Malware Analysis Report

2025-06-16 03:31

Sample ID 220812-gmf2xsbhc7
Target Purchase Order 711014151.pdf.exe
SHA256 b5141a3c6323449bc7fc031d6eb2073fcbe97754c46eef0d0d8f937b9c2fb5cb
Tags
blustealer stormkitty 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

b5141a3c6323449bc7fc031d6eb2073fcbe97754c46eef0d0d8f937b9c2fb5cb

Threat Level: Known bad

The file Purchase Order 711014151.pdf.exe was found to be: Known bad.

Malicious Activity Summary

blustealer stormkitty collection stealer

StormKitty

BluStealer

StormKitty payload

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

outlook_win_path

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-12 05:55

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-12 05:55

Reported

2022-08-12 05:58

Platform

win7-20220718-en

Max time kernel

157s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe"

Signatures

BluStealer

stealer blustealer

StormKitty

stealer stormkitty

StormKitty payload

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\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-1-5-21-3762437355-3468409815-1164039494-1000\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-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A icanhazip.com N/A N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 956 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1652 wrote to memory of 912 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\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-1-5-21-3762437355-3468409815-1164039494-1000\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\Purchase Order 711014151.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe"

C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.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 93.184.220.29:80 tcp
US 204.79.197.200:443 tcp
US 8.8.8.8:53 icanhazip.com udp
US 104.18.114.97:80 icanhazip.com tcp

Files

memory/956-54-0x0000000000DF0000-0x0000000000EA8000-memory.dmp

memory/956-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

memory/956-56-0x0000000000510000-0x0000000000534000-memory.dmp

memory/956-57-0x0000000000550000-0x000000000055C000-memory.dmp

memory/956-58-0x0000000004D10000-0x0000000004D76000-memory.dmp

memory/956-59-0x00000000022B0000-0x00000000022D8000-memory.dmp

memory/1652-60-0x0000000000400000-0x0000000000421000-memory.dmp

memory/1652-61-0x0000000000400000-0x0000000000421000-memory.dmp

memory/1652-63-0x0000000000400000-0x0000000000421000-memory.dmp

memory/1652-65-0x0000000000400000-0x0000000000421000-memory.dmp

memory/1652-66-0x00000000004019AC-mapping.dmp

memory/1652-68-0x0000000000400000-0x0000000000421000-memory.dmp

memory/1652-72-0x0000000000400000-0x0000000000421000-memory.dmp

memory/912-73-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/912-75-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/912-76-0x00000000001A4F6E-mapping.dmp

memory/912-78-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/912-80-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/1652-82-0x0000000000400000-0x0000000000421000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-12 05:55

Reported

2022-08-12 05:57

Platform

win10v2004-20220721-en

Max time kernel

162s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe"

Signatures

BluStealer

stealer blustealer

StormKitty

stealer stormkitty

StormKitty payload

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\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-1-5-21-1101907861-274115917-2188613224-1000\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-1-5-21-1101907861-274115917-2188613224-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A icanhazip.com N/A N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4320 wrote to memory of 5036 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 5036 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 5036 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 5108 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 5108 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 5108 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4320 wrote to memory of 4496 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe
PID 4496 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4496 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4496 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4496 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4496 wrote to memory of 1768 N/A C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\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-1-5-21-1101907861-274115917-2188613224-1000\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\Purchase Order 711014151.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe"

C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe"

C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe"

C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Purchase Order 711014151.pdf.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 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
IE 20.50.73.9:443 tcp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 8.8.8.8:53 icanhazip.com udp
US 104.18.115.97:80 icanhazip.com tcp

Files

memory/4320-130-0x0000000000550000-0x0000000000608000-memory.dmp

memory/4320-131-0x00000000054C0000-0x0000000005A64000-memory.dmp

memory/4320-132-0x0000000004FF0000-0x0000000005082000-memory.dmp

memory/4320-133-0x0000000004FC0000-0x0000000004FCA000-memory.dmp

memory/4320-134-0x00000000089F0000-0x0000000008A8C000-memory.dmp

memory/4320-135-0x0000000000B60000-0x0000000000BC6000-memory.dmp

memory/5036-136-0x0000000000000000-mapping.dmp

memory/5108-137-0x0000000000000000-mapping.dmp

memory/4496-138-0x0000000000000000-mapping.dmp

memory/4496-139-0x0000000000400000-0x0000000000421000-memory.dmp

memory/4496-141-0x0000000000400000-0x0000000000421000-memory.dmp

memory/4496-144-0x0000000000400000-0x0000000000421000-memory.dmp

memory/1768-145-0x0000000000000000-mapping.dmp

memory/1768-146-0x0000000000B30000-0x0000000000B4A000-memory.dmp

memory/4496-147-0x0000000000400000-0x0000000000421000-memory.dmp