Analysis Overview
SHA256
8c0e1f0cb5679571cf2b129c98853018823e0e7674cfc7c5973d4053dfda0578
Threat Level: Known bad
The file 13a199850a238ceff22998dd97323260_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer
ISR Stealer payload
Reads data files stored by FTP clients
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Program crash
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-26 22:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 22:05
Reported
2024-06-26 22:08
Platform
win7-20240221-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
ISR Stealer
ISR Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\13a199850a238ceff22998dd97323260_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\13a199850a238ceff22998dd97323260_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\yregxj1ex6\\u9qz1x.exe" | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2864 set thread context of 2868 | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\13a199850a238ceff22998dd97323260_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\13a199850a238ceff22998dd97323260_JaffaCakes118.exe"
C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe
"C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe"
C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe
"C:\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | brobrobro.freeiz.com | udp |
| US | 153.92.0.100:80 | brobrobro.freeiz.com | tcp |
Files
memory/2232-1-0x0000000000020000-0x0000000000021000-memory.dmp
\Users\Admin\AppData\Roaming\yregxj1ex6\u9qz1x.exe
| MD5 | 13a199850a238ceff22998dd97323260 |
| SHA1 | e80c4eac7d8f04bae6b7ca7cc3f4df0d0efb0f22 |
| SHA256 | 8c0e1f0cb5679571cf2b129c98853018823e0e7674cfc7c5973d4053dfda0578 |
| SHA512 | 4bff87799025997a9013ce692257ac0895c518f2dd899988f6800fe245a8c40342673f949035996737aeb7eb68ba19acf163ababea4219cc8a857fc17c6d3fb8 |
memory/2868-11-0x0000000000400000-0x000000000041A000-memory.dmp
memory/2868-17-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2868-19-0x0000000000400000-0x000000000041A000-memory.dmp
memory/2868-20-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 22:05
Reported
2024-06-26 22:08
Platform
win10v2004-20240611-en
Max time kernel
137s
Max time network
128s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\13a199850a238ceff22998dd97323260_JaffaCakes118.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\13a199850a238ceff22998dd97323260_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\13a199850a238ceff22998dd97323260_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2128 -ip 2128
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 248
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 |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
Files
memory/2128-0-0x00000000001F0000-0x00000000001F1000-memory.dmp