Analysis Overview
SHA256
436ebc3aa03e072cc805fb19853ae6c43be065b416378c7d1e85281bfaff2204
Threat Level: Shows suspicious behavior
The file e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 23:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 23:59
Reported
2024-04-07 00:02
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
153s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\fxstaller.exe | N/A |
| N/A | N/A | C:\Windows\fxstaller.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows UDP Control Center = "fxstaller.exe" | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3416 set thread context of 4980 | N/A | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe |
| PID 4752 set thread context of 2232 | N/A | C:\Windows\fxstaller.exe | C:\Windows\fxstaller.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\fxstaller.exe | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\fxstaller.exe | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\fxstaller.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe"
C:\Windows\fxstaller.exe
"C:\Windows\fxstaller.exe"
C:\Windows\fxstaller.exe
"C:\Windows\fxstaller.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
Files
memory/4980-2-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4980-4-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4980-5-0x0000000000400000-0x000000000044C000-memory.dmp
C:\Windows\fxstaller.exe
| MD5 | e398d11d48cb29ad19b6f8c397d17075 |
| SHA1 | fc9c24d10314584c19189d2ee2861291f6124b73 |
| SHA256 | 436ebc3aa03e072cc805fb19853ae6c43be065b416378c7d1e85281bfaff2204 |
| SHA512 | 3d5c61155cf120cd0a5fdb8e4c18c44513f5bf46b8f6b1619821be6f98fcb37ab1fb4d9ec24ad42f3e9e6403c412bedc5b884d8b84ddc42a93c31a1c4ac60e73 |
memory/2232-17-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-18-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4980-19-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-21-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-22-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-23-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-24-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-25-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-26-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-27-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-28-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-29-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-30-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-31-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-32-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-33-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2232-34-0x0000000000400000-0x000000000044C000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 23:59
Reported
2024-04-07 00:01
Platform
win7-20240220-en
Max time kernel
147s
Max time network
117s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\fxstaller.exe | N/A |
| N/A | N/A | C:\Windows\fxstaller.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows UDP Control Center = "fxstaller.exe" | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2872 set thread context of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe |
| PID 2564 set thread context of 2528 | N/A | C:\Windows\fxstaller.exe | C:\Windows\fxstaller.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\fxstaller.exe | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\fxstaller.exe | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\fxstaller.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e398d11d48cb29ad19b6f8c397d17075_JaffaCakes118.exe"
C:\Windows\fxstaller.exe
"C:\Windows\fxstaller.exe"
C:\Windows\fxstaller.exe
"C:\Windows\fxstaller.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | bb.malsiachat.net | udp |
Files
memory/2504-4-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2504-2-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2504-6-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2504-7-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2504-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2504-10-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2504-12-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2504-13-0x0000000000400000-0x000000000044C000-memory.dmp
C:\Windows\fxstaller.exe
| MD5 | e398d11d48cb29ad19b6f8c397d17075 |
| SHA1 | fc9c24d10314584c19189d2ee2861291f6124b73 |
| SHA256 | 436ebc3aa03e072cc805fb19853ae6c43be065b416378c7d1e85281bfaff2204 |
| SHA512 | 3d5c61155cf120cd0a5fdb8e4c18c44513f5bf46b8f6b1619821be6f98fcb37ab1fb4d9ec24ad42f3e9e6403c412bedc5b884d8b84ddc42a93c31a1c4ac60e73 |
memory/2528-36-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-37-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2504-38-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-40-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-41-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-42-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-43-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-44-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-45-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-46-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-47-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-48-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-49-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-50-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-51-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-52-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2528-53-0x0000000000400000-0x000000000044C000-memory.dmp