Analysis Overview
SHA256
6da1745755cd6995f1522742516f2e19349528e56e3e8db98e04f5ab6f235153
Threat Level: Shows suspicious behavior
The file 4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Writes to the Master Boot Record (MBR)
Program crash
Suspicious use of SetThreadContext
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-16 23:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-16 23:28
Reported
2024-10-16 23:31
Platform
win7-20240729-en
Max time kernel
16s
Max time network
17s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2100 set thread context of 1056 | N/A | C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe"
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 156
Network
Files
memory/2100-0-0x0000000014140000-0x0000000014149000-memory.dmp
memory/2100-1-0x0000000014140000-0x0000000014149000-memory.dmp
memory/1056-2-0x0000000013140000-0x00000000131E8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-16 23:28
Reported
2024-10-16 23:31
Platform
win10v2004-20241007-en
Max time kernel
139s
Max time network
153s
Command Line
Signatures
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4228 set thread context of 3876 | N/A | C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4f9af739eacdce8f0718a9c143dda17e_JaffaCakes118.exe"
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 208.66.194.241:80 | tcp | |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 66.246.252.213:80 | tcp | |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 66.246.252.215:80 | tcp | |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 66.246.72.173:80 | tcp | |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 67.18.114.98:80 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | 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 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 208.66.194.241:80 | tcp | |
| US | 208.66.194.241:80 | tcp |
Files
memory/4228-0-0x0000000014140000-0x0000000014149000-memory.dmp
memory/3876-1-0x0000000013140000-0x00000000131E8000-memory.dmp
memory/4228-2-0x0000000014140000-0x0000000014149000-memory.dmp