Malware Analysis Report

2025-08-06 00:57

Sample ID 241017-bgx6cstdrc
Target 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c
SHA256 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c
Tags
agenttesla collection discovery keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c

Threat Level: Known bad

The file 61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c was found to be: Known bad.

Malicious Activity Summary

agenttesla collection discovery keylogger spyware stealer trojan

AgentTesla

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

outlook_win_path

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 01:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 01:07

Reported

2024-10-17 01:10

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2548 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe

"C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ftp.aminhacorretora.com.br udp
US 162.241.203.30:21 ftp.aminhacorretora.com.br tcp
US 162.241.203.30:30161 ftp.aminhacorretora.com.br tcp

Files

memory/2548-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

memory/2548-1-0x00000000012C0000-0x0000000001392000-memory.dmp

memory/2548-2-0x0000000004B60000-0x0000000004BFE000-memory.dmp

memory/2548-3-0x0000000074C90000-0x000000007537E000-memory.dmp

memory/2548-4-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

memory/2548-5-0x0000000074C90000-0x000000007537E000-memory.dmp

memory/2548-6-0x00000000008C0000-0x00000000008DA000-memory.dmp

memory/2548-7-0x0000000000870000-0x0000000000876000-memory.dmp

memory/2548-8-0x0000000074C90000-0x000000007537E000-memory.dmp

memory/2748-9-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2748-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2748-15-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2748-13-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2748-11-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2548-19-0x0000000074C90000-0x000000007537E000-memory.dmp

memory/2748-20-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2748-24-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2748-22-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2548-26-0x0000000074C90000-0x000000007537E000-memory.dmp

memory/2748-25-0x0000000074C90000-0x000000007537E000-memory.dmp

memory/2748-27-0x0000000074C90000-0x000000007537E000-memory.dmp

memory/2748-34-0x0000000074C90000-0x000000007537E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 01:07

Reported

2024-10-17 01:10

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3272 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3272 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3272 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3272 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3272 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3272 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3272 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3272 wrote to memory of 4876 N/A C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe

"C:\Users\Admin\AppData\Local\Temp\61b9f5a1e4ef18ed559b55f51d5c17b51c90c9a75fb5f6523b6243ae2f5bf70c.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 ftp.aminhacorretora.com.br udp
US 162.241.203.30:21 ftp.aminhacorretora.com.br tcp
US 162.241.203.30:34660 ftp.aminhacorretora.com.br tcp
US 8.8.8.8:53 30.203.241.162.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/3272-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

memory/3272-1-0x0000000000500000-0x00000000005D2000-memory.dmp

memory/3272-2-0x0000000004CE0000-0x0000000004D72000-memory.dmp

memory/3272-3-0x0000000004D80000-0x0000000004E1C000-memory.dmp

memory/3272-4-0x00000000053D0000-0x0000000005974000-memory.dmp

memory/3272-5-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/3272-6-0x0000000004E20000-0x0000000004EBE000-memory.dmp

memory/3272-7-0x0000000005080000-0x000000000508A000-memory.dmp

memory/3272-8-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/3272-9-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

memory/3272-10-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/3272-11-0x0000000006340000-0x000000000635A000-memory.dmp

memory/3272-12-0x00000000064B0000-0x00000000064B6000-memory.dmp

memory/4876-13-0x0000000000400000-0x0000000000430000-memory.dmp

memory/4876-15-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/3272-16-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/4876-18-0x0000000074AD0000-0x0000000075280000-memory.dmp

memory/4876-17-0x0000000005870000-0x00000000058D6000-memory.dmp

memory/4876-19-0x0000000006D40000-0x0000000006D90000-memory.dmp

memory/4876-20-0x0000000006F60000-0x0000000007122000-memory.dmp

memory/4876-30-0x0000000074AD0000-0x0000000075280000-memory.dmp