Malware Analysis Report

2025-01-03 07:46

Sample ID 230424-hr3l6aca4y
Target S0LICITUD DE PRESUPUESTO-24-04-23.ISO.iso
SHA256 7b24e9a8334000a1e10dd9cdf66e92e46f890e5a89f77c6bd7e1957a2a97320b
Tags
blustealer stormkitty collection spyware 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

7b24e9a8334000a1e10dd9cdf66e92e46f890e5a89f77c6bd7e1957a2a97320b

Threat Level: Known bad

The file S0LICITUD DE PRESUPUESTO-24-04-23.ISO.iso was found to be: Known bad.

Malicious Activity Summary

blustealer stormkitty collection spyware stealer

BluStealer

StormKitty payload

StormKitty

Accesses cryptocurrency files/wallets, possible credential harvesting

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

outlook_win_path

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-24 06:59

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-24 06:59

Reported

2023-04-24 07:01

Platform

win7-20230220-en

Max time kernel

122s

Max time network

31s

Command Line

"C:\Users\Admin\AppData\Local\Temp\S0LICITU.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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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-1-5-21-1563773381-2037468142-1146002597-1000\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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

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

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:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 704 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 940 wrote to memory of 1588 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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-1-5-21-1563773381-2037468142-1146002597-1000\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\S0LICITU.exe

"C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.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/704-54-0x0000000001380000-0x00000000013B4000-memory.dmp

memory/704-55-0x0000000000750000-0x0000000000760000-memory.dmp

memory/940-56-0x0000000000400000-0x0000000000424000-memory.dmp

memory/940-57-0x0000000000400000-0x0000000000424000-memory.dmp

memory/940-58-0x0000000000400000-0x0000000000424000-memory.dmp

memory/940-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/940-61-0x0000000000400000-0x0000000000424000-memory.dmp

memory/940-63-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1588-66-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/1588-67-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1588-68-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/1588-70-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/1588-72-0x0000000000190000-0x00000000001AA000-memory.dmp

memory/940-73-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1588-74-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

memory/940-75-0x0000000000400000-0x0000000000424000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-24 06:59

Reported

2023-04-24 07:01

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\S0LICITU.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-1-5-21-2275444769-3691835758-4097679484-1000\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

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Looks up external IP address via web service

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

Checks processor information in registry

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2456 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2456 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2456 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2456 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2456 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2456 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2456 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2456 wrote to memory of 5076 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 5076 wrote to memory of 1344 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5076 wrote to memory of 1344 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5076 wrote to memory of 1344 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5076 wrote to memory of 1344 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 5076 wrote to memory of 1344 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.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\S0LICITU.exe

"C:\Users\Admin\AppData\Local\Temp\S0LICITU.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.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 104.18.115.97:80 icanhazip.com tcp
US 8.8.8.8:53 97.115.18.104.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 52.152.110.14:443 tcp
IE 13.69.239.74:443 tcp
US 8.248.5.254:80 tcp
US 8.248.5.254:80 tcp
US 52.152.110.14:443 tcp
US 8.248.5.254:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 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/2456-133-0x000001F8FC720000-0x000001F8FC754000-memory.dmp

memory/5076-134-0x0000000000400000-0x0000000000424000-memory.dmp

memory/5076-137-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1344-140-0x00000000003E0000-0x00000000003FA000-memory.dmp

memory/1344-141-0x0000000004B80000-0x0000000004BE6000-memory.dmp

memory/1344-142-0x0000000004C00000-0x0000000004C10000-memory.dmp

memory/1344-143-0x0000000005560000-0x00000000055FC000-memory.dmp

memory/5076-145-0x0000000000400000-0x0000000000424000-memory.dmp