Malware Analysis Report

2025-08-10 17:28

Sample ID 231213-1j3lashedl
Target 456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d
SHA256 456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d
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

456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d

Threat Level: Known bad

The file 456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d 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 local email clients

Drops startup file

Reads user/profile data of web browsers

Adds Run key to start application

Checks installed software on the system

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Program crash

outlook_win_path

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

outlook_office_path

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 21:41

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 21:41

Reported

2023-12-13 21:44

Platform

win10v2004-20231130-en

Max time kernel

139s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.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\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.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-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.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\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.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\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.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-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3936660601-1848837011-2142350499-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.exe

"C:\Users\Admin\AppData\Local\Temp\456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d.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 -p -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 -pss -s 440 -p 5096 -ip 5096

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 1564

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.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 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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 8.8.8.8:53 200.197.79.204.in-addr.arpa 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 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 1dd7c237a2aadb227a5ae250b7807145
SHA1 187acc4da9feba2c75f9f13f3d422df3de9bac1f
SHA256 456461888bab9a61cde6ba1a40df4e1d54a34c2d69249850db119cb73325be5d
SHA512 13b2ea66998666c4dc94c9594cd4085a3efe376a7d29eb9fbab12893245280a21c3dbbb40ef634d02c0f0a7e5fbf3da2b92434bdef55000156a91723405ccbca

C:\Users\Admin\AppData\Local\Temp\posterBoxw81T9Bq_2vIka\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\posterBoxw81T9Bq_2vIka\QdX9ITDLyCRBWeb Data

MD5 9ee081ca0d9c3cd479031e1ff265961b
SHA1 a2bfa65a2ddcd529a134ea08efd6965bcd0e5665
SHA256 2a260265cd76d10c19658a7db48e7f328aba6df399e28e2e73642d5904dd73b4
SHA512 6b9f28e80628042205df78d5393ba53ff9866ee25d92500a806055333f0fe3a93cb1516754b617c42a342d2852cb4f2cd37c849dbfd19bedb71aef5e642c33e6

C:\Users\Admin\AppData\Local\Temp\grandUIAw81T9Bq_2vIka\information.txt

MD5 0b9ad29a9c9a095b5639270e72e98ff2
SHA1 c9bae168aa3fba920602272c4ec31eedf583abcc
SHA256 76738a7c6cc5864748157aa944497009849baf519c38a1d521d8390addaa4807
SHA512 a0aad22f82d2b1d77c6da745151b8e5d462ff4a3b828b2dc44d3bc5db9de0d6d20577d2c4e074347774c305e15abceaa22fc88f0273c3710122cb1df2f380400