Malware Analysis Report

2025-08-05 14:35

Sample ID 250702-x3wejsgj51
Target f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae
SHA256 f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae
Tags
discovery
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae

Threat Level: Shows suspicious behavior

The file f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery

Executes dropped EXE

Unexpected DNS network traffic destination

Drops file in System32 directory

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

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 19:25

Platform

win10v2004-20250610-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Syswow64\f3e6fb70 N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\f3e6fb70 C:\Users\Admin\AppData\Local\Temp\f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\Syswow64\f3e6fb70 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\Syswow64\f3e6fb70 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\Syswow64\f3e6fb70 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\Syswow64\f3e6fb70 N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\567df8 C:\Windows\Syswow64\f3e6fb70 N/A
File opened for modification C:\Windows\5c9640 C:\Users\Admin\AppData\Local\Temp\f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Syswow64\f3e6fb70 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\f3e6fb70 N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\Syswow64\f3e6fb70 N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\Syswow64\f3e6fb70 N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Windows\Syswow64\f3e6fb70 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" C:\Windows\Syswow64\f3e6fb70 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" C:\Windows\Syswow64\f3e6fb70 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" C:\Windows\Syswow64\f3e6fb70 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" C:\Windows\Syswow64\f3e6fb70 N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae.exe N/A
Token: SeTcbPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Syswow64\f3e6fb70 N/A
Token: SeTcbPrivilege N/A C:\Windows\Syswow64\f3e6fb70 N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae.exe

"C:\Users\Admin\AppData\Local\Temp\f3a2004a051be73f194df6c23d67fdf41ba0e75541533cddb3d597f5dfc4f5ae.exe"

C:\Windows\Syswow64\f3e6fb70

C:\Windows\Syswow64\f3e6fb70

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 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 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
CN 223.6.6.6:80 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 223.5.5.5:443 dns.alidns.com tcp
CN 223.5.5.5:80 dns.alidns.com tcp

Files

memory/5408-0-0x0000000000180000-0x00000000001E3000-memory.dmp

C:\Windows\SysWOW64\f3e6fb70

MD5 d0c4f55d3fce3a91f97f636604c0537f
SHA1 2de1d1c27224745c9d6fcbbf210823b08856ad00
SHA256 27ffb8a7469dec29ab0cecd1f4453685b652e3ecfea02cf15018b11519a09977
SHA512 2c94b3e677f7c80e59ee591dbc93c5a2f25c56675fc42ed55a9e0fcad25088275dc8d09afd8e9bc6e25e001325a5464e56d47477ed7318df7ce9f62d2b0e0bd4

memory/5052-4-0x0000000000C10000-0x0000000000C73000-memory.dmp