Malware Analysis Report

2025-06-16 03:31

Sample ID 220813-zbskpagfa9
Target tmp
SHA256 658142bdeec19fb3ff0556a38a592458b7f005f69d11a39c34d67fd9efe6222c
Tags
blustealer collection
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

658142bdeec19fb3ff0556a38a592458b7f005f69d11a39c34d67fd9efe6222c

Threat Level: Known bad

The file tmp was found to be: Known bad.

Malicious Activity Summary

blustealer collection

Blustealer family

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Script User-Agent

outlook_office_path

outlook_win_path

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-13 20:32

Signatures

Blustealer family

blustealer

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-13 20:32

Reported

2022-08-13 20:35

Platform

win7-20220812-en

Max time kernel

43s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmp.exe"

Signatures

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1672 set thread context of 1696 N/A C:\Users\Admin\AppData\Local\Temp\tmp.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\tmp.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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-1-5-21-2292972927-2705560509-2768824231-1000\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\tmp.exe

"C:\Users\Admin\AppData\Local\Temp\tmp.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/1672-56-0x0000000075201000-0x0000000075203000-memory.dmp

memory/1696-57-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1696-59-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1696-60-0x00000000000EFA3E-mapping.dmp

memory/1696-62-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1696-64-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1696-66-0x00000000010C0000-0x000000000117C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-13 20:32

Reported

2022-08-13 20:35

Platform

win10v2004-20220812-en

Max time kernel

150s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmp.exe"

Signatures

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3524 set thread context of 4872 N/A C:\Users\Admin\AppData\Local\Temp\tmp.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 use of SetWindowsHookEx

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

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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-1-5-21-2295526160-1155304984-640977766-1000\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\tmp.exe

"C:\Users\Admin\AppData\Local\Temp\tmp.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 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 209.197.3.8:80 tcp
US 20.189.173.10:443 tcp
US 8.253.208.113:80 tcp
US 8.253.208.113:80 tcp
US 209.197.3.8:80 tcp

Files

memory/4872-134-0x0000000000000000-mapping.dmp

memory/4872-135-0x0000000000F80000-0x0000000000FE6000-memory.dmp

memory/4872-136-0x0000000005750000-0x00000000057EC000-memory.dmp