Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1jcd4shedk
Target 98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d
SHA256 98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d
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

98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d

Threat Level: Known bad

The file 98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d was found to be: Known bad.

Malicious Activity Summary

collection discovery persistence spyware stealer privateloader risepro

Privateloader family

Risepro family

Reads user/profile data of web browsers

Drops startup file

Reads user/profile data of local email clients

Adds Run key to start application

Checks installed software on the system

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Program crash

Checks processor information in registry

outlook_win_path

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:40

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 21:40

Reported

2023-12-13 21:42

Platform

win10v2004-20231130-en

Max time kernel

140s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.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\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.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-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.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\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.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\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.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-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.exe

"C:\Users\Admin\AppData\Local\Temp\98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d.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 432 -p 3416 -ip 3416

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 1692

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 193.233.132.51:50500 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
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 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 17.53.126.40.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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 20.189.173.15:443 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 343ff6d92d15dff020c065598bba7c57
SHA1 1d5f119e3e78c1bd17408a20e9dce62014e30967
SHA256 98affda7cf20520a1b7219ee5397388ee7d61dd3a9ed209f0f03853e9c1be03d
SHA512 e14359e9621c0abf3ed8322fb0b34d2716354270e48dd2c0bb6a8845b5094bf720535ef3590ff2b339e18ba6cfe29190c8f73ea1742994a4788894a969c139de

C:\Users\Admin\AppData\Local\Temp\posterBox3ZLeoeR7BGNJ9\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBox3ZLeoeR7BGNJ9\QdX9ITDLyCRBWeb Data

MD5 e970f07ab6cd9d0072e89d83267cc3d8
SHA1 ff5d0c393b555485c8ecd324dccef53bba061818
SHA256 5108fd709c712fb6279e6228c2decec833d9dfee5a34c846b3372e3e7e4f3a7e
SHA512 c25c645447e3eda6a9648223905f46a77615e9b6729aebb1d829b0278c20052b413e16f4326d57a0b64ab31bdfd691136bc4879d1ea380dbe6efbbefec11951f

C:\Users\Admin\AppData\Local\Temp\grandUIA3ZLeoeR7BGNJ9\information.txt

MD5 8d6c3ee5ee841aa8d3b8af6b83253f51
SHA1 1fd5f7bef31d5c00f4b84041093f1110e9a7e775
SHA256 93e943eafb5e82899c12f9118944f6500d06774b6ae8cc06dd07429a119b8258
SHA512 0cb5fbe82c2137b6c36ba361bd8fba38d77c825562078e2fd5ed37ccaeecf7788f88a5836ca48413152f9573173b153e24b56a2327d4d0eca499019f3b242dd1