Malware Analysis Report

2025-08-10 17:27

Sample ID 231213-1kmapsbag2
Target 355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25
SHA256 355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25
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

355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25

Threat Level: Known bad

The file 355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25 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

Accesses Microsoft Outlook profiles

Checks installed software on the system

Looks up external IP address via web service

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

outlook_win_path

outlook_office_path

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:42

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 21:42

Reported

2023-12-13 21:45

Platform

win10-20231129-en

Max time kernel

142s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.exe N/A
File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol C:\Users\Admin\AppData\Local\Temp\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.exe

"C:\Users\Admin\AppData\Local\Temp\355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25.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 1296 -s 1644

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 8.8.8.8:53 129.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 149.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 f2bbbb51d468305f7b087877b64d9c26
SHA1 110788c713cafb7ecb0187960e84d3aa3dbdc562
SHA256 355970c20d63a13ce00677c8b810d4283a7aa3dff0d472b4c7d3245c0f689f25
SHA512 753d89de5608520693d11c6ed51e6efb6edbdcf3a4ce2c0510694bbc5e9a4ab25fbfda348766f005b3f6a8ad68847378389511113682518710d8ef2010d05862

C:\Users\Admin\AppData\Local\Temp\posterBoxx4KXgNeqUBFIK\QdX9ITDLyCRBWeb Data

MD5 d540e45d4e0edb6aab5ed14cc52f1fa5
SHA1 0c9279b204416dfa86ee22993bd3325b5bc762b1
SHA256 ddd7cbb13ec9dca8859d1a0f54d3f326c0097a8d2809636d96d2e4d9cfa86153
SHA512 3dc3b50b4948f522f4746a0ef63cdc40995dad3a3ac901b277a37296a33eee2977121f7aa529d9ef7f0cb878c6e15fac6c5570f1e5f73e73b5379633bd0caf9f

C:\Users\Admin\AppData\Local\Temp\grandUIAx4KXgNeqUBFIK\information.txt

MD5 721349c4b26d4e0eb361ecb91f9615b7
SHA1 adc5ea657db2c6d9bd04b1552b5d6ba2fa38299a
SHA256 766a74f75eb564c9e017034735e4a4e0f8a27e474de99706b8fb08059a5bdfbc
SHA512 207187599d04496722c7ed9333c5c91f369382e7d05f2478ec052ca1d1c28128cbd8ea1e99b0c3f15225891fa71f03d9f67541461eda116e35a91768c1cfd747