Analysis Overview
SHA256
5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391
Threat Level: Shows suspicious behavior
The file 5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N 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
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-27 13:16
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 13:16
Reported
2024-10-27 13:19
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\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.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:\Windows\CTS.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.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\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2256 wrote to memory of 1800 | N/A | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | C:\Windows\CTS.exe |
| PID 2256 wrote to memory of 1800 | N/A | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | C:\Windows\CTS.exe |
| PID 2256 wrote to memory of 1800 | N/A | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | C:\Windows\CTS.exe |
| PID 2256 wrote to memory of 1800 | N/A | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe
"C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2256-0-0x0000000000DE0000-0x0000000000DF7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 93e5f18caebd8d4a2c893e40e5f38232 |
| SHA1 | fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6 |
| SHA256 | a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8 |
| SHA512 | 986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54 |
memory/1800-12-0x0000000000350000-0x0000000000367000-memory.dmp
memory/2256-9-0x0000000000DE0000-0x0000000000DF7000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Ivo0qLo10MvVO5w.exe
| MD5 | 0232ecd39229cd505f535ba8d788e013 |
| SHA1 | b75821e44bc402b0011b045ebeb180b63269e074 |
| SHA256 | 8a52f761704fd8cf6a8c7bea60334dbeb76f40670cf145e1a1dd797f8f39ea66 |
| SHA512 | caf2b3b299dd9f6c90aa6c30256901c7bf6a0d244c8198ef10ae4419218d42281b22ce4e913058bc6935ee306d4761a42fa88c75aa93e5bd178f0887f4b48e9a |
memory/1800-16-0x0000000000350000-0x0000000000367000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-27 13:16
Reported
2024-10-27 13:19
Platform
win10v2004-20241007-en
Max time kernel
111s
Max time network
100s
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\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.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\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.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\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.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\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1968 wrote to memory of 4756 | N/A | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | C:\Windows\CTS.exe |
| PID 1968 wrote to memory of 4756 | N/A | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | C:\Windows\CTS.exe |
| PID 1968 wrote to memory of 4756 | N/A | C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe
"C:\Users\Admin\AppData\Local\Temp\5544194117a2fe75ea1144d52af26f7d6491014506f3abb2bfe5fb0589d87391N.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.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 | 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
memory/1968-0-0x0000000000520000-0x0000000000537000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 93e5f18caebd8d4a2c893e40e5f38232 |
| SHA1 | fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6 |
| SHA256 | a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8 |
| SHA512 | 986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54 |
memory/1968-10-0x0000000000520000-0x0000000000537000-memory.dmp
memory/4756-7-0x0000000000460000-0x0000000000477000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 67549b7a6affb9610d7e915d17f11b7b |
| SHA1 | 3598feddcd77c373aae010be163b1d2ee1e3dcf0 |
| SHA256 | 3879cd188c33cabc0b5aef3f22ade09d0108aebc0103ee6b3e778532edf1c79d |
| SHA512 | cea44916b9079386c19d7f9caf2a9989a9c9f942f97cf592860f910709d23db4e3ba171a2359c26a050ac068f8bcdacadf93098d1cdb2a31e8775cd75e4fda56 |
C:\Users\Admin\AppData\Local\Temp\lBNzgek9mT4gwuq.exe
| MD5 | ec408fa5654c32483945a91ca34cadca |
| SHA1 | efbe9ba16068f3f0741fdf8110a8453ca279ffe2 |
| SHA256 | 79b5eb7b235be99955a7b7f941eafffe36160def7cd95849f04a698dc6c3a169 |
| SHA512 | 6ba870ff9d6177a8a60dd8a95785313b5b5dc13d12e6a58b5fe87233d24ff3df3dd21e024dc52ab56f103d43ae78ca5001dfb5aaeb0c570ee154d4c2a29dcf36 |
memory/4756-33-0x0000000000460000-0x0000000000477000-memory.dmp