985 | tcp |
Files
memory/2984-1-0x0000000000700000-0x0000000000738000-memory.dmp
memory/2144-5-0x0000000002870000-0x000000000287C000-memory.dmp
memory/2984-6-0x0000000073912000-0x0000000073913000-memory.dmp
memory/2984-7-0x0000000073910000-0x0000000073EC1000-memory.dmp
memory/2984-8-0x0000000073910000-0x0000000073EC1000-memory.dmp
memory/2984-11-0x0000000073910000-0x0000000073EC1000-memory.dmp
memory/2144-12-0x0000000002870000-0x000000000287C000-memory.dmp
memory/2984-13-0x0000000073912000-0x0000000073913000-memory.dmp
memory/2984-14-0x0000000073910000-0x0000000073EC1000-memory.dmp
memory/2984-15-0x0000000073910000-0x0000000073EC1000-memory.dmp