Malware Analysis Report

2025-08-06 03:34

Sample ID 231213-3ysezsbfg8
Target 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a
SHA256 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a
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

2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a

Threat Level: Known bad

The file 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a was found to be: Known bad.

Malicious Activity Summary

privateloader risepro collection discovery persistence spyware stealer

Privateloader family

Risepro family

Drops startup file

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Looks up external IP address via web service

Checks installed software on the system

Accesses Microsoft Outlook profiles

Adds Run key to start application

Drops file in System32 directory

Program crash

Unsigned PE

Enumerates physical storage devices

Checks processor information in registry

outlook_office_path

outlook_win_path

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:55

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 23:55

Reported

2023-12-13 23:58

Platform

win10v2004-20231127-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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\GPT.INI C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe

"C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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 -p -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 -pss -s 436 -p 2524 -ip 2524

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 1724

Network

Country Destination Domain Proto
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
N/A 224.0.0.251:5353 udp
US 193.233.132.51:50500 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.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 23.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 233.17.178.52.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 ff2f366a3c766a686a9ae5a74982252a
SHA1 cfa3e40713600842e9092ee8499ca33defc8d3ad
SHA256 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a
SHA512 5eeba1d359ce2cacde4a00524260d3aae5f42854c4f76537635e9ed27a8c6fcf16bcd34982ad3cf9665f0e19f6dd58c043ecd42a13bad1480f25a4a00e02c6e1

C:\Users\Admin\AppData\Local\Temp\posterBoxvfNtibh3_0vZH\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBoxvfNtibh3_0vZH\QdX9ITDLyCRBWeb Data

MD5 250f6cee6a8be4a85cd0d78b8f9ac854
SHA1 48a5be711abe88c0efb7204f6c792e67a99d390a
SHA256 21e090219937792f360789c94785cf969cf22fb9e2ae145dec419dc4beab1321
SHA512 4685c2cbc34566879e5c494f1433996ce9541e048a87036876d0ec426a02a13af6ed606575306522def4dd19a3fcc34b95335f492b21960b28e8f12be82a35b7

C:\Users\Admin\AppData\Local\Temp\grandUIAvfNtibh3_0vZH\information.txt

MD5 97fc12629b16b251ed8c29f0230bd4cb
SHA1 42ead08f52742000420701c5951292172bc4c2d1
SHA256 cd5a6db92599c69cf826dd4dfad8271c6eadf71a512f003b942c3beddaa43e91
SHA512 01daa3d7c58940148f5aa55a272c16aaa3b2a32b811d43be1dabdcab6fdf6230f2a5920cdad8cba1bc3c00c2cb299be84735052ffdfe95219f1000d347f86075