Malware Analysis Report

2025-01-03 07:45

Sample ID 230426-jv9ejshh5t
Target 0ferta y demanda_CIF--B-62326O21.iso
SHA256 9c71b54c43e5cabec212c1a02317da8c51915aec8944ea88a84e7a5490ceb1a3
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

9c71b54c43e5cabec212c1a02317da8c51915aec8944ea88a84e7a5490ceb1a3

Threat Level: Known bad

The file 0ferta y demanda_CIF--B-62326O21.iso was found to be: Known bad.

Malicious Activity Summary

blustealer stormkitty collection spyware stealer

StormKitty payload

BluStealer

StormKitty

.NET Reactor proctector

Looks up external IP address via web service

Accesses cryptocurrency files/wallets, possible credential harvesting

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

outlook_office_path

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-26 08:00

Signatures

.NET Reactor proctector

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-26 08:00

Reported

2023-04-26 08:03

Platform

win7-20230220-en

Max time kernel

133s

Max time network

31s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.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

.NET Reactor proctector

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-1-5-21-2647223082-2067913677-935928954-1000\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 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 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2036 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1988 wrote to memory of 1148 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 1148 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 1148 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 1148 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 1148 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 1148 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 1148 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 1148 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1988 wrote to memory of 1148 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\0FERTA_Y.exe

"C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.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/2036-54-0x0000000000F60000-0x0000000000F98000-memory.dmp

memory/2036-55-0x0000000000740000-0x0000000000750000-memory.dmp

memory/1988-58-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1988-57-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1988-56-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1988-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1988-61-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1988-63-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1988-66-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1148-68-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/1148-73-0x00000000000D0000-0x00000000000EA000-memory.dmp

memory/1148-71-0x00000000000D0000-0x00000000000EA000-memory.dmp

memory/1148-69-0x00000000000D0000-0x00000000000EA000-memory.dmp

memory/1148-67-0x00000000000D0000-0x00000000000EA000-memory.dmp

memory/1148-74-0x0000000000C00000-0x0000000000C40000-memory.dmp

memory/1988-75-0x0000000000400000-0x0000000000424000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-26 08:00

Reported

2023-04-26 08:03

Platform

win10v2004-20230220-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe"

Signatures

BluStealer

stealer blustealer

StormKitty

stealer stormkitty

StormKitty payload

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

.NET Reactor proctector

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

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\0FERTA_Y.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.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 4260 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4260 wrote to memory of 976 N/A C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 976 wrote to memory of 4084 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 976 wrote to memory of 4084 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 976 wrote to memory of 4084 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 976 wrote to memory of 4084 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 976 wrote to memory of 4084 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\0FERTA_Y.exe

"C:\Users\Admin\AppData\Local\Temp\0FERTA_Y.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.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 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 104.208.16.88:443 tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 209.197.3.8:80 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/4260-133-0x000001942E210000-0x000001942E248000-memory.dmp

memory/976-134-0x0000000000400000-0x0000000000424000-memory.dmp

memory/976-137-0x0000000000400000-0x0000000000424000-memory.dmp

memory/976-140-0x0000000000400000-0x0000000000424000-memory.dmp

memory/4084-141-0x0000000000C10000-0x0000000000C2A000-memory.dmp

memory/4084-142-0x00000000051C0000-0x0000000005226000-memory.dmp

memory/4084-143-0x00000000052C0000-0x00000000052D0000-memory.dmp

memory/4084-144-0x0000000005C90000-0x0000000005D2C000-memory.dmp

memory/976-146-0x0000000000400000-0x0000000000424000-memory.dmp