Analysis Overview
SHA256
e2e389ab119e5cbde9d055f38362186917d72ccdec03f6e39e1e7aa4fbb10d31
Threat Level: Known bad
The file 27c977ec531488a06df33fdbdb19b04f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
MetaSploit
Modifies firewall policy service
UPX packed file
Checks computer location settings
Executes dropped EXE
Deletes itself
Maps connected drives based on registry
Adds Run key to start application
Drops file in System32 directory
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-06 07:48
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-06 07:48
Reported
2024-07-06 07:51
Platform
win7-20240221-en
Max time kernel
141s
Max time network
126s
Command Line
Signatures
MetaSploit
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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1936 set thread context of 1040 | N/A | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 140
Network
Files
memory/1040-6-0x0000000000400000-0x0000000000465000-memory.dmp
memory/1040-5-0x0000000000400000-0x0000000000465000-memory.dmp
memory/1040-11-0x0000000000400000-0x0000000000465000-memory.dmp
memory/1040-9-0x0000000000400000-0x0000000000465000-memory.dmp
memory/1040-4-0x0000000000400000-0x0000000000465000-memory.dmp
memory/1040-12-0x0000000000400000-0x0000000000465000-memory.dmp
memory/1040-2-0x0000000000400000-0x0000000000465000-memory.dmp
memory/1040-0-0x0000000000400000-0x0000000000465000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-06 07:48
Reported
2024-07-06 07:51
Platform
win10v2004-20240704-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
MetaSploit
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpsx64.exe = "C:\\Windows\\SysWOW64\\wmpsx64.exe:*:Enabled:Windows Secure Media" | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\wmpsx64.exe = "C:\\Windows\\SysWOW64\\wmpsx64.exe:*:Enabled:Windows Secure Media" | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Key created | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\wmpsx64.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\Windows Secure Media = "C:\\Windows\\SysWOW64\\wmpsx64.exe" | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\ | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\wmpsx64.exe | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | N/A |
| File created | C:\Windows\SysWOW64\wmpsx64.exe | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\ | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\wmpsx64.exe | C:\Windows\SysWOW64\wmpsx64.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2344 set thread context of 4832 | N/A | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe |
| PID 220 set thread context of 732 | N/A | C:\Windows\SysWOW64\wmpsx64.exe | C:\Windows\SysWOW64\wmpsx64.exe |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ | C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\27c977ec531488a06df33fdbdb19b04f_JaffaCakes118.exe"
C:\Windows\SysWOW64\wmpsx64.exe
"C:\Windows\SysWOW64\wmpsx64.exe" C:\Users\Admin\AppData\Local\Temp\27C977~1.EXE
C:\Windows\SysWOW64\wmpsx64.exe
"C:\Windows\SysWOW64\wmpsx64.exe" C:\Users\Admin\AppData\Local\Temp\27C977~1.EXE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nat1.level14-c01-as92013.su | udp |
| US | 204.11.237.59:80 | 204.11.237.59 | tcp |
| US | 8.8.8.8:53 | 59.237.11.204.in-addr.arpa | udp |
| US | 66.128.53.179:80 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/4832-0-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4832-2-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4832-3-0x0000000000400000-0x0000000000465000-memory.dmp
memory/4832-4-0x0000000000400000-0x0000000000465000-memory.dmp
C:\Windows\SysWOW64\wmpsx64.exe
| MD5 | 27c977ec531488a06df33fdbdb19b04f |
| SHA1 | d47354595477dbb0f1c49b18b05df80e218877f2 |
| SHA256 | e2e389ab119e5cbde9d055f38362186917d72ccdec03f6e39e1e7aa4fbb10d31 |
| SHA512 | b35b2b878156b43c8dc38ca830d018ede272664b4a213de7ee2df67688049816d39c2565c7aa4479a6f0c6c46f9f096c5907bf3facb8e65646ae14a0a9cbbf99 |
memory/4832-38-0x0000000000400000-0x0000000000465000-memory.dmp
memory/732-45-0x0000000000400000-0x0000000000465000-memory.dmp
memory/732-46-0x0000000000400000-0x0000000000465000-memory.dmp
memory/732-47-0x0000000000400000-0x0000000000465000-memory.dmp
memory/732-48-0x0000000000400000-0x0000000000465000-memory.dmp
memory/732-54-0x0000000000400000-0x0000000000465000-memory.dmp