Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1l4ldaheel
Target 1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be
SHA256 1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be
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

1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be

Threat Level: Known bad

The file 1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be 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

Checks installed software on the system

Accesses Microsoft Outlook profiles

Adds Run key to start application

Looks up external IP address via web service

Drops file in System32 directory

Unsigned PE

Program crash

Enumerates physical storage devices

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

outlook_win_path

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:45

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 21:45

Reported

2023-12-13 21:47

Platform

win10v2004-20231127-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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 created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.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\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.exe

"C:\Users\Admin\AppData\Local\Temp\1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be.exe"

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 HR" /sc HOURLY /rl HIGHEST

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 452 -p 2084 -ip 2084

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 1672

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 0.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa 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 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 85.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 157.123.68.40.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 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
NL 52.111.243.29:443 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 1.173.189.20.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 bc769a9cb75cfc17e5a55237277e88ec
SHA1 cba6ca1eafacea82086e418751d727266cf292d7
SHA256 1d3b69c3e1b8f4d2cac648bf352c6cf52544708582d7e2f18cfbc807399905be
SHA512 b4e7057be3781ed46dd28c00f5f93f7986aa47fd71beb616d1d365abe8a62c325e55e22dfa7583133742d0278ee68558e0ad4b46d6e28d03ddf0140e9e6f06e3

C:\Users\Admin\AppData\Local\Temp\posterBoxE0br5cFGOrc_K\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBoxE0br5cFGOrc_K\QdX9ITDLyCRBWeb Data

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

C:\Users\Admin\AppData\Local\Temp\grandUIAE0br5cFGOrc_K\information.txt

MD5 60a5c7d7885d03133983fa1f3fa55e99
SHA1 ecffe1312a2ffe789e4d72e9063d2940935c595c
SHA256 350b898032644b764269414c7d10d53d4d4e8a16d473586ed29077a08d9f8e30
SHA512 52d5f46bbea1da7378ec2483f8babb1530ec827064da9d52d1e350afbe15a8e21357e86f796598e5261d6722aa8d50763b04a31ee91cb61d3a607faa58578e76