Analysis Overview
SHA256
77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859
Threat Level: Shows suspicious behavior
The file 77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859 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
Suspicious behavior: EnumeratesProcesses
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-07-02 19:25
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-07-02 19:25
Reported
2025-07-02 19:27
Platform
win10v2004-20250610-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\3942b6f5 | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 114.114.114.114 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Destination IP | 223.5.5.5 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Destination IP | 114.114.114.114 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Destination IP | 223.5.5.5 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\Syswow64\3942b6f5 | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\Syswow64\3942b6f5 | N/A |
| File created | C:\Windows\SysWOW64\3942b6f5 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\Syswow64\3942b6f5 | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\Syswow64\3942b6f5 | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\b2998 | C:\Windows\Syswow64\3942b6f5 | N/A |
| File opened for modification | C:\Windows\194508 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.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\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Syswow64\3942b6f5 | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Windows\Syswow64\3942b6f5 | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Windows\Syswow64\3942b6f5 | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Windows\Syswow64\3942b6f5 | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Windows\Syswow64\3942b6f5 | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\Syswow64\3942b6f5 | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\Syswow64\3942b6f5 | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Windows\Syswow64\3942b6f5 | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\Syswow64\3942b6f5 | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Syswow64\3942b6f5 | N/A |
| Token: SeTcbPrivilege | N/A | C:\Windows\Syswow64\3942b6f5 | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe
"C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe"
C:\Windows\Syswow64\3942b6f5
C:\Windows\Syswow64\3942b6f5
Network
| Country | Destination | Domain | Proto |
| CN | 114.114.114.114:53 | down.nugong.asia | udp |
| 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 | 223.6.6.6:443 | dns.alidns.com | tcp |
| CN | 223.5.5.5:443 | 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 | 223.6.6.6:443 | dns.alidns.com | tcp |
| CN | 223.6.6.6:80 | dns.alidns.com | tcp |
| CN | 223.5.5.5:443 | 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 | 223.6.6.6:80 | dns.alidns.com | tcp |
| CN | 223.5.5.5:80 | 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/1476-0-0x00000000007D0000-0x0000000000833000-memory.dmp
C:\Windows\SysWOW64\3942b6f5
| MD5 | 44a11fba20fceb104ef77af5c7ee25d2 |
| SHA1 | 2ba264948710cfe4e1a7016d88386c3d50fc9d5a |
| SHA256 | b6477af9244e75d11316d1d10cf4d4e9f601b841c20e0ae81703bf71c0a2d23d |
| SHA512 | d5a7c68f3e10398c7cc46907a7d3e65f79bd3fa45dc1195eff3ef479aee90a435e7834bd5fe929433f839083eee574e40ade0f29b2ddc02fe7c2359e0213193e |
memory/652-4-0x0000000000380000-0x00000000003E3000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-07-02 19:25
Reported
2025-07-02 19:27
Platform
win11-20250610-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\eacf3d9c | N/A |
Unexpected DNS network traffic destination
| Description | Indicator | Process | Target |
| Destination IP | 114.114.114.114 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Destination IP | 223.5.5.5 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Destination IP | 114.114.114.114 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Destination IP | 223.5.5.5 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\eacf3d9c | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Windows\Syswow64\eacf3d9c | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Windows\Syswow64\eacf3d9c | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Windows\Syswow64\eacf3d9c | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Windows\Syswow64\eacf3d9c | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\3f5868 | C:\Windows\Syswow64\eacf3d9c | N/A |
| File opened for modification | C:\Windows\5d2280 | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Syswow64\eacf3d9c | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Windows\Syswow64\eacf3d9c | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Windows\Syswow64\eacf3d9c | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Windows\Syswow64\eacf3d9c | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Windows\Syswow64\eacf3d9c | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Windows\Syswow64\eacf3d9c | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Windows\Syswow64\eacf3d9c | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Windows\Syswow64\eacf3d9c | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Windows\Syswow64\eacf3d9c | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Token: SeTcbPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Syswow64\eacf3d9c | N/A |
| Token: SeTcbPrivilege | N/A | C:\Windows\Syswow64\eacf3d9c | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe
"C:\Users\Admin\AppData\Local\Temp\77ec7f7faaa3660f2521981552470f72a28fad840c6d3d0674033087fe16c859.exe"
C:\Windows\Syswow64\eacf3d9c
C:\Windows\Syswow64\eacf3d9c
Network
| Country | Destination | Domain | Proto |
| CN | 114.114.114.114:53 | down.nugong.asia | udp |
| CN | 223.5.5.5:53 | dns.alidns.com | udp |
| CN | 223.6.6.6:443 | dns.alidns.com | tcp |
| CN | 223.5.5.5:443 | dns.alidns.com | tcp |
| CN | 114.114.114.114:53 | down.nugong.asia | udp |
| CN | 223.5.5.5:53 | dns.alidns.com | udp |
| CN | 223.6.6.6:443 | 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 | 223.6.6.6:80 | dns.alidns.com | tcp |
| CN | 223.5.5.5:80 | 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/5440-0-0x0000000000CC0000-0x0000000000D23000-memory.dmp
C:\Windows\SysWOW64\eacf3d9c
| MD5 | 1081741d546b0a9e50a243e46b2518cb |
| SHA1 | f0f793a1b76dd9692862e48ec64fea66b5f6154d |
| SHA256 | 26bb28ba3ec301fdec433448aa3ed7175c519b4febef6496e119037a37e366aa |
| SHA512 | 1a10ba91a3e0244552ff49fd7044af00ea64d1191d5a1371288e5a6235bddcca2044c215dd4aede85955dbef02ab525000cc5ad99db7ec45f1469150e03c9eac |
memory/3700-4-0x00000000002D0000-0x0000000000333000-memory.dmp