Malware Analysis Report

2025-01-03 07:40

Sample ID 230502-nnad4acf91
Target PEDIDO_02-05-23.exe
SHA256 94f51a2fef39412213639a0070d29e97a2f744dfb9bfdb8f4dea5f46052e8dda
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

94f51a2fef39412213639a0070d29e97a2f744dfb9bfdb8f4dea5f46052e8dda

Threat Level: Known bad

The file PEDIDO_02-05-23.exe was found to be: Known bad.

Malicious Activity Summary

blustealer stormkitty collection stealer

BluStealer

StormKitty payload

StormKitty

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

outlook_win_path

outlook_office_path

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-02 11:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-02 11:32

Reported

2023-05-02 11:34

Platform

win7-20230220-en

Max time kernel

125s

Max time network

34s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.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

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 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 760 wrote to memory of 108 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 108 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 108 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 108 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 108 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 108 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 108 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 108 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 108 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 108 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\PEDIDO_02-05-23.exe

"C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.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 icanhazip.com udp
US 104.18.114.97:80 icanhazip.com tcp

Files

memory/760-54-0x0000000001220000-0x00000000012CE000-memory.dmp

memory/760-55-0x0000000000550000-0x0000000000560000-memory.dmp

memory/760-56-0x000000001BF10000-0x000000001BF90000-memory.dmp

memory/108-57-0x0000000000400000-0x0000000000421000-memory.dmp

memory/108-58-0x0000000000400000-0x0000000000421000-memory.dmp

memory/108-59-0x0000000000400000-0x0000000000421000-memory.dmp

memory/108-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/108-62-0x0000000000400000-0x0000000000421000-memory.dmp

memory/108-64-0x0000000000400000-0x0000000000421000-memory.dmp

memory/1108-67-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/1108-68-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1108-69-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/1108-73-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/1108-71-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/108-74-0x0000000000400000-0x0000000000421000-memory.dmp

memory/1108-75-0x0000000000AE0000-0x0000000000B20000-memory.dmp

memory/108-76-0x0000000000400000-0x0000000000421000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-02 11:32

Reported

2023-05-02 11:34

Platform

win10v2004-20230221-en

Max time kernel

150s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.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-1-5-21-2805025096-2326403612-4231045514-1000\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-1-5-21-2805025096-2326403612-4231045514-1000\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-1-5-21-2805025096-2326403612-4231045514-1000\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

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\PEDIDO_02-05-23.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 3476 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 3772 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 3772 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 3772 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 3476 wrote to memory of 4012 N/A C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
PID 4012 wrote to memory of 632 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4012 wrote to memory of 632 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4012 wrote to memory of 632 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4012 wrote to memory of 632 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 4012 wrote to memory of 632 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-1-5-21-2805025096-2326403612-4231045514-1000\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-1-5-21-2805025096-2326403612-4231045514-1000\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\PEDIDO_02-05-23.exe

"C:\Users\Admin\AppData\Local\Temp\PEDIDO_02-05-23.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\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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
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 52.152.110.14:443 tcp
NL 8.238.178.254:80 tcp
NL 8.238.178.254:80 tcp
NL 173.223.113.164:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 203.151.224.20.in-addr.arpa udp
NL 8.238.178.254:80 tcp
US 52.152.110.14:443 tcp
NL 104.85.1.163:80 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

Files

memory/3476-133-0x0000028227B20000-0x0000028227BCE000-memory.dmp

memory/4012-134-0x0000000000400000-0x0000000000421000-memory.dmp

memory/4012-137-0x0000000000400000-0x0000000000421000-memory.dmp

memory/632-140-0x0000000000540000-0x000000000055A000-memory.dmp

memory/4012-141-0x0000000000400000-0x0000000000421000-memory.dmp

memory/632-142-0x0000000004E50000-0x0000000004EB6000-memory.dmp

memory/632-143-0x00000000058C0000-0x000000000595C000-memory.dmp

memory/632-145-0x0000000002770000-0x0000000002780000-memory.dmp

memory/4012-146-0x0000000000400000-0x0000000000421000-memory.dmp