Malware Analysis Report

2025-08-05 14:35

Sample ID 250702-x36waagj6x
Target f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d
SHA256 f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d
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

f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d

Threat Level: Shows suspicious behavior

The file f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d 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

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Modifies data under HKEY_USERS

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 19:26

Platform

win10v2004-20250610-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Syswow64\c0e16163 N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\c0e16163 C:\Users\Admin\AppData\Local\Temp\f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\Syswow64\c0e16163 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\Syswow64\c0e16163 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\Syswow64\c0e16163 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\Syswow64\c0e16163 N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\656bc8 C:\Windows\Syswow64\c0e16163 N/A
File opened for modification C:\Windows\265980 C:\Users\Admin\AppData\Local\Temp\f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d.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\f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Syswow64\c0e16163 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\History\CachePrefix = "Visited:" C:\Windows\Syswow64\c0e16163 N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Windows\Syswow64\c0e16163 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" C:\Windows\Syswow64\c0e16163 N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\Syswow64\c0e16163 N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\Syswow64\c0e16163 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" C:\Windows\Syswow64\c0e16163 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" C:\Windows\Syswow64\c0e16163 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" C:\Windows\Syswow64\c0e16163 N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d.exe N/A
Token: SeTcbPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Syswow64\c0e16163 N/A
Token: SeTcbPrivilege N/A C:\Windows\Syswow64\c0e16163 N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d.exe

"C:\Users\Admin\AppData\Local\Temp\f40bd31a73a8f0376fb9c672f146819aa5ba07413ae56d5c0ac21b901473418d.exe"

C:\Windows\Syswow64\c0e16163

C:\Windows\Syswow64\c0e16163

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 223.6.6.6:443 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/2240-0-0x0000000000BA0000-0x0000000000C03000-memory.dmp

C:\Windows\SysWOW64\c0e16163

MD5 fd6064ffa0d73b416957f0bfc8f1c716
SHA1 f830fbd9e31e18d0dea97b8081f0e579c3a44713
SHA256 b0984aec36b2861569e3eba2ceffd640179fce1821291d767b14b1e34913dcc6
SHA512 8308fd8bd046ffb72b7d05ff40f9292049a10ff9c893c6700c8d9acc8c34238eda57c39635ec915c0e7d5d6efaed5e99a6051ba27abf2f8f5448cfdaecf90d95

memory/5924-4-0x0000000000AC0000-0x0000000000B23000-memory.dmp