Analysis Overview
SHA256
f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c
Threat Level: Shows suspicious behavior
The file f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c 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
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
2024-06-04 00:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-04 00:29
Reported
2024-06-04 00:32
Platform
win7-20240508-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\svhost.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\Winhost = "C:\\Windows\\svhost.exe" | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe" | C:\Windows\svhost.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\svhost.exe | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | N/A |
| File created | C:\Windows\svhost.exe | C:\Windows\svhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\svhost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1732 wrote to memory of 2688 | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | C:\Windows\svhost.exe |
| PID 1732 wrote to memory of 2688 | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | C:\Windows\svhost.exe |
| PID 1732 wrote to memory of 2688 | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | C:\Windows\svhost.exe |
| PID 1732 wrote to memory of 2688 | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | C:\Windows\svhost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe
"C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe"
C:\Windows\svhost.exe
"C:\Windows\svhost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | app.csvhost.info | udp |
Files
C:\Windows\svhost.exe
| MD5 | 76fd02b48297edb28940bdfa3fa1c48a |
| SHA1 | bf5cae1057a0aca8bf3aab8b121fe77ebb0788ce |
| SHA256 | 07abd35f09b954eba7011ce18b225017c50168e039732680df58ae703324825c |
| SHA512 | 28c7bf4785547f6df9d678699a55cfb24c429a2bac5375733ff2f760c92933190517d8acd740bdf69c3ecc799635279af5d7ebd848c5b471318d1f330c441ff0 |
C:\Users\Admin\AppData\Local\Temp\G3EmD4WuXt4Cj97.exe
| MD5 | 37e40d3e5aae5565aba080993cddcc43 |
| SHA1 | 4763a701e63e60b1ee3b839cf6f5c43f3feb1408 |
| SHA256 | 55ded13a711e6efeaf9ed95c82879300a134106441b0098598131609deab4c23 |
| SHA512 | 4ee97af2beccc663f7fd23932b3197c42c9b899f830de2ac9833e0267b65525148e6d4b78de066bc13e6a5d3c98f819eb163736a037462b6b8566b059ba6af4b |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-04 00:29
Reported
2024-06-04 00:32
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
157s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\svhost.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\Winhost = "C:\\Windows\\svhost.exe" | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe" | C:\Windows\svhost.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\svhost.exe | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | N/A |
| File created | C:\Windows\svhost.exe | C:\Windows\svhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\svhost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 544 wrote to memory of 3932 | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | C:\Windows\svhost.exe |
| PID 544 wrote to memory of 3932 | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | C:\Windows\svhost.exe |
| PID 544 wrote to memory of 3932 | N/A | C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe | C:\Windows\svhost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe
"C:\Users\Admin\AppData\Local\Temp\f75cfc672dac408eece759f01a62fa34efac90634c20a593c00f526f40e9cf1c.exe"
C:\Windows\svhost.exe
"C:\Windows\svhost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | app.csvhost.info | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 52.111.229.43:443 | tcp | |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.173.189.20.in-addr.arpa | udp |
Files
C:\Windows\svhost.exe
| MD5 | 76fd02b48297edb28940bdfa3fa1c48a |
| SHA1 | bf5cae1057a0aca8bf3aab8b121fe77ebb0788ce |
| SHA256 | 07abd35f09b954eba7011ce18b225017c50168e039732680df58ae703324825c |
| SHA512 | 28c7bf4785547f6df9d678699a55cfb24c429a2bac5375733ff2f760c92933190517d8acd740bdf69c3ecc799635279af5d7ebd848c5b471318d1f330c441ff0 |
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 7191cba6eb87568449ab4c4d4db2b337 |
| SHA1 | 0798d8d93b341db6b142002ebdac314cdac41868 |
| SHA256 | 4384f4de6df0b00aec02f7d2d89baf8aa786499b71ef5a66dfce6d3865af6239 |
| SHA512 | cca54d549a8ec1828f465a534a92f45446f0cf4ca59bbd6d2f8cacc0622f9c1b3a4475eccf3deb77f6205d21bc42e6e686b6fffeb8abba051454ee4e6a04db25 |
C:\Users\Admin\AppData\Local\Temp\3lKWvKf4j0bnizW.exe
| MD5 | bd878418fb5b66c2e0d1dd3e415839b8 |
| SHA1 | 536e6b3ee34785ffeeb9337bbe471c6f427df085 |
| SHA256 | 22faf90036e54083f1094598f100eb0499d9b8f477c2a22c0066a414f201f178 |
| SHA512 | 1a13ce620cdc37152bd3a58de36ce03ac4eda4535f91870251a4069ff8301efa9210ef8a78fffae616af27276ac72db57e52995c7ba87e62eef42ace80fa8dcb |