Malware Analysis Report

2025-01-03 07:38

Sample ID 230502-np7qzsah29
Target 1180-58-0x0000000000400000-0x0000000000421000-memory.dmp
SHA256 32a4fdff92977f44145ef9a521d6eccdf1eb01ba3db83314fc97cc61fe90d0fd
Tags
stormkitty collection stealer blustealer
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

32a4fdff92977f44145ef9a521d6eccdf1eb01ba3db83314fc97cc61fe90d0fd

Threat Level: Known bad

The file 1180-58-0x0000000000400000-0x0000000000421000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

stormkitty collection stealer blustealer

StormKitty payload

Blustealer family

StormKitty

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

outlook_win_path

Checks processor information in registry

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-02 11:35

Signatures

Blustealer family

blustealer

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-02 11:35

Reported

2023-05-02 11:38

Platform

win7-20230220-en

Max time kernel

117s

Max time network

33s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe"

Signatures

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\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-1-5-21-3499517378-2376672570-1134980332-1000\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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 308 set thread context of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

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:\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\1180-58-0x0000000000400000-0x0000000000421000-memory.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 308 wrote to memory of 296 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\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-1-5-21-3499517378-2376672570-1134980332-1000\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\1180-58-0x0000000000400000-0x0000000000421000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.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 icanhazip.com udp
US 104.18.115.97:80 icanhazip.com tcp

Files

memory/296-56-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/296-57-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/296-58-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/296-60-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/296-62-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/296-63-0x0000000004EE0000-0x0000000004F20000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-02 11:35

Reported

2023-05-02 11:38

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe"

Signatures

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-1-5-21-1529757233-3489015626-3409890339-1000\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-1-5-21-1529757233-3489015626-3409890339-1000\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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1428 set thread context of 4632 N/A C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

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:\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\1180-58-0x0000000000400000-0x0000000000421000-memory.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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-1-5-21-1529757233-3489015626-3409890339-1000\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\1180-58-0x0000000000400000-0x0000000000421000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\1180-58-0x0000000000400000-0x0000000000421000-memory.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
BE 8.238.110.126:80 tcp
US 8.8.8.8:53 163.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 icanhazip.com udp
US 104.18.114.97:80 icanhazip.com tcp
US 8.8.8.8:53 97.114.18.104.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 52.152.110.14:443 tcp
NL 20.50.201.195:443 tcp
BE 8.238.110.126:80 tcp
BE 8.238.110.126:80 tcp
US 52.152.110.14:443 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 131.253.33.203:80 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/4632-135-0x0000000000DB0000-0x0000000000DCA000-memory.dmp

memory/4632-136-0x0000000005630000-0x0000000005696000-memory.dmp

memory/4632-137-0x00000000057A0000-0x00000000057B0000-memory.dmp

memory/4632-138-0x0000000006110000-0x00000000061AC000-memory.dmp