Malware Analysis Report

2025-08-05 12:22

Sample ID 231214-agg9gaacdk
Target 0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b
SHA256 0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b
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

0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b

Threat Level: Known bad

The file 0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b was found to be: Known bad.

Malicious Activity Summary

privateloader risepro collection discovery persistence spyware stealer

Risepro family

Privateloader family

Reads user/profile data of web browsers

Drops startup file

Reads user/profile data of local email clients

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks installed software on the system

Adds Run key to start application

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Program crash

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

outlook_win_path

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-14 00:10

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

2023-12-14 00:10

Reported

2023-12-14 00:13

Platform

win10v2004-20231130-en

Max time kernel

139s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.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\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.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-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.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\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.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\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.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-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.exe

"C:\Users\Admin\AppData\Local\Temp\0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b.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 432 -p 4028 -ip 4028

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 1704

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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.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 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 82.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 0e19a17ec0a08f56bbe93cd19ed93fe8
SHA1 5eb98e8a440857ca660d5adea49519ad3a77d62f
SHA256 0166d0371a9ea7a89566ee13137779bab2e125a544dbb9e3fab8913e0ed6c28b
SHA512 bd2e442f09c2f944e6ccb6c7e47a69983ab7e54911e8ab515055b8c99dbdf3e0c925151fe409b5f1b4b31bbc90aa36abed0f8a9cb75ba2cb3aa38585e4e10dde

C:\Users\Admin\AppData\Local\Temp\posterBox0MRaFXaWZKh9F\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBox0MRaFXaWZKh9F\QdX9ITDLyCRBWeb Data

MD5 506305b81ca2e2c270c8cc550edee2df
SHA1 370f5306fde08801c87244eac61f9716c863e8f5
SHA256 d14e92ff6924f3a4b2b97a83d3016d84377c0cf34c3e59a87d77cbd7ccbe12f6
SHA512 a63b5a7c3f89f642978f27017c3428500e43da3f9f94447b3779c90f4b7844b10727a3795a446de8641e3753925df209eb9cab016f2d941e5863e2c8be0903e8

C:\Users\Admin\AppData\Local\Temp\grandUIA0MRaFXaWZKh9F\information.txt

MD5 2044888d187833e7dd2becf8b2b1d8f6
SHA1 e836a77e8aa9c96e792bc37219fb1a7cb724e280
SHA256 dd174f999a632ef051dbb23309b88fad914a3afbd0c798d0ba2c5a798b1c0497
SHA512 c8983beca88dd568c3217fa00c821b9ec2926196847ea423a6aeb2d2e3d40015f2489e085042369c874533eab3605f33e3aecfe05b4e95709385cad6c78c8e2d