Analysis Overview
SHA256
147d359ed39c5b5c4bf99afcbb8c49e129413d682fec4677e0274a3d2640d005
Threat Level: Shows suspicious behavior
The file 0391b3974634264f55093f682c0568e1_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
ASPack v2.12-2.42
Writes to the Master Boot Record (MBR)
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 19:15
Signatures
ASPack v2.12-2.42
| 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
2024-06-22 19:15
Reported
2024-06-22 19:17
Platform
win7-20240611-en
Max time kernel
118s
Max time network
123s
Command Line
Signatures
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0391b3974634264f55093f682c0568e1_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{47EDC62E-1F83-49E3-83D6-0679E1C97BD6} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader_s.DLL\AppID = "{47EDC62E-1F83-49E3-83D6-0679E1C97BD6}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{47EDC62E-1F83-49E3-83D6-0679E1C97BD6}\ = "loader_s" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader_s.DLL | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\ = "loader_s 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 2664 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 2664 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 2664 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 2664 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 2664 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 2664 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2080 wrote to memory of 2664 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0391b3974634264f55093f682c0568e1_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\0391b3974634264f55093f682c0568e1_JaffaCakes118.dll
Network
Files
memory/2664-0-0x0000000074CC0000-0x0000000074D07000-memory.dmp
memory/2664-1-0x0000000000240000-0x0000000000270000-memory.dmp
memory/2664-2-0x0000000000140000-0x0000000000143000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 19:15
Reported
2024-06-22 19:17
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader_s.DLL | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\ = "loader_s 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader_s.DLL\AppID = "{47EDC62E-1F83-49E3-83D6-0679E1C97BD6}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0391b3974634264f55093f682c0568e1_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{47EDC62E-1F83-49E3-83D6-0679E1C97BD6} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{47EDC62E-1F83-49E3-83D6-0679E1C97BD6}\ = "loader_s" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C239C130-E16D-4151-81F8-85E3B6A647C0}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3580 wrote to memory of 880 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3580 wrote to memory of 880 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 3580 wrote to memory of 880 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0391b3974634264f55093f682c0568e1_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\0391b3974634264f55093f682c0568e1_JaffaCakes118.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.173.189.20.in-addr.arpa | udp |
Files
memory/880-1-0x0000000000820000-0x0000000000850000-memory.dmp
memory/880-0-0x0000000074C90000-0x0000000074CD7000-memory.dmp
memory/880-2-0x00000000007F0000-0x00000000007F3000-memory.dmp
memory/880-33-0x0000000002330000-0x0000000002331000-memory.dmp
memory/880-32-0x0000000002300000-0x0000000002301000-memory.dmp
memory/880-31-0x0000000002310000-0x0000000002311000-memory.dmp
memory/880-30-0x00000000022E0000-0x00000000022E1000-memory.dmp
memory/880-29-0x00000000022F0000-0x00000000022F1000-memory.dmp
memory/880-28-0x00000000022C0000-0x00000000022C1000-memory.dmp
memory/880-27-0x00000000022D0000-0x00000000022D1000-memory.dmp
memory/880-26-0x00000000022A0000-0x00000000022A1000-memory.dmp
memory/880-25-0x00000000022B0000-0x00000000022B1000-memory.dmp
memory/880-24-0x0000000002280000-0x0000000002281000-memory.dmp
memory/880-23-0x0000000002290000-0x0000000002291000-memory.dmp
memory/880-22-0x0000000002260000-0x0000000002261000-memory.dmp
memory/880-21-0x0000000002270000-0x0000000002271000-memory.dmp
memory/880-20-0x0000000002240000-0x0000000002241000-memory.dmp
memory/880-19-0x0000000002250000-0x0000000002251000-memory.dmp
memory/880-18-0x0000000002210000-0x0000000002211000-memory.dmp
memory/880-17-0x0000000002220000-0x0000000002221000-memory.dmp
memory/880-16-0x00000000021F0000-0x00000000021F1000-memory.dmp
memory/880-15-0x0000000002200000-0x0000000002201000-memory.dmp
memory/880-14-0x00000000021D0000-0x00000000021D1000-memory.dmp
memory/880-13-0x00000000021E0000-0x00000000021E1000-memory.dmp
memory/880-12-0x00000000021B0000-0x00000000021B1000-memory.dmp
memory/880-11-0x00000000021C0000-0x00000000021C1000-memory.dmp
memory/880-10-0x0000000002190000-0x0000000002191000-memory.dmp
memory/880-9-0x00000000021A0000-0x00000000021A1000-memory.dmp
memory/880-8-0x0000000002170000-0x0000000002171000-memory.dmp
memory/880-7-0x0000000002180000-0x0000000002181000-memory.dmp
memory/880-6-0x0000000000740000-0x0000000000741000-memory.dmp
memory/880-5-0x0000000000730000-0x0000000000731000-memory.dmp
memory/880-4-0x0000000000800000-0x0000000000801000-memory.dmp
memory/880-3-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/880-34-0x0000000002330000-0x0000000002331000-memory.dmp