Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1fmqnshebk
Target 351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd
SHA256 351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd
Tags
privateloader risepro collection discovery persistence spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd

Threat Level: Known bad

The file 351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd was found to be: Known bad.

Malicious Activity Summary

privateloader risepro collection discovery persistence spyware stealer

Risepro family

Privateloader family

Reads user/profile data of local email clients

Drops startup file

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks installed software on the system

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Program crash

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

outlook_office_path

outlook_win_path

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:35

Signatures

Privateloader family

privateloader

Risepro family

risepro

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-13 21:35

Reported

2023-12-13 21:38

Platform

win10-20231129-en

Max time kernel

131s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A ipinfo.io N/A N/A
N/A ipinfo.io N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe

"C:\Users\Admin\AppData\Local\Temp\351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum

\??\c:\windows\system32\svchost.exe

c:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 1568

Network

Country Destination Domain Proto
US 193.233.132.51:50500 tcp
US 8.8.8.8:53 ipinfo.io udp
US 34.117.59.81:443 ipinfo.io tcp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 96.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 bfac31b87f82e4505f1f1966bafa4e23
SHA1 fc85c8c2801ff6d5d2373ff2b2080c87ef6f6c68
SHA256 351229567c94b3fc3e27daf916dea311b74b14133d906e7652180ad07c2858cd
SHA512 f7693e898c97a88125ca3295d8eee22ab5319827eff3322e4f6ecc82b9fbfd26e5c24112077d067391034fbce181006f11f635d0bb079d43402013388bdf5f05

C:\Users\Admin\AppData\Local\Temp\posterBoxNru9NqXR73ea_\QdX9ITDLyCRBWeb Data

MD5 982861d9583057c9107636f512d24c82
SHA1 b8f0f8e9d07dc653f587912d1aba91bfd8cd9bab
SHA256 49bcb23ce630b736c6ff8a08cc8929ac5c1168fd367c9ddfa79c1939efed95d5
SHA512 31f616df72551dc1b5732692efd746ec336fb0dfe38dd3a7a2f08c46abb8b6757d9542889f63f63698317a50fc0de65aa0d29cc9ac0115c59486ed7a163c3539

C:\Users\Admin\AppData\Local\Temp\grandUIANru9NqXR73ea_\information.txt

MD5 4508521c5ad7146fcc561c4cb3822b1d
SHA1 98375746192e149524fd78d03f48a901122e2bf9
SHA256 afdb8c0161150c9c570ae1265ecaaf853217d31647cf337a88e5ccf85d48ce9b
SHA512 799bfd561a228a847d8ffb3eb4b9451f7dd87f1e68e4f27988c477d065d3b482dd7ac6838a8fc5ebc20e7deda91e1d3f288dec09b55c10babcc357184a28ea8a