Analysis Overview
SHA256
474f13805ec346c7514fb92dc35ab449848da6a3f1152ef6104ffc8f46c6c364
Threat Level: Likely malicious
The file 19c9ebb9f0f15b7a84db4101836656f0_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 10:28
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: behavioral1
Detonation Overview
Submitted
2024-06-28 10:28
Reported
2024-06-28 10:31
Platform
win7-20240611-en
Max time kernel
121s
Max time network
121s
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\19c9ebb9f0f15b7a84db4101836656f0_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19c9ebb9f0f15b7a84db4101836656f0_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/1568-0-0x0000000010000000-0x000000001000F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\a.reg
| MD5 | b100f5324ef74ded0b998e64d07a2e19 |
| SHA1 | 40b0d7f51bf2dd8451f1b723d21355c471a5fa46 |
| SHA256 | 3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042 |
| SHA512 | c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-28 10:28
Reported
2024-06-28 10:31
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Event Triggered Execution: AppInit DLLs
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\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-1-5-21-4204450073-1267028356-951339405-1000_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 4976 wrote to memory of 3624 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4976 wrote to memory of 3624 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4976 wrote to memory of 3624 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3624 wrote to memory of 3608 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3624 wrote to memory of 3608 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3624 wrote to memory of 3608 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3608 wrote to memory of 652 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\regedit.exe |
| PID 3608 wrote to memory of 652 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\regedit.exe |
| PID 3608 wrote to memory of 652 | 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\19c9ebb9f0f15b7a84db4101836656f0_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19c9ebb9f0f15b7a84db4101836656f0_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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| BE | 88.221.83.184:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 184.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/3624-0-0x0000000010000000-0x000000001000F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\a.reg
| MD5 | b100f5324ef74ded0b998e64d07a2e19 |
| SHA1 | 40b0d7f51bf2dd8451f1b723d21355c471a5fa46 |
| SHA256 | 3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042 |
| SHA512 | c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04 |