Analysis Overview
SHA256
ac2afda9e5df38f43680fc64b6718167593d940d9c1986037d128b459f42c327
Threat Level: Likely malicious
The file 1a35caea333db3be203aa25000987fb4_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Event Triggered Execution: AppInit DLLs
Checks computer location settings
VMProtect packed file
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Runs .reg file with regedit
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 12:59
Signatures
VMProtect packed file
| 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: behavioral2
Detonation Overview
Submitted
2024-06-28 12:59
Reported
2024-06-28 13:01
Platform
win10v2004-20240611-en
Max time kernel
130s
Max time network
101s
Command Line
Signatures
Event Triggered Execution: AppInit DLLs
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\cmd.exe | N/A |
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\"" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000_Classes\Local Settings | C:\Windows\SysWOW64\cmd.exe | N/A |
Runs .reg file with regedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regedit.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2236 wrote to memory of 1844 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2236 wrote to memory of 1844 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2236 wrote to memory of 1844 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1844 wrote to memory of 2220 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1844 wrote to memory of 2220 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 1844 wrote to memory of 2220 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2220 wrote to memory of 2488 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\regedit.exe |
| PID 2220 wrote to memory of 2488 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\regedit.exe |
| PID 2220 wrote to memory of 2488 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\regedit.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a35caea333db3be203aa25000987fb4_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a35caea333db3be203aa25000987fb4_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
C:\Windows\SysWOW64\regedit.exe
"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.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 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.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 | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/1844-0-0x0000000010000000-0x000000001000F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\a.reg
| MD5 | b100f5324ef74ded0b998e64d07a2e19 |
| SHA1 | 40b0d7f51bf2dd8451f1b723d21355c471a5fa46 |
| SHA256 | 3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042 |
| SHA512 | c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 12:59
Reported
2024-06-28 13:01
Platform
win7-20240508-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Event Triggered Execution: AppInit DLLs
VMProtect packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\"" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Runs .reg file with regedit
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\regedit.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a35caea333db3be203aa25000987fb4_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a35caea333db3be203aa25000987fb4_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
C:\Windows\SysWOW64\regedit.exe
"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
Network
Files
memory/2096-0-0x0000000010000000-0x000000001000F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\a.reg
| MD5 | b100f5324ef74ded0b998e64d07a2e19 |
| SHA1 | 40b0d7f51bf2dd8451f1b723d21355c471a5fa46 |
| SHA256 | 3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042 |
| SHA512 | c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04 |