Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1gsnbahecm
Target b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b
SHA256 b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b
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

b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b

Threat Level: Known bad

The file b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b 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

Reads user/profile data of web browsers

Drops startup file

Accesses Microsoft Outlook profiles

Checks installed software on the system

Adds Run key to start application

Looks up external IP address via web service

Drops file in System32 directory

Program crash

Unsigned PE

Enumerates physical storage devices

outlook_win_path

outlook_office_path

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:37

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 21:37

Reported

2023-12-13 21:40

Platform

win10-20231025-en

Max time kernel

127s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.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\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.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-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.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 created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.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\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.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-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2852493121-870915337-2715324265-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.exe

"C:\Users\Admin\AppData\Local\Temp\b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b.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 1828 -s 1600

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 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 129.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 47d99588a42bd1fb9d272c449c4ab9cc
SHA1 d2461d29500a220e26a7408420c191b8c4eed3eb
SHA256 b02b8ac5bc8420a269b0a43a0e792e59f4c6d2c6c0cd8825558c59ce3b74b86b
SHA512 11c31f3947e60bd9e4c7c98cf8057ae701d91f8958b86a0d0d33abccae198a84c70c22762b0d153ea21a6b8142969f45934a2351003abb20d6ec202076710138

C:\Users\Admin\AppData\Local\Temp\posterBoxvLUxZOvIIqqf7\QdX9ITDLyCRBWeb Data

MD5 5962032f5f9ef10ad7afb6c595abf5c6
SHA1 fe47554bacd8ac1f3b9c249eb36c50aa0a8fd241
SHA256 0a5f892414b30f17d2a99466c400da50eef364501550d1835578042b084baa1e
SHA512 c4fb5d51f9b973f331a381577c7e5df57a92547d8192dfa100f41d0e1f5c1075dc04709372f7de929d433ac2a2b8c432c876744a41718b2005fc3453d2260f8e

C:\Users\Admin\AppData\Local\Temp\grandUIAvLUxZOvIIqqf7\information.txt

MD5 3d7497924c74cd6ec70469ae33a5208c
SHA1 c46b09121c86d19396039bb7613700a3f521bb3a
SHA256 8e86f5542ff3f2d1c870be0a7f65c958f46432383999bd79ca9af07ce6d04f9c
SHA512 dc4d4905869355037aa7ba433f96d55ac6b3cbf42497fb7ccf7ba4bb5de89ed31fcef510bd11716ee487f7bef9354ece751629abb20d677d01b90a871e365a8c