Malware Analysis Report

2025-08-05 12:23

Sample ID 231213-3j8hnaabbj
Target dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3
SHA256 dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3
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

dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3

Threat Level: Known bad

The file dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3 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

Drops startup file

Reads user/profile data of web browsers

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Checks installed software on the system

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

outlook_office_path

Checks processor information in registry

outlook_win_path

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:33

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 23:33

Reported

2023-12-13 23:36

Platform

win10v2004-20231127-en

Max time kernel

131s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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\GPT.INI C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.exe

"C:\Users\Admin\AppData\Local\Temp\dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3.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 460 -p 1484 -ip 1484

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 1680

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 21.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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 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 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 0.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 478fbccad2ab41b7ff5d0cc4717683ea
SHA1 1547314fc8ca57845b56204ea4a38e27d678fc79
SHA256 dc7132d6729a3c84604716e679e41a8156e87c8cb48f309a3b84fb47d5783cb3
SHA512 e17dd63b58b4b9140531d3723c91dd045ab573ec996fda8632b3e83eabe7f01c476be618e959f085da410b9c84334c018e817648d8717da288115ffbfc71597e

C:\Users\Admin\AppData\Local\Temp\posterBoxi8knHdvhZwkbe\QdX9ITDLyCRBWeb Data

MD5 15b15858232eb73939154fa51070f7d9
SHA1 c5d442be8afd48c12f3e10324d74c274ebad25d8
SHA256 415b5d95ff3e636716deaa385106694fcc257f82be4fe831fdaed420bba50cf2
SHA512 8477c2a94ecbecff9d79d3f73713d568ab29260cd51397f54939629531aa84eeaaffc742bef744da071718b597b15e8870c547cf1dfeb122686bb9e59a7dfd86

C:\Users\Admin\AppData\Local\Temp\posterBoxi8knHdvhZwkbe\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\grandUIAi8knHdvhZwkbe\information.txt

MD5 78acd0ce571a38aba711f1d1b062b771
SHA1 2c23777f02ffb2d81e196ab1fca91650b710fb01
SHA256 beab47b06d4217f7c3150dfaf06a5a425ca0e0344e99919f107ab94222bd1863
SHA512 292545be6864f4630a721609b409ecd863d641a4c6ea6f93acb4059ebd5fe3583a55953330c7e2759cdc8f77a5d448e184739d5b6d615f09aefa1506873788d5