Analysis Overview
SHA256
57ff95b705fb01497d867c695b4c749e19fe2d11f20310b17ac3723d17856b36
Threat Level: Shows suspicious behavior
The file 0464e88146cf780367e6a7a78229aeaa_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
Program crash
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-22 23:32
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 23:32
Reported
2024-06-22 23:35
Platform
win7-20231129-en
Max time kernel
118s
Max time network
119s
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\{C85E2990-D4B6-44F5-A323-ED943493F8DF} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS\ = "0" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{D103EBF9-6DD5-4715-863A-00AA27C7935A}\ = "loader" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\FLAGS | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\ = "loader 1.0 Type Library" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\loader.DLL\AppID = "{D103EBF9-6DD5-4715-863A-00AA27C7935A}" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C85E2990-D4B6-44F5-A323-ED943493F8DF}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" | 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\.key\ = "regfile" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2360 wrote to memory of 1712 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2360 wrote to memory of 1712 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2360 wrote to memory of 1712 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2360 wrote to memory of 1712 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2360 wrote to memory of 1712 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2360 wrote to memory of 1712 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2360 wrote to memory of 1712 | 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\0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll
Network
Files
memory/1712-0-0x0000000010000000-0x0000000010041000-memory.dmp
memory/1712-1-0x0000000000290000-0x00000000002C0000-memory.dmp
memory/1712-2-0x0000000000280000-0x0000000000283000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-22 23:32
Reported
2024-06-22 23:35
Platform
win10v2004-20240226-en
Max time kernel
140s
Max time network
151s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\regsvr32.exe |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.key | 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 1596 wrote to memory of 1884 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1596 wrote to memory of 1884 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 1596 wrote to memory of 1884 | 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\0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\0464e88146cf780367e6a7a78229aeaa_JaffaCakes118.dll
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1884 -ip 1884
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 700
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.73.42.20.in-addr.arpa | udp |
Files
memory/1884-0-0x0000000010000000-0x0000000010041000-memory.dmp
memory/1884-1-0x00000000021C0000-0x00000000021F0000-memory.dmp
memory/1884-2-0x00000000006D0000-0x00000000006D3000-memory.dmp
memory/1884-8-0x0000000002370000-0x0000000002371000-memory.dmp
memory/1884-10-0x0000000002390000-0x0000000002391000-memory.dmp
memory/1884-52-0x0000000002650000-0x0000000002651000-memory.dmp
memory/1884-51-0x0000000002630000-0x0000000002631000-memory.dmp
memory/1884-50-0x0000000002640000-0x0000000002641000-memory.dmp
memory/1884-49-0x0000000002620000-0x0000000002621000-memory.dmp
memory/1884-48-0x0000000002600000-0x0000000002601000-memory.dmp
memory/1884-47-0x0000000002610000-0x0000000002611000-memory.dmp
memory/1884-46-0x00000000025E0000-0x00000000025E1000-memory.dmp
memory/1884-45-0x00000000025F0000-0x00000000025F1000-memory.dmp
memory/1884-44-0x00000000025C0000-0x00000000025C1000-memory.dmp
memory/1884-43-0x00000000025D0000-0x00000000025D1000-memory.dmp
memory/1884-42-0x00000000025A0000-0x00000000025A1000-memory.dmp
memory/1884-41-0x00000000025B0000-0x00000000025B1000-memory.dmp
memory/1884-40-0x0000000002580000-0x0000000002581000-memory.dmp
memory/1884-39-0x0000000002590000-0x0000000002591000-memory.dmp
memory/1884-38-0x0000000002560000-0x0000000002561000-memory.dmp
memory/1884-37-0x0000000002570000-0x0000000002571000-memory.dmp
memory/1884-36-0x0000000002540000-0x0000000002541000-memory.dmp
memory/1884-35-0x0000000002550000-0x0000000002551000-memory.dmp
memory/1884-34-0x0000000002520000-0x0000000002521000-memory.dmp
memory/1884-33-0x0000000002530000-0x0000000002531000-memory.dmp
memory/1884-32-0x0000000002500000-0x0000000002501000-memory.dmp
memory/1884-31-0x0000000002510000-0x0000000002511000-memory.dmp
memory/1884-30-0x00000000024E0000-0x00000000024E1000-memory.dmp
memory/1884-29-0x00000000024F0000-0x00000000024F1000-memory.dmp
memory/1884-28-0x00000000024B0000-0x00000000024B1000-memory.dmp
memory/1884-27-0x00000000024D0000-0x00000000024D1000-memory.dmp
memory/1884-26-0x0000000002490000-0x0000000002491000-memory.dmp
memory/1884-25-0x00000000024A0000-0x00000000024A1000-memory.dmp
memory/1884-24-0x0000000002470000-0x0000000002471000-memory.dmp
memory/1884-23-0x0000000002480000-0x0000000002481000-memory.dmp
memory/1884-22-0x0000000002450000-0x0000000002451000-memory.dmp
memory/1884-21-0x0000000002460000-0x0000000002461000-memory.dmp
memory/1884-20-0x0000000002430000-0x0000000002431000-memory.dmp
memory/1884-19-0x0000000002440000-0x0000000002441000-memory.dmp
memory/1884-18-0x0000000002410000-0x0000000002411000-memory.dmp
memory/1884-17-0x0000000002420000-0x0000000002421000-memory.dmp
memory/1884-16-0x00000000023F0000-0x00000000023F1000-memory.dmp
memory/1884-15-0x0000000002400000-0x0000000002401000-memory.dmp
memory/1884-14-0x00000000023D0000-0x00000000023D1000-memory.dmp
memory/1884-13-0x00000000023E0000-0x00000000023E1000-memory.dmp
memory/1884-12-0x00000000023B0000-0x00000000023B1000-memory.dmp
memory/1884-11-0x00000000023C0000-0x00000000023C1000-memory.dmp
memory/1884-9-0x00000000023A0000-0x00000000023A1000-memory.dmp
memory/1884-7-0x0000000002380000-0x0000000002381000-memory.dmp
memory/1884-6-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/1884-5-0x0000000000690000-0x0000000000691000-memory.dmp
memory/1884-4-0x00000000006E0000-0x00000000006E1000-memory.dmp
memory/1884-3-0x00000000006C0000-0x00000000006C1000-memory.dmp
memory/1884-53-0x0000000010000000-0x0000000010041000-memory.dmp
memory/1884-54-0x0000000002660000-0x0000000002661000-memory.dmp
memory/1884-57-0x00000000021C0000-0x00000000021F0000-memory.dmp
memory/1884-56-0x0000000010000000-0x0000000010041000-memory.dmp