Malware Analysis Report

2025-08-10 17:28

Sample ID 231213-1kxrfahedq
Target 3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68
SHA256 3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68
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

3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68

Threat Level: Known bad

The file 3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68 was found to be: Known bad.

Malicious Activity Summary

privateloader risepro collection discovery persistence spyware stealer

Risepro family

Privateloader family

Drops startup file

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Looks up external IP address via web service

Adds Run key to start application

Checks installed software on the system

Accesses Microsoft Outlook profiles

Drops file in System32 directory

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious behavior: EnumeratesProcesses

outlook_office_path

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

outlook_win_path

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:43

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 21:43

Reported

2023-12-13 21:45

Platform

win10v2004-20231127-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.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\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.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-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.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\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.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\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.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-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe

"C:\Users\Admin\AppData\Local\Temp\3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68.exe"

C:\Windows\system32\svchost.exe

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

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 -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 444 -p 3584 -ip 3584

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 1668

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 224.0.0.251:5353 udp
US 193.233.132.51:50500 tcp
US 8.8.8.8:53 ipinfo.io udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 34.117.59.81:443 ipinfo.io tcp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.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 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 195.98.74.40.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 4f3b219c3bb5858bf47880a2c9639cfe
SHA1 e98d92ef494988bd143c7667de6fe9d5ba1878a3
SHA256 3d9056fdb45a687b98b3ff51a26d28c5e8ad751107db6381d55450e116f59c68
SHA512 cdc0d9217a1003e751b56c443dfddc3323e0f50bdb94571f5646b61608ed83392dfd42f4deb88fb449cf580aef2e80237a9a08b35871cb23027429260f335cf3

C:\Users\Admin\AppData\Local\Temp\posterBoxenS5HjbtFXmN6\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBoxenS5HjbtFXmN6\QdX9ITDLyCRBWeb Data

MD5 ce7f99b32cf0d8473697dfcf8fdcc1d7
SHA1 001451a4f514f593a55bcf2c50a3a22a926a7231
SHA256 8a57ebc2f09a2c28da6e9bfd41e48953d06c99dddc7103df08fefe90d446d350
SHA512 20be27aec29b8666654a8ff2ec43738e2727073611fa085a26c672f36c04e42b0688b1c146b23c3d188a2f9a5483b9a057064ae7a293064caba2dbd55bf81767

C:\Users\Admin\AppData\Local\Temp\grandUIAenS5HjbtFXmN6\information.txt

MD5 ca745b8704abb2d1be19d61774ea77b7
SHA1 36705afc6a40186c935015ce7c1fe5778fd8364d
SHA256 c6d7dd6cff02722e27fad9b275ec132b86e1963742f9ae677f08897fa6e14c78
SHA512 618468d35430d1836606962da0afa15e65e814dbefad62f8dd108d9d189244a5144f658f2cab866130b7afa55880d781e029ced12cae3386ac3adfc99448be3d