Analysis Overview
SHA256
0a1386d2792ce892d9d1de3c021cbf398b1598d19e6d03e8aebafa154a01dc3a
Threat Level: Known bad
The file 12de83f0ab139b1ff0b3befcff587005_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer payload
ISR Stealer
Reads data files stored by FTP clients
Executes dropped EXE
Reads user/profile data of web browsers
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
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 17:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-26 17:52
Reported
2024-06-26 17:55
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
54s
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\Local\Temp\swe4tbye.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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qaap20vxtngl30nz = "C:\\Users\\Admin\\AppData\\Roaming\\qkj5z3l2\\" | C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1892 set thread context of 3908 | N/A | C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe
C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | brobrobro.freeiz.com | udp |
Files
memory/1892-0-0x0000000074A32000-0x0000000074A33000-memory.dmp
memory/1892-1-0x0000000074A30000-0x0000000074FE1000-memory.dmp
memory/1892-2-0x0000000074A30000-0x0000000074FE1000-memory.dmp
memory/3908-5-0x0000000000400000-0x0000000000414000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\swe4tbye.exe
| MD5 | d881de17aa8f2e2c08cbb7b265f928f9 |
| SHA1 | 08936aebc87decf0af6e8eada191062b5e65ac2a |
| SHA256 | b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0 |
| SHA512 | 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34 |
memory/1892-11-0x0000000074A30000-0x0000000074FE1000-memory.dmp
memory/3908-12-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3908-15-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3908-16-0x0000000000400000-0x0000000000414000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-26 17:52
Reported
2024-06-26 17:55
Platform
win7-20231129-en
Max time kernel
121s
Max time network
122s
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\qaap20vxtngl30nz = "C:\\Users\\Admin\\AppData\\Roaming\\qkj5z3l2\\" | C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2988 set thread context of 3012 | N/A | C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12de83f0ab139b1ff0b3befcff587005_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe
C:\Users\Admin\AppData\Local\Temp\bcrk5qdp.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/2988-0-0x0000000074071000-0x0000000074072000-memory.dmp
memory/2988-1-0x0000000074070000-0x000000007461B000-memory.dmp
memory/2988-2-0x0000000074070000-0x000000007461B000-memory.dmp
\Users\Admin\AppData\Local\Temp\bcrk5qdp.exe
| MD5 | 34aa912defa18c2c129f1e09d75c1d7e |
| SHA1 | 9c3046324657505a30ecd9b1fdb46c05bde7d470 |
| SHA256 | 6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386 |
| SHA512 | d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98 |
memory/3012-7-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2988-10-0x0000000074070000-0x000000007461B000-memory.dmp
memory/3012-14-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3012-17-0x0000000000400000-0x0000000000414000-memory.dmp