Analysis Overview
SHA256
e107f33acf7786523edf7c493735251ab5c16ac5565004d25353e910d4f6297c
Threat Level: Known bad
The file b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Modifies WinLogon for persistence
AsyncRat
Drops startup file
Adds Run key to start application
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Program crash
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-17 11:51
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-17 11:51
Reported
2024-06-17 11:54
Platform
win7-20240419-en
Max time kernel
139s
Max time network
149s
Command Line
Signatures
AsyncRat
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe\"" | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2012 set thread context of 2764 | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe"
C:\Windows\SysWOW64\timeout.exe
timeout 4
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gfhghgfcf.duckdns.org | udp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| US | 8.8.8.8:53 | gfhghgfcf.duckdns.org | udp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
Files
memory/2012-0-0x0000000073FDE000-0x0000000073FDF000-memory.dmp
memory/2012-1-0x000000000FFD0000-0x0000000010084000-memory.dmp
memory/2012-2-0x00000000004A0000-0x00000000004C6000-memory.dmp
memory/2012-4-0x0000000073FD0000-0x00000000746BE000-memory.dmp
memory/2764-5-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2764-20-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2764-17-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2764-15-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2764-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2764-11-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2764-9-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2764-7-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2764-543-0x0000000073FD0000-0x00000000746BE000-memory.dmp
memory/2012-4352-0x0000000073FD0000-0x00000000746BE000-memory.dmp
memory/2764-4353-0x0000000073FD0000-0x00000000746BE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-17 11:51
Reported
2024-06-17 11:54
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
AsyncRat
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe\"" | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1900 set thread context of 4244 | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b8779fb73af8c6c528b6d4520247ca5c_JaffaCakes118.exe"
C:\Windows\SysWOW64\timeout.exe
timeout 4
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1900 -ip 1900
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 1052
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| NL | 23.62.61.88:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| NL | 23.62.61.88:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.131.50.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gfhghgfcf.duckdns.org | udp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | gfhghgfcf.duckdns.org | udp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| CO | 179.14.12.213:8050 | gfhghgfcf.duckdns.org | tcp |
| US | 8.8.8.8:53 | 209.80.50.20.in-addr.arpa | udp |
Files
memory/1900-0-0x000000007508E000-0x000000007508F000-memory.dmp
memory/1900-1-0x0000000000A60000-0x0000000000B14000-memory.dmp
memory/1900-2-0x0000000005480000-0x000000000551C000-memory.dmp
memory/1900-3-0x0000000005410000-0x0000000005436000-memory.dmp
memory/1900-4-0x0000000075080000-0x0000000075830000-memory.dmp
memory/1900-5-0x0000000075080000-0x0000000075830000-memory.dmp
memory/1900-6-0x0000000006380000-0x0000000006924000-memory.dmp
memory/4244-8-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4244-9-0x0000000075080000-0x0000000075830000-memory.dmp
memory/1900-10-0x0000000075080000-0x0000000075830000-memory.dmp
memory/4244-11-0x0000000075080000-0x0000000075830000-memory.dmp
memory/4244-12-0x0000000075080000-0x0000000075830000-memory.dmp