Malware Analysis Report

2025-08-06 03:35

Sample ID 231213-3dq2esaagk
Target 0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943
SHA256 0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943
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

0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943

Threat Level: Known bad

The file 0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943 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

Reads user/profile data of local email clients

Drops startup file

Looks up external IP address via web service

Adds Run key to start application

Checks installed software on the system

Accesses Microsoft Outlook profiles

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Program crash

Checks processor information in registry

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

outlook_win_path

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-13 23:24

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 23:24

Reported

2023-12-13 23:26

Platform

win10v2004-20231130-en

Max time kernel

140s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI C:\Users\Admin\AppData\Local\Temp\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.exe N/A
File opened for modification C:\Windows\System32\GroupPolicy C:\Users\Admin\AppData\Local\Temp\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.exe N/A
File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini C:\Users\Admin\AppData\Local\Temp\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.exe

"C:\Users\Admin\AppData\Local\Temp\0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943.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 -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 412 -p 2072 -ip 2072

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 1684

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 193.233.132.51:50500 tcp
N/A 224.0.0.251:5353 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 51.132.233.193.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 81.59.117.34.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.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 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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp

Files

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

MD5 bf76f3dfcae7d74a1109be8e293a2fd1
SHA1 e31122ce247b32cf9538d03dfaa0c71b6b1e39e3
SHA256 0c5bb3a86b134f359a9131b9ed6be470c59cd13ecad08ae73b44f1b924fd3943
SHA512 5865736c9867120d85a0fa4334d1a3e19099d7dfeb10213577d78e1db1fd2c6c34b7f93cc389e1de58a35c5b66367ad6aed66541e9d65effd6e5056352696144

C:\Users\Admin\AppData\Local\Temp\posterBoxpHcRYt0_GlhvU\QdX9ITDLyCRBWeb Data

MD5 9ee081ca0d9c3cd479031e1ff265961b
SHA1 a2bfa65a2ddcd529a134ea08efd6965bcd0e5665
SHA256 2a260265cd76d10c19658a7db48e7f328aba6df399e28e2e73642d5904dd73b4
SHA512 6b9f28e80628042205df78d5393ba53ff9866ee25d92500a806055333f0fe3a93cb1516754b617c42a342d2852cb4f2cd37c849dbfd19bedb71aef5e642c33e6

C:\Users\Admin\AppData\Local\Temp\posterBoxpHcRYt0_GlhvU\ZunTSaNJLBVfWeb Data

MD5 f70aa3fa04f0536280f872ad17973c3d
SHA1 50a7b889329a92de1b272d0ecf5fce87395d3123
SHA256 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8
SHA512 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

C:\Users\Admin\AppData\Local\Temp\grandUIApHcRYt0_GlhvU\information.txt

MD5 e77106c4a0efb2f3192a96e173c105f0
SHA1 b946b1984417b6c8258e7c5cddb561dd8c4a42ce
SHA256 11737b5845642792354d42f6be5d6e2445848416e21233b806305d900a8c72bd
SHA512 2f32f460f57864c03ab5909d787a736c2ce949cc60a943d88a53f5f34558ee0daf40feda2365028e479131fcfa15c8cc0082d8dd3bdee6e71881209e781e0e60

memory/4540-82-0x0000026E60040000-0x0000026E60050000-memory.dmp

memory/4540-98-0x0000026E60140000-0x0000026E60150000-memory.dmp

memory/4540-114-0x0000026E68720000-0x0000026E68721000-memory.dmp

memory/4540-115-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-116-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-117-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-118-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-119-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-120-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-121-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-122-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-123-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-124-0x0000026E68750000-0x0000026E68751000-memory.dmp

memory/4540-125-0x0000026E68370000-0x0000026E68371000-memory.dmp

memory/4540-126-0x0000026E68360000-0x0000026E68361000-memory.dmp

memory/4540-128-0x0000026E68370000-0x0000026E68371000-memory.dmp

memory/4540-131-0x0000026E68360000-0x0000026E68361000-memory.dmp

memory/4540-134-0x0000026E682A0000-0x0000026E682A1000-memory.dmp

memory/4540-146-0x0000026E684A0000-0x0000026E684A1000-memory.dmp

memory/4540-148-0x0000026E684B0000-0x0000026E684B1000-memory.dmp

memory/4540-149-0x0000026E684B0000-0x0000026E684B1000-memory.dmp

memory/4540-150-0x0000026E685C0000-0x0000026E685C1000-memory.dmp