Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1ls5msheek
Target 296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923
SHA256 296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923
Tags
collection discovery persistence spyware stealer privateloader risepro
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

296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923

Threat Level: Known bad

The file 296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923 was found to be: Known bad.

Malicious Activity Summary

collection discovery persistence spyware stealer privateloader risepro

Risepro family

Privateloader family

Reads user/profile data of web browsers

Drops startup file

Reads user/profile data of local email clients

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Adds Run key to start application

Checks installed software on the system

Drops file in System32 directory

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:44

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 21:44

Reported

2023-12-13 21:47

Platform

win10-20231129-en

Max time kernel

120s

Max time network

113s

Command Line

"C:\Users\Admin\AppData\Local\Temp\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.exe

"C:\Users\Admin\AppData\Local\Temp\296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923.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 -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 -u -p 2660 -s 1564

Network

Country Destination Domain Proto
US 193.233.132.51:50500 tcp
US 8.8.8.8:53 51.132.233.193.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 129.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 175.21.199.152.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 a106d7e5d8b59c2e613ceba4346cd0da
SHA1 1be88d3bb6d1fded5ede00efd50df9a5098ae90b
SHA256 296a5df26e552fd7b3ba812c8a9c90af146ade12b32cdd4dc5e35241a545b923
SHA512 d922870fac6a2f4adbcb0b3bb01b636819d1dcf1202ecbac7a90faef286b5c76df8efd10d532698d08b9dcc7929da4e10910262b0a851d4f0e6793a85cbb0d25

C:\Users\Admin\AppData\Local\Temp\posterBoxal19Caplavknz\QdX9ITDLyCRBWeb Data

MD5 d540e45d4e0edb6aab5ed14cc52f1fa5
SHA1 0c9279b204416dfa86ee22993bd3325b5bc762b1
SHA256 ddd7cbb13ec9dca8859d1a0f54d3f326c0097a8d2809636d96d2e4d9cfa86153
SHA512 3dc3b50b4948f522f4746a0ef63cdc40995dad3a3ac901b277a37296a33eee2977121f7aa529d9ef7f0cb878c6e15fac6c5570f1e5f73e73b5379633bd0caf9f

C:\Users\Admin\AppData\Local\Temp\grandUIAal19Caplavknz\information.txt

MD5 5eda42a8dd2f3273b4fdca35d1a2625d
SHA1 77923472ce3e5802e42fa6052e159a0cedb6c534
SHA256 468d843c29619f3cd7bc7343b6f0f9eaa05ae41500d6f05c86a52be3d4272e1e
SHA512 3640c3e2d8d651dd8d59b3177a145f7f2c820ddc7bc88ded6c4c53f90acdf6031207dba4ee2560caf8d92e59f4425a7068777210c3676128ce3d4213cc5039da