Malware Analysis Report

2025-08-10 17:28

Sample ID 231213-1g3hhsbae4
Target 6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea
SHA256 6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea
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

6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea

Threat Level: Known bad

The file 6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea 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

Looks up external IP address via web service

Adds Run key to start application

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 behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:38

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 21:38

Reported

2023-12-13 21:40

Platform

win10v2004-20231127-en

Max time kernel

142s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.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\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.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-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.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\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.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\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.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-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.exe

"C:\Users\Admin\AppData\Local\Temp\6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea.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 -p -s fhsvc

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 LG" /sc ONLOGON /rl HIGHEST

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1872 -ip 1872

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 1716

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 23.177.190.20.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 11.2.37.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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 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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 b03f6d41e1ead18e1877cfe0caa8abc0
SHA1 7aa39c03f631018aebe4947cab6e849cb20b498f
SHA256 6f39494069b3176cea8f2e351afbf885a2d94bb6211da2168f827939f8f8c3ea
SHA512 b5dd7206ea7e0a72ca1c7f42934f5addc0bc57be11e5e075c77bbe56e9d48dad1b7501f2d88c5310f83a95b5f55417c0df01f8a49b4a880b8a2055fef32790d2

C:\Users\Admin\AppData\Local\Temp\posterBoxJfmGyuZ0vaSYv\QdX9ITDLyCRBWeb Data

MD5 21363921c6943b0ba12e8c3cbd47a7fd
SHA1 03bb94c70b12783c4d1962cc7cb9f752ff8a9a54
SHA256 2f023e72c5bc9804a60441c14980fa8de30d3118e3d7ce67d8951989b1d90c4a
SHA512 3749d95295a281e18f7eca6bdecc45d0d08bc98a4da5d5b8ab21cd5022eed125b1b7a4b96c70ed486750be4eabd4da325ab9a7a1fb497dda4c4f30f9adf8da43

C:\Users\Admin\AppData\Local\Temp\posterBoxJfmGyuZ0vaSYv\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\grandUIAJfmGyuZ0vaSYv\information.txt

MD5 1e97084400d1f590fe2f5f8ffc2c523c
SHA1 de97565d367ef2b41eb14428c7d663cd1e5f13ae
SHA256 1fac184ad04ed0fe7962481636364345509c2b2d7c2a0f1307706694e58e72cc
SHA512 436f1cfdf823a4e569528e9d0842feb794b81af70fc8ffd5b656ea0135bde22b55fc83244bd4c464de130906fe67d5267d1d98fdeef25bbeec41083b8ee2ce7d