Analysis Overview
SHA256
37853b0280f64aeb6bec0801d3622d830aea503c77d657ac430b40c4d065fa33
Threat Level: Shows suspicious behavior
The file e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Reads user/profile data of web browsers
UPX packed file
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 21:47
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: behavioral2
Detonation Overview
Submitted
2024-04-06 21:47
Reported
2024-04-06 21:50
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| 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 |
| 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\e35b8b5b1062c2c63e3d1177c4851ed6_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\e35b8b5b1062c2c63e3d1177c4851ed6_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\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3040 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 3040 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 3040 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.73.42.20.in-addr.arpa | udp |
Files
memory/3040-0-0x0000000000A90000-0x0000000000AA7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 5efd390d5f95c8191f5ac33c4db4b143 |
| SHA1 | 42d81b118815361daa3007f1a40f1576e9a9e0bc |
| SHA256 | 6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74 |
| SHA512 | 720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d |
memory/3040-7-0x0000000000A90000-0x0000000000AA7000-memory.dmp
memory/2908-9-0x0000000000420000-0x0000000000437000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 732ef53e9ecd06b1daf5d77b6b191f23 |
| SHA1 | 31b5aec4b8eb7274a6d822a67d682344fe45ac09 |
| SHA256 | 6d5a97e14585be3e587a69e635764a943ded61bc22dd5ccd78046903b0a73e42 |
| SHA512 | f620316e9b7858d11c3b0ae44aa3c7aa31b29db7bdcd215faf4310c1ff52475448dc2160036f0b9834110d0fa3bf88daf981613035281d3f6371c95beacce7de |
C:\Users\Admin\AppData\Local\Temp\OtVOqOrk4tNx3Zx.exe
| MD5 | 70bf8ab30a6f158d8b7372aa02c6112f |
| SHA1 | 95d02dbf9792b89df3a55cee96ce50ea936b9552 |
| SHA256 | 04c0bfc3ac410ead528e907732104cfc512853afea76577278fa1f04cdf879da |
| SHA512 | c7466a1dc3baf8f2d8cda0e9f27c9a3b543c521efde54cf7e497d0b02840ae92200cb45ac6e609e814699fdf22aadb9493e22bab3de94e11dbdf9a295aef9122 |
memory/2908-32-0x0000000000420000-0x0000000000437000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 21:47
Reported
2024-04-06 21:50
Platform
win7-20240221-en
Max time kernel
140s
Max time network
121s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| 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 |
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\e35b8b5b1062c2c63e3d1177c4851ed6_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\e35b8b5b1062c2c63e3d1177c4851ed6_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\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1624 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1624 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1624 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1624 wrote to memory of 2188 | N/A | C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e35b8b5b1062c2c63e3d1177c4851ed6_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/1624-1-0x0000000000F90000-0x0000000000FA7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 5efd390d5f95c8191f5ac33c4db4b143 |
| SHA1 | 42d81b118815361daa3007f1a40f1576e9a9e0bc |
| SHA256 | 6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74 |
| SHA512 | 720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d |
memory/1624-8-0x0000000000F90000-0x0000000000FA7000-memory.dmp
memory/2188-11-0x0000000000AC0000-0x0000000000AD7000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\h2DQUSmbJudKNi3.exe
| MD5 | 79ea79f02ecec23bf9863c20429e5ec7 |
| SHA1 | d9a63dd23bdd1d385a3c3246f7cbd633c79bb327 |
| SHA256 | f38c83713cd055cb517115728be934ae6ea314f372720d3c152bad6f430edd97 |
| SHA512 | 78f31f83e9a407c749bb84a7693eea3ed26e2a9ee2c32d51245f3c2c64803bd3cf29efe190ba9ac98cefaef72af1d8fd31688067c594db8f8d7086ae64edc8bb |