Analysis Overview
SHA256
e60ee107dd301de376b081552a287deb122a6e3b504acb2d9bf925e4b1f2dcf7
Threat Level: Likely malicious
The file e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118 was found to be: Likely malicious.
Malicious Activity Summary
Sets DLL path for service in the registry
Deletes itself
Loads dropped DLL
Drops file in System32 directory
Program crash
Unsigned PE
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:19
Reported
2024-04-07 18:21
Platform
win7-20240220-en
Max time kernel
145s
Max time network
118s
Command Line
Signatures
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\LYTC\Parameters\ServiceDLL = "%SystemRoot%\\system32\\tccj.dll" | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\tccj.dll | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\tccj.dll | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat | C:\Windows\SysWOW64\svchost.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2836 wrote to memory of 2680 | N/A | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2836 wrote to memory of 2680 | N/A | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2836 wrote to memory of 2680 | N/A | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2836 wrote to memory of 2680 | N/A | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
C:\Windows\SysWOW64\cmd.exe
cmd /c DelMe.bat
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | count.jk136.com | udp |
Files
memory/2836-0-0x0000000000400000-0x000000000045D000-memory.dmp
memory/2836-2-0x0000000000400000-0x000000000045D000-memory.dmp
memory/2836-1-0x0000000000220000-0x0000000000238000-memory.dmp
memory/2836-3-0x0000000000400000-0x000000000045D000-memory.dmp
memory/2836-6-0x0000000000400000-0x000000000045D000-memory.dmp
memory/2836-4-0x0000000000240000-0x0000000000241000-memory.dmp
memory/2836-9-0x0000000000400000-0x000000000045D000-memory.dmp
\??\c:\windows\SysWOW64\tccj.dll
| MD5 | 7aec29935cd17c94ddec5daf65850a4a |
| SHA1 | 199716bed3b3685eed134836364b143af53afe97 |
| SHA256 | ba8c0e103051dd5dfa6f7ff6fdfae80d28a390d8008c177fd96f5ad6d6a30843 |
| SHA512 | ad5f24bdd5f779a4a3aff9229509eb3f6f405e367d1e1d6012377dec2d2cfd1e279b38a8d39a3ff5d09b3898197eaf257bae5ae1647af7f3ffba3c6f0529c95b |
C:\Users\Admin\AppData\Local\Temp\DelMe.bat
| MD5 | 316eb5dd14b7214f9bfae9604d554ae8 |
| SHA1 | ae4bdaf209f7e4c4ff8204940803bebb0fb621ad |
| SHA256 | 2082536f6dbb095d76e39546d52d24ea0a4cd1eedec24c071fe537db793e9f80 |
| SHA512 | 3ea38b9f9e803348c82c933e1a734f7e3bbb2ab132065032e86d5ce524d65b519642595b94567b7223cc87aa0547594bf1a28eade1e96e7887ec01c675c5c0d6 |
memory/2668-19-0x0000000000020000-0x000000000002D000-memory.dmp
memory/2836-20-0x0000000000220000-0x0000000000238000-memory.dmp
memory/2668-23-0x0000000000020000-0x000000000002D000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:19
Reported
2024-04-07 18:21
Platform
win10v2004-20240226-en
Max time kernel
92s
Max time network
94s
Command Line
Signatures
Sets DLL path for service in the registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\LYTC\Parameters\ServiceDLL = "%SystemRoot%\\system32\\tccj.dll" | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\tccj.dll | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\tccj.dll | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\svchost.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4900 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4900 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4900 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e58fe6d04e8d9fce1020f532d3f0bd49_JaffaCakes118.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 4900
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 432
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c DelMe.bat
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3764 -ip 3764
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 672
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 216.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | count.jk136.com | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
Files
memory/4900-0-0x0000000000400000-0x000000000045D000-memory.dmp
memory/4900-1-0x00000000021A0000-0x00000000021B8000-memory.dmp
memory/4900-2-0x00000000021A0000-0x00000000021B8000-memory.dmp
memory/4900-3-0x0000000000400000-0x000000000045D000-memory.dmp
memory/4900-4-0x0000000000400000-0x000000000045D000-memory.dmp
memory/4900-6-0x00000000021C0000-0x00000000021C1000-memory.dmp
memory/4900-7-0x0000000000400000-0x000000000045D000-memory.dmp
memory/4900-10-0x0000000000400000-0x000000000045D000-memory.dmp
\??\c:\windows\SysWOW64\tccj.dll
| MD5 | 7aec29935cd17c94ddec5daf65850a4a |
| SHA1 | 199716bed3b3685eed134836364b143af53afe97 |
| SHA256 | ba8c0e103051dd5dfa6f7ff6fdfae80d28a390d8008c177fd96f5ad6d6a30843 |
| SHA512 | ad5f24bdd5f779a4a3aff9229509eb3f6f405e367d1e1d6012377dec2d2cfd1e279b38a8d39a3ff5d09b3898197eaf257bae5ae1647af7f3ffba3c6f0529c95b |
memory/4900-15-0x00000000021A0000-0x00000000021B8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DelMe.bat
| MD5 | 316eb5dd14b7214f9bfae9604d554ae8 |
| SHA1 | ae4bdaf209f7e4c4ff8204940803bebb0fb621ad |
| SHA256 | 2082536f6dbb095d76e39546d52d24ea0a4cd1eedec24c071fe537db793e9f80 |
| SHA512 | 3ea38b9f9e803348c82c933e1a734f7e3bbb2ab132065032e86d5ce524d65b519642595b94567b7223cc87aa0547594bf1a28eade1e96e7887ec01c675c5c0d6 |
memory/3764-18-0x0000000000400000-0x000000000040D000-memory.dmp