Malware Analysis Report

2025-01-03 07:46

Sample ID 230426-prrm8abb6s
Target Request for Quotation.exe
SHA256 5923a0d6ac3cd029ce06706021aaaff83c55193a23c2d5fedd5b3cdd0065b081
Tags
blustealer collection stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5923a0d6ac3cd029ce06706021aaaff83c55193a23c2d5fedd5b3cdd0065b081

Threat Level: Known bad

The file Request for Quotation.exe was found to be: Known bad.

Malicious Activity Summary

blustealer collection stealer

BluStealer

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Script User-Agent

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

outlook_office_path

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-26 12:34

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-26 12:34

Reported

2023-04-26 12:36

Platform

win7-20230220-en

Max time kernel

65s

Max time network

31s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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-1-5-21-2647223082-2067913677-935928954-1000\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-1-5-21-2647223082-2067913677-935928954-1000\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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1096 wrote to memory of 692 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 692 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 692 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 692 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1096 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1920 wrote to memory of 2044 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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-1-5-21-2647223082-2067913677-935928954-1000\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\Request for Quotation.exe

"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"

C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe

"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"

C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe

"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.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/1096-54-0x00000000001C0000-0x00000000002A6000-memory.dmp

memory/1096-55-0x0000000004C90000-0x0000000004CD0000-memory.dmp

memory/1096-56-0x0000000000540000-0x0000000000552000-memory.dmp

memory/1096-57-0x0000000004C90000-0x0000000004CD0000-memory.dmp

memory/1096-58-0x0000000000550000-0x000000000055C000-memory.dmp

memory/1096-59-0x0000000005DA0000-0x0000000005E4C000-memory.dmp

memory/1096-60-0x0000000007D30000-0x0000000007DA6000-memory.dmp

memory/1920-61-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1920-62-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1920-63-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1920-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1920-66-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1920-68-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1096-69-0x0000000004C95000-0x0000000004CB3000-memory.dmp

memory/1920-72-0x0000000000400000-0x000000000046E000-memory.dmp

memory/2044-73-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/2044-74-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2044-75-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/2044-77-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/2044-79-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/2044-80-0x0000000000D70000-0x0000000000E2C000-memory.dmp

memory/1920-81-0x0000000000400000-0x000000000046E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-26 12:34

Reported

2023-04-26 12:36

Platform

win10v2004-20230220-en

Max time kernel

144s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\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\Request for Quotation.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1536 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1536 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1536 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1536 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1536 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1536 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1536 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1536 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe
PID 1988 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 3344 N/A C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\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\Request for Quotation.exe

"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe"

C:\Users\Admin\AppData\Local\Temp\Request for Quotation.exe

"C:\Users\Admin\AppData\Local\Temp\Request for Quotation.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 38.148.119.40.in-addr.arpa udp
US 20.189.173.11:443 tcp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
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 23.249.124.192.in-addr.arpa udp

Files

memory/1536-133-0x0000000000F20000-0x0000000001006000-memory.dmp

memory/1536-134-0x0000000005C30000-0x0000000005C40000-memory.dmp

memory/1536-135-0x00000000061F0000-0x0000000006794000-memory.dmp

memory/1536-136-0x0000000005B60000-0x0000000005BF2000-memory.dmp

memory/1536-137-0x0000000005C30000-0x0000000005C40000-memory.dmp

memory/1536-138-0x0000000005C30000-0x0000000005C40000-memory.dmp

memory/1536-139-0x0000000008780000-0x000000000881C000-memory.dmp

memory/1988-140-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1988-143-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1988-146-0x0000000000400000-0x000000000046E000-memory.dmp

memory/3344-147-0x0000000000A30000-0x0000000000A96000-memory.dmp

memory/3344-148-0x0000000005070000-0x0000000005080000-memory.dmp

memory/1988-150-0x0000000000400000-0x000000000046E000-memory.dmp