Malware Analysis Report

2025-01-03 07:45

Sample ID 230422-bph2eabe44
Target RFQ# 437179.exe
SHA256 dba189ded0db555ce536385f81ad1490d1123534ec89b72acf4f8be65c001eda
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

dba189ded0db555ce536385f81ad1490d1123534ec89b72acf4f8be65c001eda

Threat Level: Known bad

The file RFQ# 437179.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

outlook_office_path

outlook_win_path

Script User-Agent

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-22 01:19

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-22 01:19

Reported

2023-04-22 01:21

Platform

win7-20230220-en

Max time kernel

65s

Max time network

34s

Command Line

"C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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-1-5-21-3948302646-268491222-1934009652-1000\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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2004 set thread context of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 1904 set thread context of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2004 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1904 wrote to memory of 1756 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\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-1-5-21-3948302646-268491222-1934009652-1000\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\RFQ# 437179.exe

"C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe"

C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe

"C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.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/2004-54-0x00000000009E0000-0x0000000000AD2000-memory.dmp

memory/2004-55-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2004-56-0x0000000000540000-0x0000000000554000-memory.dmp

memory/2004-57-0x0000000004CD0000-0x0000000004D10000-memory.dmp

memory/2004-58-0x0000000000560000-0x000000000056C000-memory.dmp

memory/2004-59-0x00000000056A0000-0x000000000574C000-memory.dmp

memory/2004-60-0x0000000004C30000-0x0000000004CA6000-memory.dmp

memory/1904-61-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1904-62-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1904-63-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1904-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1904-66-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1904-68-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1904-71-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1756-73-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1756-72-0x0000000000170000-0x00000000001D6000-memory.dmp

memory/1756-74-0x0000000000170000-0x00000000001D6000-memory.dmp

memory/1756-78-0x0000000000170000-0x00000000001D6000-memory.dmp

memory/1756-76-0x0000000000170000-0x00000000001D6000-memory.dmp

memory/1756-79-0x00000000048A0000-0x000000000495C000-memory.dmp

memory/1904-80-0x0000000000400000-0x000000000046E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-22 01:19

Reported

2023-04-22 01:21

Platform

win10v2004-20230220-en

Max time kernel

146s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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-1-5-21-2275444769-3691835758-4097679484-1000\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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2804 set thread context of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 4620 set thread context of 4176 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2804 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4516 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 2804 wrote to memory of 4620 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe
PID 4620 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4620 wrote to memory of 4176 N/A C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\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-1-5-21-2275444769-3691835758-4097679484-1000\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\RFQ# 437179.exe

"C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe"

C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe

"C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe"

C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.exe

"C:\Users\Admin\AppData\Local\Temp\RFQ# 437179.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
IE 20.54.89.15:443 tcp
US 20.189.173.4:443 tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 1.77.109.52.in-addr.arpa udp
US 117.18.237.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
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
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 36.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp

Files

memory/2804-133-0x0000000000EB0000-0x0000000000FA2000-memory.dmp

memory/2804-134-0x0000000005E20000-0x00000000063C4000-memory.dmp

memory/2804-135-0x0000000005870000-0x0000000005902000-memory.dmp

memory/2804-136-0x00000000059F0000-0x0000000005A00000-memory.dmp

memory/2804-137-0x00000000057F0000-0x00000000057FA000-memory.dmp

memory/2804-138-0x00000000059F0000-0x0000000005A00000-memory.dmp

memory/2804-139-0x0000000007360000-0x00000000073FC000-memory.dmp

memory/4620-140-0x0000000000400000-0x000000000046E000-memory.dmp

memory/4620-143-0x0000000000400000-0x000000000046E000-memory.dmp

memory/4620-146-0x0000000000400000-0x000000000046E000-memory.dmp

memory/4176-147-0x0000000000F90000-0x0000000000FF6000-memory.dmp

memory/4620-152-0x0000000000400000-0x000000000046E000-memory.dmp