Analysis Overview
SHA256
5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863
Threat Level: Shows suspicious behavior
The file 5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Reads user/profile data of web browsers
Adds Run key to start application
UPX packed file
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-27 15:30
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
2024-10-27 15:30
Reported
2024-10-27 15:32
Platform
win7-20241010-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\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.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 |
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 |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.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\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2288 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | C:\Windows\CTS.exe |
| PID 2288 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | C:\Windows\CTS.exe |
| PID 2288 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | C:\Windows\CTS.exe |
| PID 2288 wrote to memory of 2908 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe
"C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2288-0-0x00000000009E0000-0x00000000009F7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 93e5f18caebd8d4a2c893e40e5f38232 |
| SHA1 | fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6 |
| SHA256 | a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8 |
| SHA512 | 986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54 |
memory/2908-12-0x0000000000890000-0x00000000008A7000-memory.dmp
memory/2288-9-0x00000000009E0000-0x00000000009F7000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\w3kLyStUMCrEYT8.exe
| MD5 | e3a59b2d71549010faaad2aa674a7c46 |
| SHA1 | 8d1c1a1e1b13e1ae38beb9269a9f42e25cdb3aff |
| SHA256 | d025f43ca1c491f453883a7871ffa5468b1ea5588a341cd898354dac1203af65 |
| SHA512 | f53efd0ce4200b87f98b15b5e33f0163ea1fb0851d675bc8278107e820e48761a2ebdb216865e689d7a17a8918739d9f0d6adfbf346608fa8d81a292650d9ccc |
memory/2908-17-0x0000000000890000-0x00000000008A7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-27 15:30
Reported
2024-10-27 15:32
Platform
win10v2004-20241007-en
Max time kernel
110s
Max time network
108s
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\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.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 |
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 |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.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\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.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\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3780 wrote to memory of 1152 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | C:\Windows\CTS.exe |
| PID 3780 wrote to memory of 1152 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | C:\Windows\CTS.exe |
| PID 3780 wrote to memory of 1152 | N/A | C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.exe
"C:\Users\Admin\AppData\Local\Temp\5fb385e73a8369c1a3ede662b561c623e166f3180be77fb2c5c96c2e573c9863N.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 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.190.18.2.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 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/3780-0-0x0000000000300000-0x0000000000317000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 93e5f18caebd8d4a2c893e40e5f38232 |
| SHA1 | fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6 |
| SHA256 | a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8 |
| SHA512 | 986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54 |
memory/1152-7-0x0000000000AA0000-0x0000000000AB7000-memory.dmp
memory/3780-10-0x0000000000300000-0x0000000000317000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 5623778f9171b793dc8f383c03e5df2a |
| SHA1 | 86067a42acf7a240325f9bdfda9a9099e1e5a39f |
| SHA256 | 4d13a8b15024546bafb3365451836a09345d79d3367174d27ea7d3711c502e2e |
| SHA512 | 6108d037df08c03b6eab464f6416571119eaacaa95f3ed39f0096d6a0c8db1a8ccec0aceeb6af85852101d4483c914538d7b6798bac6ca3e1f3c02719cbdbed7 |
C:\Users\Admin\AppData\Local\Temp\yssFx8VLTBwMC3V.exe
| MD5 | f7de2f9f9bda3d533113138a9b272f18 |
| SHA1 | f66a0f305711959f1dfec1b71a699be809bf3d4c |
| SHA256 | 3bad13e501c98b699de22e05a3d3ab0edf9737a5266efc8c9ba4bf187baeb7bd |
| SHA512 | ab2066172fcb4905317c49e473d1efe9cf9f023600f37a1f09a1934de61b9b656286be5495987f95ae8141d0f56d39bc39d367c58b055c3f38cd0073c6382011 |
memory/1152-33-0x0000000000AA0000-0x0000000000AB7000-memory.dmp