Analysis Overview
SHA256
24ea81e04618ce6884bd241fa03f7dea6e8eed01d4c3e3dc2a5fd2410187b60d
Threat Level: Known bad
The file d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer
ISR Stealer payload
UPX packed file
Reads user/profile data of web browsers
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-05 16:44
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-05 16:44
Reported
2024-04-05 16:47
Platform
win7-20240319-en
Max time kernel
121s
Max time network
123s
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 |
Reads user/profile data of web browsers
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\MvaKoAss0Vo83Wo4 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1940 set thread context of 3056 | N/A | C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 3056 set thread context of 2548 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 3056 set thread context of 2436 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\8Gyz81Zico.ini"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\tUHBrAuZ3g.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | planettemalade.com | udp |
| US | 160.202.84.215:80 | planettemalade.com | tcp |
| US | 8.8.8.8:53 | www.planettemalade.com | udp |
| US | 160.202.84.215:80 | www.planettemalade.com | tcp |
Files
memory/3056-2-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3056-0-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3056-4-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3056-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3056-8-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2548-13-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2548-15-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2548-17-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2548-18-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2548-19-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2548-21-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\8Gyz81Zico.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/3056-24-0x0000000000400000-0x0000000000442000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-05 16:44
Reported
2024-04-05 16:47
Platform
win10v2004-20240226-en
Max time kernel
93s
Max time network
129s
Command Line
Signatures
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\5iiiDDii5wYDWa3W = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4488 set thread context of 4612 | N/A | C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4488 wrote to memory of 4612 | N/A | C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 4488 wrote to memory of 4612 | N/A | C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 4488 wrote to memory of 4612 | N/A | C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
| PID 4488 wrote to memory of 4612 | N/A | C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d92a907d735a8937e7fdb7b6163f48be_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4612 -ip 4612
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 80
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |