Malware Analysis Report

2025-08-10 17:28

Sample ID 231213-1lhc5sbag3
Target 411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489
SHA256 411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489
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

411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489

Threat Level: Known bad

The file 411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489 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

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

Program crash

Unsigned PE

Enumerates physical storage devices

Creates scheduled task(s)

Checks processor information in registry

Suspicious use of WriteProcessMemory

outlook_office_path

Suspicious behavior: EnumeratesProcesses

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:44

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 21:44

Reported

2023-12-13 21:46

Platform

win10-20231020-en

Max time kernel

126s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.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\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.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-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.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\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.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\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.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-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.exe

"C:\Users\Admin\AppData\Local\Temp\411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489.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 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 -u -p 4964 -s 1560

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 8.8.8.8:53 129.134.221.88.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 c1a7c7faf7f611311cf47eed7e44dad2
SHA1 c41740115fcb67bbbd35c0e1bb00a715f9e818b5
SHA256 411534e91037b2a3fe2af9d41b55d8b3c7f1eb3c3cc4d0efb5dec9e3054da489
SHA512 2e8af9e68df4690b14f66110e3bcb692e772e059d25f7dc7595cbd869644dadb51a32e9ca1a1a3b683702352b852dac1af4784cd1c2569d02db10adc96cbc3bb

C:\Users\Admin\AppData\Local\Temp\posterBoxs3tbbEsipaDiD\QdX9ITDLyCRBWeb Data

MD5 908cc2dad5eb4412aaa2a85beb5f6341
SHA1 a5f1b88092d219e71e8969d01ee2a3ae669a5600
SHA256 210fc747617b64d2430897b4c11cd5dc81bc3a991d7c622b90918ce4d112baa4
SHA512 38729498bd42d999c38dc769cc79057917a933080d608574460fe7ba7c9409db4e01979044151bc0922b1a9816398e25b7be59976bd318b1202b5d13fcf03cd9

C:\Users\Admin\AppData\Local\Temp\grandUIAs3tbbEsipaDiD\information.txt

MD5 6de1a00fcc1cf69614ace360c6485c68
SHA1 4bef6401872cfb989d2bb35b680618d6d737b36a
SHA256 4e38823d631fe790b4cdf073a4efcd337494e4f8956a1358071a4595124d020f
SHA512 fb841a69c94fb8a1e38b4c543296a1620e8910b8bf313e4662f1df6be72fe3edb9b799e08dac0b76e09106b78b0f972e2356c3a1b25b791612479a06ad56a6b4