Malware Analysis Report

2025-01-03 07:46

Sample ID 230424-hrg1fsac78
Target S0LICITUD DE PRESUPUESTO-24-04-23.exe
SHA256 2178c25cf14793aa8845ca8ee9f76d3271c91bc5eb763e97919415f9fb7d5e1d
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

2178c25cf14793aa8845ca8ee9f76d3271c91bc5eb763e97919415f9fb7d5e1d

Threat Level: Known bad

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

Malicious Activity Summary

blustealer stormkitty collection spyware stealer

StormKitty payload

BluStealer

StormKitty

Accesses cryptocurrency files/wallets, possible credential harvesting

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

outlook_office_path

outlook_win_path

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-24 06:58

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-24 06:58

Reported

2023-04-24 07:00

Platform

win7-20230220-en

Max time kernel

131s

Max time network

34s

Command Line

"C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.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-1-5-21-2647223082-2067913677-935928954-1000\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-1-5-21-2647223082-2067913677-935928954-1000\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-1-5-21-2647223082-2067913677-935928954-1000\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 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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.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:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1808 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 308 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1808 wrote to memory of 868 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 868 wrote to memory of 1108 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 1108 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 1108 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 1108 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 1108 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 1108 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 1108 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 1108 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 868 wrote to memory of 1108 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-1-5-21-2647223082-2067913677-935928954-1000\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-1-5-21-2647223082-2067913677-935928954-1000\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\S0LICITUD DE PRESUPUESTO-24-04-23.exe

"C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.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\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/1808-54-0x0000000000290000-0x00000000002C4000-memory.dmp

memory/1808-55-0x0000000000140000-0x0000000000150000-memory.dmp

memory/868-56-0x0000000000400000-0x0000000000424000-memory.dmp

memory/868-57-0x0000000000400000-0x0000000000424000-memory.dmp

memory/868-58-0x0000000000400000-0x0000000000424000-memory.dmp

memory/868-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/868-61-0x0000000000400000-0x0000000000424000-memory.dmp

memory/868-63-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1108-67-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1108-66-0x00000000000B0000-0x00000000000CA000-memory.dmp

memory/1108-68-0x00000000000B0000-0x00000000000CA000-memory.dmp

memory/1108-70-0x00000000000B0000-0x00000000000CA000-memory.dmp

memory/1108-72-0x00000000000B0000-0x00000000000CA000-memory.dmp

memory/868-73-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1108-74-0x0000000000400000-0x0000000000440000-memory.dmp

memory/868-75-0x0000000000400000-0x0000000000424000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-24 06:58

Reported

2023-04-24 07:00

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe N/A
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

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 1932 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1932 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1932 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1932 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1932 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1932 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1932 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1932 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4112 wrote to memory of 1776 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4112 wrote to memory of 1776 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4112 wrote to memory of 1776 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4112 wrote to memory of 1776 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4112 wrote to memory of 1776 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-1-5-21-1529757233-3489015626-3409890339-1000\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\S0LICITUD DE PRESUPUESTO-24-04-23.exe

"C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.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 42.220.44.20.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 105.104.123.20.in-addr.arpa udp
US 8.8.8.8:53 198.209.218.23.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 99.113.223.173.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 250.255.255.239.in-addr.arpa udp
US 8.8.8.8:53 126.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 240.232.18.117.in-addr.arpa udp
US 8.8.8.8:53 42.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 240.232.229.192.in-addr.arpa udp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp

Files

memory/1932-133-0x0000015060C90000-0x0000015060CC4000-memory.dmp

memory/4112-134-0x0000000000400000-0x0000000000424000-memory.dmp

memory/4112-137-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1776-140-0x0000000000FB0000-0x0000000000FCA000-memory.dmp

memory/4112-141-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1776-142-0x0000000005410000-0x0000000005476000-memory.dmp

memory/1776-143-0x0000000005500000-0x0000000005510000-memory.dmp

memory/1776-144-0x0000000005DD0000-0x0000000005E6C000-memory.dmp

memory/4112-146-0x0000000000400000-0x0000000000424000-memory.dmp