Malware Analysis Report

2025-08-06 03:34

Sample ID 231213-3y2zesbfh7
Target 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448
SHA256 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448
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

2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448

Threat Level: Known bad

The file 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448 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

Adds Run key to start application

Looks up external IP address via web service

Checks installed software on the system

Drops file in System32 directory

Unsigned PE

Program crash

Enumerates physical storage devices

outlook_office_path

outlook_win_path

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:56

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 23:56

Reported

2023-12-13 23:58

Platform

win10-20231023-en

Max time kernel

126s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.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\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.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-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.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\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.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\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.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-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe

"C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.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 800 -s 1576

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 96.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 9.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 6caa2fafb3daa1da81c7f1fcac3956a8
SHA1 be0a4610e12455c4807604bbd41646bbc5d7cb7d
SHA256 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448
SHA512 9876339d21ee82b8c34dc6fbb0cd5415f00384143d2bab79c8cbf8f8f1d962a1687e664d7f52f9262a1fc5b889747916dc4d49fa7e83354f8ad77fc52a48e3cf

C:\Users\Admin\AppData\Local\Temp\posterBoxQ5XzYd2xpZqie\QdX9ITDLyCRBWeb Data

MD5 674e2655c91200908ca7eea977ffc25b
SHA1 0ff0e11d5933cf382d7381edbc6f216d97a2e181
SHA256 6d9706346ebea4d1cdb447635404e8a662bc2f40bc6d829b45d50aeedeeaffaa
SHA512 304ad62ea8746a6dd086687bbd9d22031c2a731d0d7809ebffaaa6649ee16a9bc89e2dc17eb360dc81309fde5a797bd9398928708d63c08cc7d4e51c2f959642

C:\Users\Admin\AppData\Local\Temp\grandUIAQ5XzYd2xpZqie\information.txt

MD5 06d0b797fb9f9bcb6f9d5ed4d857186d
SHA1 fdd07b1c186caf1b1479e21927dc29f17eb5a5c3
SHA256 36502583021af5085846d714cc76b2036fa01a7560a57f2491d562f439e6e8af
SHA512 4746e5952dd959c756706c66d7c70e3c4cf6deb1666fc7ed6f3232adfa5ee31e71d992146b0a344f7bdf837188705aaa6f5a5916b3dd4c729c9afdc86e54424b