Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1jh7nabae9
Target 4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6
SHA256 4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6
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

4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6

Threat Level: Known bad

The file 4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6 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

Adds Run key to start application

Looks up external IP address via web service

Checks installed software on the system

Accesses Microsoft Outlook profiles

Drops file in System32 directory

Program crash

Enumerates physical storage devices

Unsigned PE

Creates scheduled task(s)

outlook_office_path

Suspicious use of WriteProcessMemory

Checks processor information in registry

outlook_win_path

Suspicious behavior: EnumeratesProcesses

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 21:43

Platform

win10v2004-20231130-en

Max time kernel

140s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.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\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.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-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.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\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.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\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.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-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.exe

"C:\Users\Admin\AppData\Local\Temp\4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6.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 -p -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 -pss -s 444 -p 3132 -ip 3132

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 1676

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 16.53.126.40.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 ipinfo.io udp
US 34.117.59.81:443 ipinfo.io tcp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
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 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 146.177.190.20.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 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
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 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 201.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 9b2439b4cacf99bd5b5ff4e3625dc4c6
SHA1 4a040a5a86247966807352fe75dbeb56e40b4c85
SHA256 4f22aade6dd6ba886639c65f0100c7dffcdd8344c967bb9024dfe7a2934a54c6
SHA512 5cf25fd9746c78c1abb4d20ddf04e97d1ff1136adfcfa6030a6e29a9438f0fdb98afa6d9dae289f961a7423ef5286ccf5878480ff978cf7f85b11ba3874f07b7

C:\Users\Admin\AppData\Local\Temp\posterBox2Og4nezXcTmbH\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBox2Og4nezXcTmbH\QdX9ITDLyCRBWeb Data

MD5 5bca7f96843d97e2c39afbb8b5f9865b
SHA1 e64666a5d705a768e2351621577a386400111251
SHA256 e25c46923271e687a972edfcf511d7685c24ce2e509a5b10d0ba4cd6f2bfeab2
SHA512 40771d495b407c0ede8ad3e5d8e77cf588a607426f0597f0c10a81ec7b2614f28a66a1c5ff36bf8bf6905bdc6b537d8cc5a749725adfc57f72ec3c9ee17f76d3

C:\Users\Admin\AppData\Local\Temp\grandUIA2Og4nezXcTmbH\information.txt

MD5 6cba24faed88b742e38838a330d959ae
SHA1 772ed092318bf0b6700f1e64199c9cdc3195e025
SHA256 7f34d7a9bfd7d6fe7c8c25114d20fd5a32d84a428be52e42847b425ca0ea6af8
SHA512 5f43b4ebfdb8953e8bef7a24a6813f5653ac86a48a0f8f3eb7c1accf8c38fd8884924a1182e24bc0c1659923fddf9bcb45d11c4dc448b5d511530bc2a4a123bd