Analysis Overview
SHA256
b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a
Threat Level: Shows suspicious behavior
The file b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Unexpected DNS network traffic destination
Drops file in System32 directory
Drops file in Windows directory
System Location Discovery: System Language Discovery
Unsigned PE
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-07-02 19:23
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-07-02 19:23
Reported
2025-07-02 19:26
Platform
win10v2004-20250619-en
Max time kernel
143s
Max time network
147s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Syswow64\47343e2c | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 114.114.114.114 | C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe | N/A |
| Destination IP | 223.5.5.5 | C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe | N/A |
| Destination IP | 114.114.114.114 | C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe | N/A |
| Destination IP | 223.5.5.5 | C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\47343e2c | C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\Syswow64\47343e2c | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\Syswow64\47343e2c | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\Syswow64\47343e2c | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\Syswow64\47343e2c | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\1f3a40 | C:\Windows\Syswow64\47343e2c | N/A |
| File opened for modification | C:\Windows\d02f0 | C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.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\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Syswow64\47343e2c | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\Syswow64\47343e2c | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\Syswow64\47343e2c | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\Syswow64\47343e2c | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Windows\Syswow64\47343e2c | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Windows\Syswow64\47343e2c | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Windows\Syswow64\47343e2c | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Windows\Syswow64\47343e2c | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Windows\Syswow64\47343e2c | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Syswow64\47343e2c | N/A |
| Token: SeTcbPrivilege | N/A | C:\Windows\Syswow64\47343e2c | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe
"C:\Users\Admin\AppData\Local\Temp\b76a89a34a750475510e133a2d80e50312259241795a54a73c0ef6605e70bc2a.exe"
C:\Windows\Syswow64\47343e2c
C:\Windows\Syswow64\47343e2c
Network
| Country | Destination | Domain | Proto |
| CN | 114.114.114.114:53 | down.nugong.asia | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| CN | 223.5.5.5:53 | down.nugong.asia | udp |
| US | 8.8.8.8:53 | down.nugong.asia | udp |
| US | 8.8.8.8:53 | dns.alidns.com | udp |
| CN | 223.5.5.5:443 | dns.alidns.com | tcp |
| CN | 223.6.6.6:443 | dns.alidns.com | tcp |
| CN | 114.114.114.114:53 | down.nugong.asia | udp |
| CN | 223.5.5.5:53 | dns.alidns.com | 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 | down.nugong.asia | udp |
| CN | 223.5.5.5:443 | dns.alidns.com | tcp |
| CN | 223.5.5.5:80 | dns.alidns.com | tcp |
| CN | 223.6.6.6:443 | dns.alidns.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.179.227:80 | c.pki.goog | tcp |
| CN | 223.5.5.5:80 | dns.alidns.com | tcp |
| CN | 223.6.6.6:80 | dns.alidns.com | tcp |
| CN | 223.5.5.5:443 | dns.alidns.com | tcp |
| CN | 223.5.5.5:80 | dns.alidns.com | tcp |
Files
memory/760-0-0x0000000000E40000-0x0000000000EA3000-memory.dmp
C:\Windows\SysWOW64\47343e2c
| MD5 | cf67215e8d740450c3eeedcea346fe8b |
| SHA1 | a9416b2c4007bc10e259f16353da645db3019694 |
| SHA256 | 391f8e8cead23fc44564969d9b856cd5b922db63339b2dc9c6c989a1588054c3 |
| SHA512 | a593683c7cb21d755a049e8b4be609adfde735242be486b3d1475d6688c8cf542bd3546dac5e99fbae7abd9fb7a947ac0ec0e88b5735f3a24a23f46617e271eb |
memory/1824-4-0x0000000000050000-0x00000000000B3000-memory.dmp