Analysis Overview
SHA256
bb89ac25f39176f45de4a94ad9d12767b20d78b80bdd30250c616e2262a42b9c
Threat Level: Likely malicious
The file 4e4503798fcd4063f3535ea52e432c62_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Disables Task Manager via registry modification
Deletes itself
Sets desktop wallpaper using registry
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-16 18:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-16 18:08
Reported
2024-10-16 18:11
Platform
win7-20240729-en
Max time kernel
16s
Max time network
17s
Command Line
Signatures
Disables Task Manager via registry modification
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Themes\\TranscodedWallpaper.jpg" | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
Enumerates physical storage devices
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\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Desktop\General | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "C:\\Users\\Admin\\Pictures\\My Wallpaper.jpg" | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe" del
C:\Windows\SysWOW64\cmd.exe
/c del C:\Users\Admin\AppData\Local\Temp\4E4503~1.EXE.tmp >> NUL
Network
Files
memory/3020-4-0x0000000000400000-0x000000000041D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-16 18:08
Reported
2024-10-16 18:11
Platform
win10v2004-20241007-en
Max time kernel
139s
Max time network
125s
Command Line
Signatures
Disables Task Manager via registry modification
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\Desktop\Wallpaper = "\x01" | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
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\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Desktop\General | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Desktop\General\WallpaperSource = "\x01" | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4e4503798fcd4063f3535ea52e432c62_JaffaCakes118.exe" del
C:\Windows\SysWOW64\cmd.exe
/c del C:\Users\Admin\AppData\Local\Temp\4E4503~1.EXE.tmp >> NUL
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/1132-0-0x0000000000400000-0x000000000041D000-memory.dmp