Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1h75dshedj
Target c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c
SHA256 c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c
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

c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c

Threat Level: Known bad

The file c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c 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 web browsers

Reads user/profile data of local email clients

Drops startup file

Accesses Microsoft Outlook profiles

Checks installed software on the system

Looks up external IP address via web service

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Program crash

outlook_win_path

Creates scheduled task(s)

Checks processor information in registry

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

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

win10-20231129-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.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\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.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-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.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 created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.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\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.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-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.exe

"C:\Users\Admin\AppData\Local\Temp\c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c.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 4208 -s 1512

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 8.8.8.8.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 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 18.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 ebf85ce98e1e3cd174dc0b9364924127
SHA1 5ad8441e71c453ecc272ddd350f336d5de2edf99
SHA256 c079139a3d67042d01965a5a8cc1ad8bc53eaaec8457745c807c383ce654f06c
SHA512 e4ea1ece6e6501c582baee273d29cef6b6a7aeab5f5682c351f8cec6c8d8fc4ecec2cd9d8af03e9d3e636e0319b188a0f83a6bb467fd4859afcbccb753485a88

C:\Users\Admin\AppData\Local\Temp\posterBoxKYXWJI2Uq8EWe\QdX9ITDLyCRBWeb Data

MD5 982861d9583057c9107636f512d24c82
SHA1 b8f0f8e9d07dc653f587912d1aba91bfd8cd9bab
SHA256 49bcb23ce630b736c6ff8a08cc8929ac5c1168fd367c9ddfa79c1939efed95d5
SHA512 31f616df72551dc1b5732692efd746ec336fb0dfe38dd3a7a2f08c46abb8b6757d9542889f63f63698317a50fc0de65aa0d29cc9ac0115c59486ed7a163c3539

C:\Users\Admin\AppData\Local\Temp\grandUIAKYXWJI2Uq8EWe\information.txt

MD5 6bf2104b9087f7bd525fac26ae7ef58f
SHA1 29207882c06acab8e1c7c14d0f8bf60d842ce479
SHA256 129caa0400758821862cfa6687a4efd50d8036facb2ebdce31e9c993a79a8b53
SHA512 4f81fc6e7f491e1fb0442e471420031b3940439f598b3ff34d1328841741d1abb35314f6bce944a91251cef84c7988d0501ea0ff70d4abf800cc61d00707c678