Analysis Overview
SHA256
4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f
Threat Level: Shows suspicious behavior
The file 4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f was found to be: Shows suspicious behavior.
Malicious Activity Summary
Reads user/profile data of web browsers
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-25 21:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-25 21:28
Reported
2024-10-25 21:30
Platform
win7-20240903-en
Max time kernel
117s
Max time network
118s
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
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\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.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\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
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\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2580 wrote to memory of 1148 | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | C:\Windows\CTS.exe |
| PID 2580 wrote to memory of 1148 | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | C:\Windows\CTS.exe |
| PID 2580 wrote to memory of 1148 | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | C:\Windows\CTS.exe |
| PID 2580 wrote to memory of 1148 | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe
"C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
C:\Windows\CTS.exe
| MD5 | 0f736d30fbdaebed364c4cd9f084e500 |
| SHA1 | d7e96b736463af4b3edacd5cc5525cb70c593334 |
| SHA256 | 431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34 |
| SHA512 | 570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566 |
C:\Users\Admin\AppData\Local\Temp\KmvXlL74jk2gZDp.exe
| MD5 | 7548cc38715ea84193ce6905de4d2e13 |
| SHA1 | 9d0242ee3e97f481134c9a39ab652b5625b41259 |
| SHA256 | d762abbb96f87469808376993fc1163089bcb9dc7c3a2abd40889cfd093a560d |
| SHA512 | 1549d6812e337ed4f266c73d07424d92bb2704d0efff61dd1d2029a9e532c75bdaa9ecfeb6051f38e5f792a399e9b785c63d9cddbed8effa928a7d57a30768ac |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-25 21:28
Reported
2024-10-25 21:30
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
157s
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
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\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.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\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
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\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\CTS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3088 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | C:\Windows\CTS.exe |
| PID 3088 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | C:\Windows\CTS.exe |
| PID 3088 wrote to memory of 2784 | N/A | C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe
"C:\Users\Admin\AppData\Local\Temp\4b565c155e0f9ca1d78d468b77fcc2aaae6121c701405cb90ad3336dc3409f2f.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 226.108.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.11.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
Files
C:\Windows\CTS.exe
| MD5 | 0f736d30fbdaebed364c4cd9f084e500 |
| SHA1 | d7e96b736463af4b3edacd5cc5525cb70c593334 |
| SHA256 | 431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34 |
| SHA512 | 570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566 |
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 2815405a95070b2a792572d3470b8ff5 |
| SHA1 | 89b125232a6e516edf80c770148f704907d20e81 |
| SHA256 | 0219e2ed0a83c326fa65190d1d1a9a08c453555fd9ffdb89d4ed92e1ad0eaa76 |
| SHA512 | 53f668f2774dff225a13c53ff651691696ae871df4155516f5e0abde6c1bc1a5427934ecc365cce8f0093f0bc5d507a7cec9e28daa77e0229eace1a2e1e817ef |
C:\Users\Admin\AppData\Local\Temp\lCpPmRLSnzy0w1h.exe
| MD5 | 76595cee66699aaf3ba16728c85cd4db |
| SHA1 | 2c29f52271367c16b3b8c0abe5bca5c9267d953c |
| SHA256 | f9667fe188ded8fdaa8ad943c09db58ec28962672df1129fc2b66d972299e89d |
| SHA512 | 6d22f0ffa55bd1d4b524d719d73fae3bfd653fdb1b37388d6e3d8ce2e22d4f65c07072bde0806d4c0001b7f2f516b25a01d66735de06ae2e6b747609271fbd3a |