Malware Analysis Report

2025-08-10 17:28

Sample ID 231213-1k8tpshedr
Target f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981
SHA256 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981
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

f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981

Threat Level: Known bad

The file f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981 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 local email clients

Reads user/profile data of web browsers

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

Unsigned PE

Program crash

Enumerates physical storage devices

outlook_win_path

outlook_office_path

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

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 21:46

Platform

win10-20231129-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe

"C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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 5088 -s 1632

Network

Country Destination Domain Proto
US 193.233.132.51:50500 tcp
US 8.8.8.8:53 ipinfo.io udp
US 34.117.186.192:443 ipinfo.io tcp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 192.186.117.34.in-addr.arpa udp
US 8.8.8.8:53 129.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.181.190.20.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 5e47ed582ef8b2c6c8916f66b3bac830
SHA1 9157903b4858143be8f493fb09d08cc7466daef6
SHA256 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981
SHA512 441f8fc6b8f0a7d37171bff0b5df547c7337eb8a49d0e574aad8e2aee3109727de36184aff07882170ed8e66bd919aaed294ce3c76ae05e142dc6ab5b0d3f898

C:\Users\Admin\AppData\Local\Temp\posterBoxGPbqRYjjz403_\QdX9ITDLyCRBWeb Data

MD5 982861d9583057c9107636f512d24c82
SHA1 b8f0f8e9d07dc653f587912d1aba91bfd8cd9bab
SHA256 49bcb23ce630b736c6ff8a08cc8929ac5c1168fd367c9ddfa79c1939efed95d5
SHA512 31f616df72551dc1b5732692efd746ec336fb0dfe38dd3a7a2f08c46abb8b6757d9542889f63f63698317a50fc0de65aa0d29cc9ac0115c59486ed7a163c3539

C:\Users\Admin\AppData\Local\Temp\grandUIAGPbqRYjjz403_\information.txt

MD5 8949b53de371c3975ce9eb1ce0341abe
SHA1 4ece070bd5ef938eaabffd15cef090adadd6886b
SHA256 5491ca4891513593a46fd6245ec10aaaf4ed71026806de7ff1e222380f4183f9
SHA512 762a91b05b35b58472b5ce3131f2aa5b3908e7423ccedab40bc82b2479f0b9fdc049b342ccc6b0e6a1046f3d03f95e51191afda170b1300de43dfaaa19819516