Malware Analysis Report

2025-01-03 07:39

Sample ID 230501-yxn9qaab8z
Target S0LICITUD DE PRESUPUESTO-24-04-23.exe.bin
SHA256 2178c25cf14793aa8845ca8ee9f76d3271c91bc5eb763e97919415f9fb7d5e1d
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

2178c25cf14793aa8845ca8ee9f76d3271c91bc5eb763e97919415f9fb7d5e1d

Threat Level: Known bad

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

Malicious Activity Summary

blustealer stormkitty collection spyware stealer redline infostealer

Detects Redline Stealer samples

BluStealer

RedLine

StormKitty payload

StormKitty

Accesses cryptocurrency files/wallets, possible credential harvesting

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

outlook_win_path

Checks processor information in registry

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-01 20:10

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-01 20:10

Reported

2023-05-01 20:14

Platform

win7-20230220-en

Max time kernel

136s

Max time network

104s

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 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 1568 wrote to memory of 1408 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 1568 wrote to memory of 1408 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 1568 wrote to memory of 1408 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 1568 wrote to memory of 1408 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 1568 wrote to memory of 1408 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 1568 wrote to memory of 1408 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 1568 wrote to memory of 1408 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 1568 wrote to memory of 1408 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 1568 wrote to memory of 1408 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 1408 wrote to memory of 688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1408 wrote to memory of 688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1408 wrote to memory of 688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1408 wrote to memory of 688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1408 wrote to memory of 688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1408 wrote to memory of 688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1408 wrote to memory of 688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1408 wrote to memory of 688 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 1408 wrote to memory of 688 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\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
US 35.190.25.25:443 tcp

Files

memory/1568-54-0x00000000011F0000-0x0000000001224000-memory.dmp

memory/1568-55-0x0000000000640000-0x0000000000650000-memory.dmp

memory/1408-56-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1408-57-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1408-58-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1408-60-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1408-61-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1408-63-0x0000000000400000-0x0000000000424000-memory.dmp

memory/688-66-0x00000000000E0000-0x00000000000FA000-memory.dmp

memory/688-67-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/688-68-0x00000000000E0000-0x00000000000FA000-memory.dmp

memory/688-70-0x00000000000E0000-0x00000000000FA000-memory.dmp

memory/688-72-0x00000000000E0000-0x00000000000FA000-memory.dmp

memory/1408-73-0x0000000000400000-0x0000000000424000-memory.dmp

memory/688-74-0x0000000004CC0000-0x0000000004D00000-memory.dmp

memory/1408-75-0x0000000000400000-0x0000000000424000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-01 20:10

Reported

2023-05-01 20:15

Platform

win10v2004-20230221-en

Max time kernel

206s

Max time network

228s

Command Line

"C:\Users\Admin\AppData\Local\Temp\S0LICITUD DE PRESUPUESTO-24-04-23.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

Accesses Microsoft Outlook profiles

collection
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
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

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 4560 wrote to memory of 2876 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 4560 wrote to memory of 2876 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 4560 wrote to memory of 2876 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 4560 wrote to memory of 2876 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 4560 wrote to memory of 2876 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 4560 wrote to memory of 2876 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 4560 wrote to memory of 2876 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 4560 wrote to memory of 2876 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 2876 wrote to memory of 3896 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2876 wrote to memory of 3896 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2876 wrote to memory of 3896 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2876 wrote to memory of 3896 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
PID 2876 wrote to memory of 3896 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\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
CZ 146.19.173.221:80 tcp
HK 103.100.211.218:80 tcp
HK 103.100.211.218:80 tcp
HK 103.100.211.218:80 tcp
US 192.124.249.23:80 tcp
DE 45.9.74.80:80 tcp
HK 154.221.31.191:80 tcp
HK 154.221.31.191:80 tcp
HK 154.221.31.191:80 tcp
US 20.189.173.6:443 tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 40.125.122.176:443 tcp
US 209.197.3.8:80 tcp
US 40.125.122.176:443 tcp
US 40.125.122.176:443 tcp
US 8.8.8.8:53 141.145.190.20.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 13.86.106.20.in-addr.arpa udp
US 40.125.122.176:443 tcp
US 104.18.114.97:80 icanhazip.com tcp
US 40.125.122.176:443 tcp
US 40.125.122.176:443 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp

Files

memory/4560-133-0x0000028089AA0000-0x0000028089AD4000-memory.dmp

memory/2876-134-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2876-137-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2876-140-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3896-141-0x0000000000E70000-0x0000000000E8A000-memory.dmp

memory/3896-142-0x00000000055F0000-0x0000000005656000-memory.dmp

memory/2876-143-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3896-144-0x0000000005690000-0x00000000056A0000-memory.dmp

memory/3896-145-0x0000000005690000-0x00000000056A0000-memory.dmp

memory/3896-146-0x00000000012A0000-0x000000000133C000-memory.dmp