Malware Analysis Report

2025-08-05 12:23

Sample ID 231213-3gmheabfb2
Target af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31
SHA256 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31
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

af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31

Threat Level: Known bad

The file af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31 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

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Checks installed software on the system

Adds Run key to start application

Drops file in System32 directory

Program crash

Enumerates physical storage devices

Unsigned PE

Checks processor information in registry

outlook_office_path

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:29

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 23:29

Reported

2023-12-13 23:31

Platform

win10-20231129-en

Max time kernel

144s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe

"C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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 3664 -s 1600

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 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 210.108.222.173.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 80519ce315d13f3abf5e48148011d606
SHA1 ae9895dd41c05ed9224260f3bf94a83ac5d78e19
SHA256 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31
SHA512 095084ff0ccb306c1090239fb2e590b580502ed7c136ed6cb7c7806c3619368cc971004ec12770e080a6de481470672d1631cab2bfcbdc6cccfae5d4f7969e22

C:\Users\Admin\AppData\Local\Temp\posterBoxVWp00XXrmYm_c\QdX9ITDLyCRBWeb Data

MD5 8e8e7137325b5aa4e1206f338a7ccde7
SHA1 23a2d46d2812f664d8fff942d493e85afe5f6a27
SHA256 bbbd94e3e65b0cf446d3f651f1a557e479c2adc8c0c955a18addd89fcd7ffe25
SHA512 1512bc6ad27b5b794d44b2599ace04a325b32726a1c96e2f8a6f75d55c494e65a4cdd1ea241027d693cd54dc049ad4a23b2147bb1a49450b7949cc71dba06233

C:\Users\Admin\AppData\Local\Temp\grandUIAVWp00XXrmYm_c\information.txt

MD5 10c8deaf493f7682d1359fb15ef9d4c7
SHA1 754ef23eac7a39cae44d375519f708952547d13f
SHA256 b7728b316807843a040eb31a835c84dd169f60d701aa7e446c0223fbca2209c7
SHA512 3da38aec8ebc1a0f97aa4b6a17e1341ad69e8b5bd61bc3bb273b1104302805586d650d8ac873e1bd8a0c250c1e4a7775213ed2d5f63a00f31709ae1bf2396a5f