Malware Analysis Report

2025-08-06 03:36

Sample ID 231213-29pykabee8
Target cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712
SHA256 cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712
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

cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712

Threat Level: Known bad

The file cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712 was found to be: Known bad.

Malicious Activity Summary

privateloader risepro collection discovery persistence spyware stealer

Risepro family

Privateloader family

Drops startup file

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Checks installed software on the system

Looks up external IP address via web service

Adds Run key to start application

Accesses Microsoft Outlook profiles

Drops file in System32 directory

Program crash

Enumerates physical storage devices

Unsigned PE

outlook_office_path

outlook_win_path

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:17

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 23:17

Reported

2023-12-13 23:19

Platform

win10-20231129-en

Max time kernel

131s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.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\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.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-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.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\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.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\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.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-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.exe

"C:\Users\Admin\AppData\Local\Temp\cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712.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 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 -u -p 4376 -s 1564

Network

Country Destination Domain Proto
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 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 129.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 3.181.190.20.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 26aa5a6aefb7f748a509d2056ee68baa
SHA1 27e2cf9e54276b78125da8d5543da4ac162bbe47
SHA256 cd2c825d681a1b4bb9fd2fd8220eea207137fdb0a4ef1281c02a5bceb6ffc712
SHA512 a44adece8b6903bd4b2f666523e109bb927d21a8f2a937154fb32bcba226b9bdcddd5769aa989824bef92b65cc097e771d9d27d121b050ab26630540ef3bb5d3

C:\Users\Admin\AppData\Local\Temp\posterBoxxfEo_VbQk2A1M\QdX9ITDLyCRBWeb Data

MD5 d540e45d4e0edb6aab5ed14cc52f1fa5
SHA1 0c9279b204416dfa86ee22993bd3325b5bc762b1
SHA256 ddd7cbb13ec9dca8859d1a0f54d3f326c0097a8d2809636d96d2e4d9cfa86153
SHA512 3dc3b50b4948f522f4746a0ef63cdc40995dad3a3ac901b277a37296a33eee2977121f7aa529d9ef7f0cb878c6e15fac6c5570f1e5f73e73b5379633bd0caf9f

C:\Users\Admin\AppData\Local\Temp\grandUIAxfEo_VbQk2A1M\information.txt

MD5 1588c87f7e789a701aa9469a66544498
SHA1 a1c9691890bc9230f11b0abf3e4ae74e97e19820
SHA256 52a3c90354b8277fb1db4b29463e8fc0a3f2688bd03c65c9941f1d7d712130f6
SHA512 cf3e8f81ad72e9d1bcef768786b776b72806738327332f96f031c13e318debb55a271a3168fe2859d0ca39a2c8451d20c7560c995c4ed291651374f4093db8da