Analysis Overview
SHA256
3922e0e99e701fac316e6324f360556fb11dcb23568dced0fc120971eb7b280f
Threat Level: Shows suspicious behavior
The file e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 21:48
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 21:48
Reported
2024-04-06 21:51
Platform
win7-20240221-en
Max time kernel
141s
Max time network
124s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\vKz6Bis1d8oda4r.exe | N/A |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\vKz6Bis1d8oda4r.exe
C:\Users\Admin\AppData\Local\Temp\vKz6Bis1d8oda4r.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/1704-0-0x00000000010A0000-0x00000000010B7000-memory.dmp
\Users\Admin\AppData\Local\Temp\vKz6Bis1d8oda4r.exe
| MD5 | 3d02b1d79394fe13058ab40a0abfb133 |
| SHA1 | d6c2b092f1bc79a1b53975bc9b34a5a3c4529ba9 |
| SHA256 | 41151a38436ceb8acaac016619e3eeb99b671cd13c024d6d8e91fa89b7697900 |
| SHA512 | 0b312a77f3a422f695e8b7953f03db31941fd24540e7162221dc8fefcc323e16ef7cf3ce6f82dc1f7e8bd78214301b082de518878a803f989ab85485918e00bc |
memory/1704-10-0x00000000010A0000-0x00000000010B7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/2980-14-0x0000000000D90000-0x0000000000DA7000-memory.dmp
memory/1704-11-0x00000000000E0000-0x00000000000F7000-memory.dmp
memory/1704-22-0x00000000000E0000-0x00000000000F7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 21:48
Reported
2024-04-06 21:51
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
157s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\CMbcxjUpCkxJmbm.exe | N/A |
| N/A | N/A | C:\Windows\CTS.exe | 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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1540 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\CMbcxjUpCkxJmbm.exe |
| PID 1540 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\CMbcxjUpCkxJmbm.exe |
| PID 1540 wrote to memory of 1604 | N/A | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1540 wrote to memory of 1604 | N/A | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1540 wrote to memory of 1604 | N/A | C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e35c375b6c9a45948afb7c39d54bb861_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\CMbcxjUpCkxJmbm.exe
C:\Users\Admin\AppData\Local\Temp\CMbcxjUpCkxJmbm.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.220.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.65.42.20.in-addr.arpa | udp |
Files
memory/1540-0-0x0000000000310000-0x0000000000327000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CMbcxjUpCkxJmbm.exe
| MD5 | 3d02b1d79394fe13058ab40a0abfb133 |
| SHA1 | d6c2b092f1bc79a1b53975bc9b34a5a3c4529ba9 |
| SHA256 | 41151a38436ceb8acaac016619e3eeb99b671cd13c024d6d8e91fa89b7697900 |
| SHA512 | 0b312a77f3a422f695e8b7953f03db31941fd24540e7162221dc8fefcc323e16ef7cf3ce6f82dc1f7e8bd78214301b082de518878a803f989ab85485918e00bc |
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/1604-8-0x0000000000E50000-0x0000000000E67000-memory.dmp
memory/1540-9-0x0000000000310000-0x0000000000327000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 58ab350193e4ddc7050916387eb50ac4 |
| SHA1 | 89c9c68f69a28f94095f5245f1a0a781e7ff402b |
| SHA256 | 5abb318adbb9f2d2f331ed63927e561ad61636c23c7b7cb7bfe755fbfd279919 |
| SHA512 | 6ac53319553f2a3fdd76495e4298242482ab1c73c48080c702b83b0c03877e9664be73d86251791d5ca9a8847dd475decbed067ce2c030fbe8df08aa772e11d8 |
memory/1604-31-0x0000000000E50000-0x0000000000E67000-memory.dmp