Analysis Overview
SHA256
6a01c65115ec62f2df8c56b144809be78d0682d80e239f24358503c72cf05b5f
Threat Level: Known bad
The file fa449eb5918266827fb35e3e71c46600_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
MetaSploit
Modifies firewall policy service
UPX packed file
Loads dropped DLL
Deletes itself
Executes dropped EXE
Maps connected drives based on registry
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-19 12:11
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-19 12:11
Reported
2024-04-19 12:14
Platform
win7-20240221-en
Max time kernel
148s
Max time network
119s
Command Line
Signatures
MetaSploit
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdl86.exe = "C:\\Windows\\SysWOW64\\igfxdl86.exe:*:Enabled:Intel Device Driver" | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdl86.exe = "C:\\Windows\\SysWOW64\\igfxdl86.exe:*:Enabled:Intel Device Driver" | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Device Driver = "C:\\Windows\\SysWOW64\\igfxdl86.exe" | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\igfxdl86.exe | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\igfxdl86.exe | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2084 set thread context of 2100 | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe |
| PID 2620 set thread context of 2560 | N/A | C:\Windows\SysWOW64\igfxdl86.exe | C:\Windows\SysWOW64\igfxdl86.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\igfxdl86.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"
C:\Windows\SysWOW64\igfxdl86.exe
"C:\Windows\SysWOW64\igfxdl86.exe" C:\Users\Admin\AppData\Local\Temp\FA449E~1.EXE
C:\Windows\SysWOW64\igfxdl86.exe
"C:\Windows\SysWOW64\igfxdl86.exe" C:\Users\Admin\AppData\Local\Temp\FA449E~1.EXE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | j16.fast-quantum-servers.su | udp |
| KR | 143.248.35.28:80 | tcp | |
| KR | 143.248.35.28:80 | tcp |
Files
memory/2100-0-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2100-2-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2100-3-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2100-4-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2100-6-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2100-8-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2100-7-0x0000000000400000-0x000000000044C000-memory.dmp
\Windows\SysWOW64\igfxdl86.exe
| MD5 | fa449eb5918266827fb35e3e71c46600 |
| SHA1 | d364433027c351a03d4d0fb8b3d91ada2613e7f2 |
| SHA256 | 6a01c65115ec62f2df8c56b144809be78d0682d80e239f24358503c72cf05b5f |
| SHA512 | 104a440612b30d136ad6672765e11674ead933a5af7397a621d7c91cbbc84710a8f49725b96212c19a44314a8925a7039343ffd0446a44d382d713a4f93f1b5f |
memory/2100-32-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2100-31-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2560-33-0x0000000000400000-0x000000000044C000-memory.dmp
memory/1176-34-0x0000000002960000-0x000000000297E000-memory.dmp
memory/1176-35-0x00000000029E0000-0x00000000029E1000-memory.dmp
memory/2560-36-0x0000000000400000-0x000000000044C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-19 12:11
Reported
2024-04-19 12:14
Platform
win10v2004-20240412-en
Max time kernel
147s
Max time network
155s
Command Line
Signatures
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3672 set thread context of 4296 | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3672 wrote to memory of 4296 | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe |
| PID 3672 wrote to memory of 4296 | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe |
| PID 3672 wrote to memory of 4296 | N/A | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa449eb5918266827fb35e3e71c46600_JaffaCakes118.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.178.89.13.in-addr.arpa | udp |