Malware Analysis Report

2025-01-03 07:38

Sample ID 230501-sj5fwsaf3s
Target 0ferta y demanda_CIF--B-62326O21.exe.bin
SHA256 56fe514e3ea3eda0569cf8b79741fe9ed9b391fe06f07b33d847ccdd7fda18ae
Tags
blustealer stormkitty collection spyware stealer redline infostealer
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

56fe514e3ea3eda0569cf8b79741fe9ed9b391fe06f07b33d847ccdd7fda18ae

Threat Level: Known bad

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

Malicious Activity Summary

blustealer stormkitty collection spyware stealer redline infostealer

Detects Redline Stealer samples

StormKitty payload

StormKitty

BluStealer

RedLine

.NET Reactor proctector

Accesses cryptocurrency files/wallets, possible credential harvesting

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

outlook_win_path

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

outlook_office_path

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-01 15:10

Signatures

.NET Reactor proctector

Description Indicator Process Target
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

2023-05-01 15:10

Reported

2023-05-01 15:20

Platform

win7-20230220-en

Max time kernel

143s

Max time network

65s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.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-1-5-21-3430344531-3702557399-3004411149-1000\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-1-5-21-3430344531-3702557399-3004411149-1000\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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\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 behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.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 1344 wrote to memory of 928 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 928 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 928 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 928 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1344 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 1292 wrote to memory of 672 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1292 wrote to memory of 672 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1292 wrote to memory of 672 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1292 wrote to memory of 672 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1292 wrote to memory of 672 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1292 wrote to memory of 672 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1292 wrote to memory of 672 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1292 wrote to memory of 672 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1292 wrote to memory of 672 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-1-5-21-3430344531-3702557399-3004411149-1000\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-1-5-21-3430344531-3702557399-3004411149-1000\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 demanda_CIF--B-62326O21.exe

"C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.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/1344-54-0x0000000000DC0000-0x0000000000DF8000-memory.dmp

memory/1344-55-0x0000000000750000-0x0000000000760000-memory.dmp

memory/1292-56-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1292-57-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1292-58-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1292-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1292-61-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1292-63-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1292-66-0x0000000000400000-0x0000000000424000-memory.dmp

memory/672-67-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/672-68-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/672-69-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/672-71-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/672-73-0x0000000000090000-0x00000000000AA000-memory.dmp

memory/1292-74-0x0000000000400000-0x0000000000424000-memory.dmp

memory/672-75-0x0000000000AB0000-0x0000000000AF0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-01 15:10

Reported

2023-05-01 15:20

Platform

win10v2004-20230221-en

Max time kernel

173s

Max time network

116s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe"

Signatures

BluStealer

stealer blustealer

Detects Redline Stealer samples

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

RedLine

infostealer redline

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-1-5-21-2805025096-2326403612-4231045514-1000\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

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 4876 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4876 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4876 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4876 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4876 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4876 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4876 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 4876 wrote to memory of 2864 N/A C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
PID 2864 wrote to memory of 1612 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2864 wrote to memory of 1612 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2864 wrote to memory of 1612 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2864 wrote to memory of 1612 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2864 wrote to memory of 1612 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\0ferta y demanda_CIF--B-62326O21.exe

"C:\Users\Admin\AppData\Local\Temp\0ferta y demanda_CIF--B-62326O21.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 52.137.108.250:443 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 52.182.141.63:443 tcp
US 8.8.8.8:53 45.8.109.52.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 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp

Files

memory/4876-133-0x00000182664D0000-0x0000018266508000-memory.dmp

memory/4876-134-0x0000018268A10000-0x0000018268A20000-memory.dmp

memory/2864-135-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2864-138-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2864-141-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1612-142-0x0000000000540000-0x000000000055A000-memory.dmp

memory/2864-143-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1612-144-0x0000000004E10000-0x0000000004E76000-memory.dmp

memory/1612-145-0x0000000004F00000-0x0000000004F10000-memory.dmp

memory/1612-146-0x00000000058D0000-0x000000000596C000-memory.dmp