Malware Analysis Report

2025-08-06 03:36

Sample ID 231213-3beklsbeg3
Target 44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e
SHA256 44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e
Tags
collection discovery persistence spyware stealer privateloader risepro
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

44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e

Threat Level: Known bad

The file 44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e was found to be: Known bad.

Malicious Activity Summary

collection discovery persistence spyware stealer privateloader risepro

Risepro family

Privateloader family

Reads user/profile data of web browsers

Drops startup file

Reads user/profile data of local email clients

Accesses Microsoft Outlook profiles

Adds Run key to start application

Checks installed software on the system

Looks up external IP address via web service

Drops file in System32 directory

Program crash

Unsigned PE

Enumerates physical storage devices

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

outlook_win_path

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:20

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 23:20

Reported

2023-12-13 23:22

Platform

win10v2004-20231130-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.exe

"C:\Users\Admin\AppData\Local\Temp\44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e.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 2716 -ip 2716

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 1716

Network

Country Destination Domain Proto
US 8.8.8.8:53 17.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.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 g.bing.com udp
US 204.79.197.200:443 g.bing.com 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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 2f4002e56b116aaeab131a8f1d287a0f
SHA1 658bde9515168748470c63cdcca8406e41932ce5
SHA256 44da7e26798bf5d15fbd8084026db99ce5a323367724e82886f3d86b35bc244e
SHA512 0baeec3b2ee16cbce0156e0eb40f3db6989cb801d914e34f895b800b365708aac38a28f15175c9a736e3aa69f92cb5c84d8a46a80478abb6b90fbf0fdc249d73

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

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

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

MD5 9ee081ca0d9c3cd479031e1ff265961b
SHA1 a2bfa65a2ddcd529a134ea08efd6965bcd0e5665
SHA256 2a260265cd76d10c19658a7db48e7f328aba6df399e28e2e73642d5904dd73b4
SHA512 6b9f28e80628042205df78d5393ba53ff9866ee25d92500a806055333f0fe3a93cb1516754b617c42a342d2852cb4f2cd37c849dbfd19bedb71aef5e642c33e6

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

MD5 07240845224b0f970a8a67ba21db4fa9
SHA1 669f4c97034b3e09691ec7ffdce2c8742758d62f
SHA256 22ac3ee9312226146cdbaac25bff17b3a731a5a37fbe6b0f5fbdc6380b65bdad
SHA512 8ac0a04efb811c7ddf842c16b29ff04b382808c83ea32874d47d720916fed57ae31607c91207f49492c8ab82048c57565790bf5eb74ead760948788602e969e9