Analysis Overview
SHA256
37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6
Threat Level: Shows suspicious behavior
The file 37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6 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
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-01 07:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-01 07:29
Reported
2024-06-01 07:32
Platform
win7-20240221-en
Max time kernel
121s
Max time network
123s
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\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.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\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.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\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\svhost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3056 wrote to memory of 1284 | N/A | C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | C:\Windows\svhost.exe |
| PID 3056 wrote to memory of 1284 | N/A | C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | C:\Windows\svhost.exe |
| PID 3056 wrote to memory of 1284 | N/A | C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | C:\Windows\svhost.exe |
| PID 3056 wrote to memory of 1284 | N/A | C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | C:\Windows\svhost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe
"C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.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\XiM1gXHOFxaqDQL.exe
| MD5 | 8270e948fd7ce74dd5f63c0de7129d8c |
| SHA1 | e414fcfe5b678b924d6eb1565d380667901989a6 |
| SHA256 | c0a56927e60bb231ca63c56665434b8bfa842d3a7f11e43cb15a526b2d8b63b1 |
| SHA512 | d2006ca903219d6dd0326284ad0f05e0c76d0fe02a4ebf64ac263471e6ba84ec068a63e71ee396acd98d7cda5f46e1b2c163d63fceb3461320a3659637224c4c |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-01 07:29
Reported
2024-06-01 07:32
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
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\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.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\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.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\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\svhost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 388 wrote to memory of 4000 | N/A | C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | C:\Windows\svhost.exe |
| PID 388 wrote to memory of 4000 | N/A | C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | C:\Windows\svhost.exe |
| PID 388 wrote to memory of 4000 | N/A | C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe | C:\Windows\svhost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.exe
"C:\Users\Admin\AppData\Local\Temp\37d250ba728676b581907fcc717a809f762c3398e01714eb0a176076a72e06b6.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 | 154.239.44.20.in-addr.arpa | udp |
| NL | 23.62.61.129:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.239.69.13.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 | 1f3f0d9a2c672d0b25d679e344b4475f |
| SHA1 | 81586551312953877bc7fe6a40fca101fe4bdc74 |
| SHA256 | 5eb2d9f3b30a6f657eb8f8826a67567a4bd23cd4cc6ed07eb9479811a80c19c9 |
| SHA512 | 74c4b4fb6ca126db4ecbc1acf28949847243755ed482bb3da72fef4852265634c83b0568cba9e1016c3e07321b92daa45bfcce1e65818fee0ff3a54f291082fb |
C:\Users\Admin\AppData\Local\Temp\nKx9aA62izOgDBM.exe
| MD5 | d7ffcac494fa636a0c358eb2efdc23d4 |
| SHA1 | ff3b227edffd6e16848b93c82538b63bfc85213d |
| SHA256 | add808e1cf908ebbcbe4f05507b959fe4ef2350b6368830cf779df7b098ffc16 |
| SHA512 | 509d52b036b6df7782cfeb1aa68d3e7c7b90daf7d67037c696544bafb71753ee5dca02a1e5459764ef25068f1ecd5f525b08253c6bbada8f83c9d10cc68616df |