Analysis Overview
SHA256
bd370f0bbb80019c52097d59e5669480062dcf09a914f7057697861c44e6c5fb
Threat Level: Likely malicious
The file e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Uses Session Manager for persistence
Modifies Windows Firewall
Stops running service(s)
Adds Run key to start application
Drops file in System32 directory
Drops file in Windows directory
Launches sc.exe
Program crash
Unsigned PE
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:50
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:50
Reported
2024-04-07 18:53
Platform
win7-20240221-en
Max time kernel
150s
Max time network
122s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Stops running service(s)
Uses Session Manager for persistence
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SYSTEM\ControlSet002\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000 | C:\Windows\SysWOW64\reg.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winexec32 = "C:\\windows\\system\\win.exe" | C:\Users\Admin\AppData\Local\Temp\e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\chkcheck0001.txt | C:\Users\Admin\AppData\Local\Temp\e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\windows\system\win.exe | C:\Users\Admin\AppData\Local\Temp\e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118.exe | N/A |
Launches sc.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\sc.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /tn startt /tr c:\start.bat /sc onstart /ru system
C:\Windows\SysWOW64\sc.exe
sc delete GbpSv
C:\Windows\SysWOW64\reg.exe
reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
C:\Windows\SysWOW64\reg.exe
reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
C:\Windows\SysWOW64\reg.exe
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram C:\windows\system\win.exe RPCCC
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | icked.servegame.org | udp |
| US | 8.8.8.8:53 | kromeangels.my-webs.org | udp |
| US | 199.59.243.225:80 | kromeangels.my-webs.org | tcp |
| US | 8.8.8.8:53 | zillion.servegame.org | udp |
Files
memory/2004-1-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-0-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-3-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-2-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-4-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-5-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-8-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-9-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-7-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-6-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-10-0x0000000074FC0000-0x0000000074FC9000-memory.dmp
memory/2004-11-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/2004-12-0x0000000075AF0000-0x0000000075AFA000-memory.dmp
memory/2004-13-0x00000000750F0000-0x00000000750FC000-memory.dmp
memory/2004-14-0x0000000075960000-0x0000000075A50000-memory.dmp
memory/2004-17-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-18-0x00000000749E0000-0x0000000074A2F000-memory.dmp
memory/2004-19-0x00000000776B0000-0x00000000776B6000-memory.dmp
memory/2004-16-0x0000000074A30000-0x0000000074A88000-memory.dmp
memory/2004-20-0x0000000074A30000-0x0000000074A37000-memory.dmp
memory/2004-22-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-21-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-25-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-27-0x000000007EF50000-0x000000007EFAC000-memory.dmp
memory/2004-26-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-28-0x00000000002B0000-0x00000000002B1000-memory.dmp
memory/2004-29-0x0000000075AF0000-0x0000000075AFA000-memory.dmp
memory/2004-30-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-31-0x00000000750F0000-0x00000000750FC000-memory.dmp
memory/2004-32-0x0000000075960000-0x0000000075A50000-memory.dmp
memory/2004-33-0x0000000074A30000-0x0000000074A88000-memory.dmp
memory/2004-34-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-35-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-36-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-37-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-38-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-39-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-40-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-41-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-42-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-43-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-44-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/2004-45-0x0000000000400000-0x0000000001A15000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:50
Reported
2024-04-07 18:53
Platform
win10v2004-20240226-en
Max time kernel
93s
Max time network
128s
Command Line
Signatures
Program crash
Processes
C:\Users\Admin\AppData\Local\Temp\e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e59dca85902bb70d7d68aa4fed77abfd_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1328 -ip 1328
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 572
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1328 -ip 1328
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 572
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
Files
memory/1328-0-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-2-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/1328-1-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-3-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-4-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-5-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-6-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-8-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-7-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-9-0x000000007FDF0000-0x000000007FE4C000-memory.dmp
memory/1328-10-0x0000000000400000-0x0000000001A15000-memory.dmp
memory/1328-12-0x000000007FDF0000-0x000000007FE4C000-memory.dmp