Malware Analysis Report

2025-08-05 12:23

Sample ID 231213-3nfcnsbfd6
Target 7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661
SHA256 7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661
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

7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661

Threat Level: Known bad

The file 7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661 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

Reads user/profile data of local email clients

Drops startup file

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Adds Run key to start application

Checks installed software on the system

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Program crash

Creates scheduled task(s)

outlook_win_path

Checks processor information in registry

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:39

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 23:39

Reported

2023-12-13 23:41

Platform

win10-20231129-en

Max time kernel

141s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.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\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.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-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.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\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.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\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.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-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.exe

"C:\Users\Admin\AppData\Local\Temp\7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661.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 3376 -s 1564

Network

Country Destination Domain Proto
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 96.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 175.21.199.152.in-addr.arpa udp
US 8.8.8.8:53 14.173.189.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 e3b774d8abf1b542c3963293f56b767d
SHA1 514025bf4db4faab0d4d59c270dd4de2ec50e8cf
SHA256 7af52ce279826e145363f0bb135dfc2737b1ac7394afae637eda3e3009a6a661
SHA512 6a3289ea9fc1e89bf67122004f76c8fa0d9e6b01ce14559678069648be7422ee90c72be65201c853fed96764171afaecfa6f0e8355c495d745716858d74944a7

C:\Users\Admin\AppData\Local\Temp\posterBox2u6QZSnJsHk89\QdX9ITDLyCRBWeb Data

MD5 8e8e7137325b5aa4e1206f338a7ccde7
SHA1 23a2d46d2812f664d8fff942d493e85afe5f6a27
SHA256 bbbd94e3e65b0cf446d3f651f1a557e479c2adc8c0c955a18addd89fcd7ffe25
SHA512 1512bc6ad27b5b794d44b2599ace04a325b32726a1c96e2f8a6f75d55c494e65a4cdd1ea241027d693cd54dc049ad4a23b2147bb1a49450b7949cc71dba06233

C:\Users\Admin\AppData\Local\Temp\grandUIA2u6QZSnJsHk89\information.txt

MD5 6eaa553285d3d26b9f7ffc502976cb3e
SHA1 c538f030c15f0f6388a0660d0a274ef3fa072e76
SHA256 3bcf31742f723d5feeaec49e224aa3bfb3940bfd1ca55aa264da9d733d5c1915
SHA512 a22e7a2033d29ccebe3e7ce1155acbfe15fb94ca26e91b2fd0c5a1591bf1cd9d87ab3f19e422ff955462e9d4beec59a7c5c25a5f7e954b5c547a2deae80804f1