Analysis Overview
SHA256
d3a7b7b8400ecf781dcfccd1160783d198cc906e4b96906b9624d950b506b1fc
Threat Level: Shows suspicious behavior
The file JaffaCakes118_4392a267463ca34065f7d7a946ce6361 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Deletes itself
Executes dropped EXE
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Modifies data under HKEY_USERS
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-27 20:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-27 20:51
Reported
2025-01-27 20:54
Platform
win7-20240708-en
Max time kernel
147s
Max time network
120s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Utility Mang.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Utility Mang.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | N/A |
| File opened for modification | C:\Windows\Utility Mang.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | N/A |
| File created | C:\Windows\Uer.bat | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Utility Mang.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\MediaProperties\PrivateProperties\Joystick\Winmm\wheel = "1" | C:\Windows\Utility Mang.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\MediaProperties\PrivateProperties\Joystick\Winmm | C:\Windows\Utility Mang.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet | C:\Windows\Utility Mang.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control | C:\Windows\Utility Mang.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\MediaProperties | C:\Windows\Utility Mang.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\MediaProperties\PrivateProperties | C:\Windows\Utility Mang.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\MediaProperties\PrivateProperties\Joystick\Winmm | C:\Windows\Utility Mang.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\System | C:\Windows\Utility Mang.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\MediaProperties\PrivateProperties\Joystick | C:\Windows\Utility Mang.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Utility Mang.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe"
C:\Windows\Utility Mang.exe
"C:\Windows\Utility Mang.exe"
C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Windows\Uer.bat
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | l625985028.gicp.net | udp |
Files
memory/2404-0-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/2404-1-0x0000000000260000-0x0000000000261000-memory.dmp
memory/2404-2-0x0000000000260000-0x0000000000261000-memory.dmp
C:\Windows\Utility Mang.exe
| MD5 | 4392a267463ca34065f7d7a946ce6361 |
| SHA1 | f0f35c157dba389858ec3fe3bf71769dc22f81c9 |
| SHA256 | d3a7b7b8400ecf781dcfccd1160783d198cc906e4b96906b9624d950b506b1fc |
| SHA512 | 863300a9cb3c05d0903fe461fed248168450b9c1c363d42a3d806bac42c776287d9f17d3dc5692dcfefdf476d7a66f2c4bc365ab59df190dec6d844f533e69a9 |
memory/2408-6-0x0000000000260000-0x0000000000261000-memory.dmp
C:\Windows\Uer.bat
| MD5 | b1cbe41d15542f7b30c4cd501f6d3f2c |
| SHA1 | bc9932c60d777fb68795433444f716494fc3e3dd |
| SHA256 | 44abe5a681992bbc1a09c2a674df09cbed77e0493fef5db06d83731ba34f7341 |
| SHA512 | 08eab59b01b6bcb4417dfe77b4d54c617e9d7d6c12d27def70dc41659c6f20f7fed3f779cfeb130bb924515c4b2418568e7e1834ba34506f52e4bdff0fa73999 |
memory/2404-15-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/2408-17-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/2408-18-0x0000000000260000-0x0000000000261000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-27 20:51
Reported
2025-01-28 09:22
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Utility Mang.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Utility Mang.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | N/A |
| File opened for modification | C:\Windows\Utility Mang.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | N/A |
| File created | C:\Windows\Uer.bat | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Utility Mang.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Utility Mang.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Utility Mang.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2340 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2340 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2340 wrote to memory of 2112 | N/A | C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 3148 wrote to memory of 548 | N/A | C:\Windows\Utility Mang.exe | C:\Program Files\Internet Explorer\IEXPLORE.EXE |
| PID 3148 wrote to memory of 548 | N/A | C:\Windows\Utility Mang.exe | C:\Program Files\Internet Explorer\IEXPLORE.EXE |
Processes
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4392a267463ca34065f7d7a946ce6361.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2340 -ip 2340
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 568
C:\Windows\Utility Mang.exe
"C:\Windows\Utility Mang.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3148 -ip 3148
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 544
C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\Uer.bat
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 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 184.115.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | l625985028.gicp.net | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 70.252.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | l625985028.gicp.net | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | l625985028.gicp.net | udp |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2340-0-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/2340-1-0x0000000002250000-0x0000000002251000-memory.dmp
memory/2340-2-0x00000000023B0000-0x00000000023B1000-memory.dmp
C:\Windows\Utility Mang.exe
| MD5 | 4392a267463ca34065f7d7a946ce6361 |
| SHA1 | f0f35c157dba389858ec3fe3bf71769dc22f81c9 |
| SHA256 | d3a7b7b8400ecf781dcfccd1160783d198cc906e4b96906b9624d950b506b1fc |
| SHA512 | 863300a9cb3c05d0903fe461fed248168450b9c1c363d42a3d806bac42c776287d9f17d3dc5692dcfefdf476d7a66f2c4bc365ab59df190dec6d844f533e69a9 |
memory/3148-7-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
memory/2340-10-0x0000000000400000-0x00000000004E3000-memory.dmp
C:\Windows\Uer.bat
| MD5 | b1cbe41d15542f7b30c4cd501f6d3f2c |
| SHA1 | bc9932c60d777fb68795433444f716494fc3e3dd |
| SHA256 | 44abe5a681992bbc1a09c2a674df09cbed77e0493fef5db06d83731ba34f7341 |
| SHA512 | 08eab59b01b6bcb4417dfe77b4d54c617e9d7d6c12d27def70dc41659c6f20f7fed3f779cfeb130bb924515c4b2418568e7e1834ba34506f52e4bdff0fa73999 |
memory/3148-12-0x0000000000400000-0x00000000004E3000-memory.dmp
memory/3148-13-0x0000000000DD0000-0x0000000000DD1000-memory.dmp
memory/3148-14-0x0000000000DF0000-0x0000000000DF1000-memory.dmp