Malware Analysis Report

2025-08-05 14:35

Sample ID 250702-x3pxrszxhy
Target 1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422
SHA256 1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422

Threat Level: Shows suspicious behavior

The file 1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422 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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-07-02 19:22

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-07-02 19:22

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\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Syswow64\8a46fdea N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\8a46fdea C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\Syswow64\8a46fdea N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\Syswow64\8a46fdea N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\Syswow64\8a46fdea N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\Syswow64\8a46fdea N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\4afcb8 C:\Windows\Syswow64\8a46fdea N/A
File opened for modification C:\Windows\6256e0 C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.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\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Syswow64\8a46fdea 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\Cookies\CachePrefix = "Cookie:" C:\Windows\Syswow64\8a46fdea N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\Syswow64\8a46fdea N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ C:\Windows\Syswow64\8a46fdea N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" C:\Windows\Syswow64\8a46fdea N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" C:\Windows\Syswow64\8a46fdea N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\Syswow64\8a46fdea N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" C:\Windows\Syswow64\8a46fdea N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" C:\Windows\Syswow64\8a46fdea N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe N/A
Token: SeTcbPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Syswow64\8a46fdea N/A
Token: SeTcbPrivilege N/A C:\Windows\Syswow64\8a46fdea N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe

"C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe"

C:\Windows\Syswow64\8a46fdea

C:\Windows\Syswow64\8a46fdea

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
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/5744-0-0x0000000000D40000-0x0000000000DA3000-memory.dmp

C:\Windows\SysWOW64\8a46fdea

MD5 af3d47695926194b59a94ff85614c972
SHA1 7075f3c7d8329238558d9752c2be07f3869ffcf5
SHA256 3c970d079048ba4707c946b69d595db81468dc24daff499e141ff79e29e592b6
SHA512 baa07079eeb84be5b000b6768a1662ea93b1cd509342706651545cf4cd0741f7c8f72584eb3a21be5fd5c393338355e0912b384174ea221594010bc1c0cd48c7

memory/4380-4-0x0000000000810000-0x0000000000873000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-07-02 19:22

Reported

2025-07-02 19:25

Platform

win11-20250502-en

Max time kernel

142s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe"

Signatures

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\Syswow64\fefa9a45 N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\Syswow64\fefa9a45 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\Syswow64\fefa9a45 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\Syswow64\fefa9a45 N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\Syswow64\fefa9a45 N/A
File created C:\Windows\SysWOW64\fefa9a45 C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\394020 C:\Windows\Syswow64\fefa9a45 N/A
File opened for modification C:\Windows\4bcf18 C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.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\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Syswow64\fefa9a45 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\fefa9a45 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" C:\Windows\Syswow64\fefa9a45 N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\Syswow64\fefa9a45 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" C:\Windows\Syswow64\fefa9a45 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" C:\Windows\Syswow64\fefa9a45 N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" C:\Windows\Syswow64\fefa9a45 N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\Syswow64\fefa9a45 N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\Syswow64\fefa9a45 N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe N/A
Token: SeTcbPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Syswow64\fefa9a45 N/A
Token: SeTcbPrivilege N/A C:\Windows\Syswow64\fefa9a45 N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe

"C:\Users\Admin\AppData\Local\Temp\1ff4412c0fa73fd89adbea864b03ecc7f141376ddbbf93b64068a520b6495422.exe"

C:\Windows\Syswow64\fefa9a45

C:\Windows\Syswow64\fefa9a45

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
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
IE 20.190.159.71:443 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/4428-0-0x00000000003F0000-0x0000000000453000-memory.dmp

C:\Windows\SysWOW64\fefa9a45

MD5 2986518ff0db3e1647634a0bcbc52dad
SHA1 6eeee9de3e36890fd4c1079aa10c73f8186d4817
SHA256 0124c7522bd3fb963d206c59cda2744f603ee5d310800b563810096168b30a04
SHA512 90a96451a2b0490aa646d4fb8ff5187965b4d1b8a43e73c1178603aa674114c63a38f0fc9fdf0ca8ba1400fb9df05c4d1c4bb1924879835f85e688b9d6b7b06a

memory/3344-4-0x00000000007C0000-0x0000000000823000-memory.dmp