Malware Analysis Report

2025-01-03 07:46

Sample ID 230422-m7ebqaee44
Target QUOTATION _RFQ# 1043999.exe
SHA256 a83688213da481b066908e16d7a2206180627bcef8c69e4fe756dc06c5c35ec0
Tags
blustealer collection stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a83688213da481b066908e16d7a2206180627bcef8c69e4fe756dc06c5c35ec0

Threat Level: Known bad

The file QUOTATION _RFQ# 1043999.exe was found to be: Known bad.

Malicious Activity Summary

blustealer collection stealer

BluStealer

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

outlook_win_path

Script User-Agent

Suspicious use of SetWindowsHookEx

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-22 11:06

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-22 11:06

Reported

2023-04-22 11:08

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Enumerates physical storage devices

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2900 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 2900 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 2900 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 2900 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 2900 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 2900 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 2900 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 2900 wrote to memory of 3652 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 3652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 3652 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe

"C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe"

C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe

"C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 164.113.223.173.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 160.145.190.20.in-addr.arpa udp
US 8.8.8.8:53 42.220.44.20.in-addr.arpa udp
US 40.77.2.164:443 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 40.77.2.164:443 tcp
US 40.77.2.164:443 tcp
NL 87.248.202.1:80 tcp
NL 87.248.202.1:80 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 1.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 99.113.223.173.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 250.255.255.239.in-addr.arpa udp
US 8.8.8.8:53 126.135.241.8.in-addr.arpa udp
US 8.8.8.8:53 50.4.107.13.in-addr.arpa udp
US 8.8.8.8:53 126.138.241.8.in-addr.arpa udp
US 8.8.8.8:53 42.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp

Files

memory/2900-133-0x0000000000770000-0x000000000084C000-memory.dmp

memory/2900-134-0x0000000005610000-0x0000000005BB4000-memory.dmp

memory/2900-135-0x0000000005100000-0x0000000005192000-memory.dmp

memory/2900-136-0x00000000050C0000-0x00000000050CA000-memory.dmp

memory/2900-137-0x00000000050A0000-0x00000000050B0000-memory.dmp

memory/2900-138-0x00000000050A0000-0x00000000050B0000-memory.dmp

memory/2900-139-0x00000000083C0000-0x000000000845C000-memory.dmp

memory/3652-140-0x0000000000400000-0x000000000046E000-memory.dmp

memory/3652-143-0x0000000000400000-0x000000000046E000-memory.dmp

memory/3652-146-0x0000000000400000-0x000000000046E000-memory.dmp

memory/2388-147-0x0000000000150000-0x00000000001B6000-memory.dmp

memory/2388-148-0x0000000000C00000-0x0000000000C10000-memory.dmp

memory/3652-150-0x0000000000400000-0x000000000046E000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-22 11:06

Reported

2023-04-22 11:08

Platform

win7-20230220-en

Max time kernel

69s

Max time network

30s

Command Line

"C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 1696 wrote to memory of 464 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 464 wrote to memory of 1688 N/A C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe

"C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe"

C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe

"C:\Users\Admin\AppData\Local\Temp\QUOTATION _RFQ# 1043999.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Network

N/A

Files

memory/1696-54-0x0000000000DB0000-0x0000000000E8C000-memory.dmp

memory/1696-55-0x0000000004E90000-0x0000000004ED0000-memory.dmp

memory/1696-56-0x00000000002E0000-0x00000000002F4000-memory.dmp

memory/1696-57-0x00000000002F0000-0x00000000002FC000-memory.dmp

memory/1696-58-0x0000000004ED0000-0x0000000004F7C000-memory.dmp

memory/1696-59-0x00000000051B0000-0x0000000005226000-memory.dmp

memory/464-60-0x0000000000400000-0x000000000046E000-memory.dmp

memory/464-61-0x0000000000400000-0x000000000046E000-memory.dmp

memory/464-62-0x0000000000400000-0x000000000046E000-memory.dmp

memory/464-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/464-65-0x0000000000400000-0x000000000046E000-memory.dmp

memory/464-67-0x0000000000400000-0x000000000046E000-memory.dmp

memory/464-70-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1688-71-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1688-72-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1688-73-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1688-75-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1688-77-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1688-78-0x00000000048C0000-0x000000000497C000-memory.dmp

memory/464-79-0x0000000000400000-0x000000000046E000-memory.dmp