Malware Analysis Report

2025-01-03 07:45

Sample ID 230421-ppfsyafe28
Target tmp512pzgqa
SHA256 0f9109bc99a6c0cb299d1520099a8ca2d87d8ca4e1806fde417b60cf6dd233f9
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

0f9109bc99a6c0cb299d1520099a8ca2d87d8ca4e1806fde417b60cf6dd233f9

Threat Level: Known bad

The file tmp512pzgqa 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_win_path

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-21 12:30

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-21 12:30

Reported

2023-04-21 12:32

Platform

win7-20230220-en

Max time kernel

65s

Max time network

34s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe"

Signatures

BluStealer

stealer blustealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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-1-5-21-3430344531-3702557399-3004411149-1000\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-1-5-21-3430344531-3702557399-3004411149-1000\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 1476 set thread context of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 268 set thread context of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.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\tmp512pzgqa.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 1476 wrote to memory of 268 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 268 wrote to memory of 1632 N/A C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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-1-5-21-3430344531-3702557399-3004411149-1000\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\tmp512pzgqa.exe

"C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe"

C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe

"C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.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/1476-54-0x0000000000CC0000-0x0000000000DA2000-memory.dmp

memory/1476-55-0x0000000004DC0000-0x0000000004E00000-memory.dmp

memory/1476-56-0x0000000000630000-0x0000000000642000-memory.dmp

memory/1476-57-0x0000000004DC0000-0x0000000004E00000-memory.dmp

memory/1476-58-0x0000000000640000-0x000000000064C000-memory.dmp

memory/1476-59-0x0000000005B50000-0x0000000005BFC000-memory.dmp

memory/1476-60-0x0000000005D90000-0x0000000005E06000-memory.dmp

memory/268-61-0x0000000000400000-0x000000000046E000-memory.dmp

memory/268-62-0x0000000000400000-0x000000000046E000-memory.dmp

memory/268-63-0x0000000000400000-0x000000000046E000-memory.dmp

memory/268-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/268-66-0x0000000000400000-0x000000000046E000-memory.dmp

memory/268-68-0x0000000000400000-0x000000000046E000-memory.dmp

memory/268-71-0x0000000000400000-0x000000000046E000-memory.dmp

memory/1632-72-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1632-73-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1632-74-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1632-76-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1632-78-0x0000000000090000-0x00000000000F6000-memory.dmp

memory/1632-79-0x00000000011E0000-0x000000000129C000-memory.dmp

memory/268-80-0x0000000000400000-0x000000000046E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-21 12:30

Reported

2023-04-21 12:40

Platform

win10v2004-20230220-en

Max time kernel

60s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe

"C:\Users\Admin\AppData\Local\Temp\tmp512pzgqa.exe"

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
NL 173.223.113.131:80 tcp

Files

N/A