Analysis Overview
SHA256
86722dd18841f9ddf3537c42af0d69c4a990f4db6f643374595e98d678f4f7c3
Threat Level: Shows suspicious behavior
The file f1594abdc390ac24693b17e22c1ad433_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
ASPack v2.12-2.42
Installs/modifies Browser Helper Object
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-15 15:08
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
2024-04-15 15:08
Reported
2024-04-15 15:10
Platform
win7-20240220-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\ = "Äîñòóï ê ïëàòíîìó êîíòåíòó FieryAds v2.0.2" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2364 wrote to memory of 1964 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2364 wrote to memory of 1964 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2364 wrote to memory of 1964 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2364 wrote to memory of 1964 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2364 wrote to memory of 1964 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2364 wrote to memory of 1964 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2364 wrote to memory of 1964 | 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\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll
Network
Files
memory/1964-0-0x0000000002300000-0x0000000002445000-memory.dmp
memory/1964-1-0x0000000003590000-0x0000000003592000-memory.dmp
memory/1964-2-0x0000000000370000-0x00000000003CA000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-15 15:08
Reported
2024-04-15 15:10
Platform
win10v2004-20240412-en
Max time kernel
93s
Max time network
122s
Command Line
Signatures
Installs/modifies Browser Helper Object
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32\ThreadingModel = "Apartment" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\ = "Äîñòóï ê ïëàòíîìó êîíòåíòó FieryAds v2.0.2" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41} | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\ | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32 | C:\Windows\SysWOW64\regsvr32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6D125299-C2A9-4DBC-BEC3-6F7124E39A41}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll" | C:\Windows\SysWOW64\regsvr32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5072 wrote to memory of 944 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 5072 wrote to memory of 944 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\SysWOW64\regsvr32.exe |
| PID 5072 wrote to memory of 944 | 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\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll
C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\f1594abdc390ac24693b17e22c1ad433_JaffaCakes118.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.159.190.20.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 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 37.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/944-0-0x0000000000400000-0x0000000000545000-memory.dmp
memory/944-2-0x00000000024E0000-0x000000000253A000-memory.dmp
memory/944-1-0x0000000000400000-0x0000000000545000-memory.dmp
memory/944-3-0x00000000024C0000-0x00000000024C1000-memory.dmp
memory/944-4-0x0000000003550000-0x0000000003551000-memory.dmp
memory/944-5-0x0000000003540000-0x0000000003542000-memory.dmp
memory/944-6-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
memory/944-7-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
memory/944-8-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
memory/944-9-0x0000000003540000-0x0000000003541000-memory.dmp
memory/944-10-0x00000000028C0000-0x00000000028C1000-memory.dmp