Analysis Overview
SHA256
576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57
Threat Level: Shows suspicious behavior
The file 576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N 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 15:24
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 15:24
Reported
2024-10-27 15:26
Platform
win7-20240903-en
Max time kernel
110s
Max time network
17s
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\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.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\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.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\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1260 wrote to memory of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | C:\Windows\CTS.exe |
| PID 1260 wrote to memory of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | C:\Windows\CTS.exe |
| PID 1260 wrote to memory of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | C:\Windows\CTS.exe |
| PID 1260 wrote to memory of 2428 | N/A | C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe
"C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/1260-1-0x00000000008E0000-0x00000000008F7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 5efd390d5f95c8191f5ac33c4db4b143 |
| SHA1 | 42d81b118815361daa3007f1a40f1576e9a9e0bc |
| SHA256 | 6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74 |
| SHA512 | 720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d |
memory/1260-10-0x00000000001A0000-0x00000000001B7000-memory.dmp
memory/2428-14-0x0000000000F90000-0x0000000000FA7000-memory.dmp
memory/1260-11-0x00000000008E0000-0x00000000008F7000-memory.dmp
memory/1260-5-0x00000000001A0000-0x00000000001B7000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\vPVYHhQpUVQEmuB.exe
| MD5 | 8da8a87c331b45d4fb959ed70e0ece8c |
| SHA1 | 16e5563d692b4b5d72f2d8fa5b82770f2e7280b2 |
| SHA256 | 8f41aa0ae5a795cbd162e32baf695c8311419a93fc86f8ee0a7c028945688f18 |
| SHA512 | b4d5a706cf12dd0415507984eb48d3120a578b8daff8bbef1f71ed4b37afa1147db12b214d91fbcf1904822fe2d00044bfbf7feeb566d7f48badd872f9140dfd |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-27 15:24
Reported
2024-10-27 15:26
Platform
win10v2004-20241007-en
Max time kernel
111s
Max time network
105s
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:\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\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.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\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.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\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.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\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1252 wrote to memory of 2236 | N/A | C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | C:\Windows\CTS.exe |
| PID 1252 wrote to memory of 2236 | N/A | C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | C:\Windows\CTS.exe |
| PID 1252 wrote to memory of 2236 | N/A | C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.exe
"C:\Users\Admin\AppData\Local\Temp\576ceb4b2d88ab16a5355975d5606c96a907477a50657253f908836b96339a57N.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 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 79.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 78.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.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 |
Files
memory/1252-0-0x0000000000A50000-0x0000000000A67000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 5efd390d5f95c8191f5ac33c4db4b143 |
| SHA1 | 42d81b118815361daa3007f1a40f1576e9a9e0bc |
| SHA256 | 6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74 |
| SHA512 | 720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d |
memory/1252-10-0x0000000000A50000-0x0000000000A67000-memory.dmp
memory/2236-7-0x00000000008D0000-0x00000000008E7000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 500c92ef2d7dae7c02b29b63cc9cf1e8 |
| SHA1 | 30a73927a8e149f11e711dbf5374fd477cceea7f |
| SHA256 | a32267d82e81c08631de3c4f04ab9392a7bf977fc0c43f9cc90dad27f0b26ec9 |
| SHA512 | b1332234f720a9b434ef5b4665a4b42c8e4f766179b9c3eee619bc04e31c5c18fb77179864d22cb88dab0a3180bddb4fdb3d5ca85f5650a7bb774b73b600cd91 |
C:\Users\Admin\AppData\Local\Temp\Ms1xnPCqCcTaBRo.exe
| MD5 | 154b0cd6ca86811fc93cce60afb2a7ce |
| SHA1 | 6da712829a4e867ad007a5623cbb51c5cfd54ed8 |
| SHA256 | a4b18600c71d5b4dba481a3b2a353b67297375fc62370434093037a898c794f7 |
| SHA512 | b19a75f12b7b0c797bcb7d2ca73b2a9dbac83a3bb69d9315a871e9dfa92b0df5cb7f17c3dd77192f661a9fda86d345afa4391d9be6b8d71b9fbe89b8af1c5389 |
memory/2236-32-0x00000000008D0000-0x00000000008E7000-memory.dmp