Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1jsq4abaf5
Target 6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491
SHA256 6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491
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

6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491

Threat Level: Known bad

The file 6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491 was found to be: Known bad.

Malicious Activity Summary

privateloader risepro collection discovery persistence spyware stealer

Privateloader family

Risepro family

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Drops startup file

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

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

outlook_office_path

outlook_win_path

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:41

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 21:41

Reported

2023-12-13 21:43

Platform

win10v2004-20231130-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.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\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.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-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.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\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.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\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.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-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.exe

"C:\Users\Admin\AppData\Local\Temp\6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491.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\SysWOW64\schtasks.exe

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

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 1676

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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.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 g.bing.com udp
US 34.117.59.81:443 ipinfo.io tcp
US 204.79.197.200:443 g.bing.com 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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 149.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.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 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 158.240.127.40.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 89e32398467d4d23b4e11e49d9c31f20
SHA1 0bc55c0003c88adc34b60906e7e1b505b76a3b4e
SHA256 6da343083b52daf01ff92ab01d8f62ad564faa18f862af2060d90e272443f491
SHA512 1e975c8c2c0a8bc1186b57b8d9f186f31f7404234edb69dd56b986cc0251022c2595530af3142920c032d0fbaf9222d70d550cc3f536ddfd2e84e98e282e1b1a

C:\Users\Admin\AppData\Local\Temp\posterBoxRirNI9VFDDNT6\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBoxRirNI9VFDDNT6\QdX9ITDLyCRBWeb Data

MD5 9ee081ca0d9c3cd479031e1ff265961b
SHA1 a2bfa65a2ddcd529a134ea08efd6965bcd0e5665
SHA256 2a260265cd76d10c19658a7db48e7f328aba6df399e28e2e73642d5904dd73b4
SHA512 6b9f28e80628042205df78d5393ba53ff9866ee25d92500a806055333f0fe3a93cb1516754b617c42a342d2852cb4f2cd37c849dbfd19bedb71aef5e642c33e6

C:\Users\Admin\AppData\Local\Temp\grandUIARirNI9VFDDNT6\information.txt

MD5 13eec8b50ffeebf482f9ed7756da4744
SHA1 d8a5c747f25fccb030a9298933d29b3880c8f37f
SHA256 a649ac6fd531588239adcec32e9bff3cb3724b065279ee54b6db2855c9955aca
SHA512 5329ba627da47a1dc15de79882c9cda02928c063b85ebf5fd6ddb5eb7575e05848b6e4d05b994b71c90649c48ba16bd06d0fde1b55b0746534c43c456899365e