Malware Analysis Report

2025-08-06 03:36

Sample ID 231213-3dfwfsaagj
Target feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f
SHA256 feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f
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

feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f

Threat Level: Known bad

The file feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f was found to be: Known bad.

Malicious Activity Summary

privateloader risepro collection discovery persistence spyware stealer

Privateloader family

Risepro family

Drops startup file

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Checks installed software on the system

Adds Run key to start application

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

outlook_office_path

outlook_win_path

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:23

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 23:23

Reported

2023-12-13 23:26

Platform

win10v2004-20231127-en

Max time kernel

145s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.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\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.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-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.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\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.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\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.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-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.exe

"C:\Users\Admin\AppData\Local\Temp\feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f.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 -p -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 -pss -s 448 -p 1176 -ip 1176

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 1668

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 193.233.132.51:50500 tcp
US 8.8.8.8:53 1.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
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 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 17.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 242.137.73.23.in-addr.arpa udp
US 8.8.8.8:53 7.173.189.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 d04c9a34fdb7ddd3c7c254f5cb3af855
SHA1 95ff0fe659698e126aa406933aadedfda1f50766
SHA256 feeaa17ae8353f6ec1a5e423db0807b375da4239a422779f93f338314c93e93f
SHA512 7abe1b4bf1f46b5f64a7f5d4d2bd09ad42276d607427bddf3d28872bda372ab978530828bcd5a994b898884a1a356241ab0cfbeefe448b55f401228628e99c18

C:\Users\Admin\AppData\Local\Temp\posterBoxTZtylikzcQkk7\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBoxTZtylikzcQkk7\QdX9ITDLyCRBWeb Data

MD5 15b15858232eb73939154fa51070f7d9
SHA1 c5d442be8afd48c12f3e10324d74c274ebad25d8
SHA256 415b5d95ff3e636716deaa385106694fcc257f82be4fe831fdaed420bba50cf2
SHA512 8477c2a94ecbecff9d79d3f73713d568ab29260cd51397f54939629531aa84eeaaffc742bef744da071718b597b15e8870c547cf1dfeb122686bb9e59a7dfd86

C:\Users\Admin\AppData\Local\Temp\grandUIATZtylikzcQkk7\information.txt

MD5 f33337d2700f6cdd75c3ed0ac12fb98e
SHA1 8001ae8da9144652433cd026765fc7492849a6fe
SHA256 95a9c3c72fe3ff886cab808d739e9ee75c58c1b6f73adcb34fd677f91a55a7dc
SHA512 ae0b4f8126aa45f2a38ea661c1f46ee4584848259dbcf21375a4592b13804651d14a2ba0fe6f36f008c2f39a52e7481470c420efeee85d7e853e855597f7c998