Malware Analysis Report

2025-08-06 03:35

Sample ID 231213-3cj7gsaafq
Target 6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3
SHA256 6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3
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

6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3

Threat Level: Known bad

The file 6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3 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

Drops startup file

Reads user/profile data of local email clients

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

outlook_win_path

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:22

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 23:22

Reported

2023-12-13 23:24

Platform

win10-20231020-en

Max time kernel

126s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.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\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.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-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.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\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.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\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.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-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-459651055-4136032345-1270294931-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.exe

"C:\Users\Admin\AppData\Local\Temp\6a8d0215a7bf8a9209a99043b37c4aebf297783bda9afe4fd6f9cf21fc5796a3.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 4564 -s 1564

Network

Country Destination Domain Proto
US 193.233.132.51:50500 tcp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 ipinfo.io udp
US 34.117.59.81:443 ipinfo.io tcp
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
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 252.15.104.51.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 ba26ad99a055ce8e3cc59a5b277959b5
SHA1 dd92623e722287761d2b5a5d09f915e770d19611
SHA256 e1c08a2fb6a550bcfe121255b419836ac85b068691ffb865e63e1e8257903f3b
SHA512 dde7d0bd6bf4af44cc68b872ba8ec6dcc6aca6c263b36a3869cd221f42f80560074c843cb7ea390bcf31815d2f41eb9be5d128e149d3d7e8b4f7dbbc6e55a480

C:\Users\Admin\AppData\Local\Temp\posterBoxYbSuqyVzH3mKC\QdX9ITDLyCRBWeb Data

MD5 5be96e311859379e2bf53d4ca9b3292c
SHA1 7da91b40529fcba8bc68442aa06ea9491fdbb824
SHA256 c46a65bf3fc90038a2d876d103dbe658259594e90fddc223951cddb9ac9af99c
SHA512 a39d3c2c45deb0509ffeab971b096a90748f0fa6e3f1bacea6f8c9dfcae985ad1b45d5d48306ce06d065e92063e8156fea44c0a87e9ca99bae6838fd53edb057

C:\Users\Admin\AppData\Local\Temp\grandUIAYbSuqyVzH3mKC\information.txt

MD5 ab12dd6915a6f92d541a5ffc8b9c4fb8
SHA1 f2be770b8686bcfa649243309eb2ec2d7fe65d15
SHA256 80d60b5982d837cae18a849e4ba4b99145d9c21dc6eb0080a01200b60d33fe14
SHA512 45be32cbda8ceec2194627e4e2083fbf9b5645a1523bc45c92e8da0ff69bdcecfbf94c77251b3f8c1464efc5ddb8e6cab187d0d23fc42482e62d64964dcf10ef