Malware Analysis Report

2024-10-23 21:59

Sample ID 240612-b7fzrsybja
Target 1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006
SHA256 1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006
Tags
agenttesla collection 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

1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006

Threat Level: Known bad

The file 1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006 was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger spyware stealer trojan

AgentTesla

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 01:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 01:46

Reported

2024-06-12 01:49

Platform

win7-20240215-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 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\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.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 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2320 wrote to memory of 2448 N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe

"C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.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 www.google.com udp
GB 142.250.187.196:80 www.google.com tcp

Files

memory/2320-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

memory/2320-1-0x0000000000A10000-0x0000000000AC4000-memory.dmp

memory/2320-2-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2320-3-0x0000000000580000-0x00000000005C4000-memory.dmp

memory/2320-4-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

memory/2320-5-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2320-6-0x00000000020D0000-0x00000000020EA000-memory.dmp

memory/2320-7-0x00000000009D0000-0x00000000009D6000-memory.dmp

memory/2320-8-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2448-9-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2448-11-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2448-13-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2448-15-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2448-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2320-18-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2448-19-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2448-23-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2448-21-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2320-24-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2448-25-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2448-26-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2448-27-0x0000000074A70000-0x000000007515E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 01:46

Reported

2024-06-12 01:49

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe

"C:\Users\Admin\AppData\Local\Temp\1b836888dacc8feeddae02ee6b7451b13450c8b01df32a9cbb3401d6549f0006.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp

Files

memory/4884-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

memory/4884-1-0x00000000008F0000-0x00000000009A4000-memory.dmp

memory/4884-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

memory/4884-3-0x00000000050D0000-0x0000000005162000-memory.dmp

memory/4884-4-0x0000000005230000-0x00000000052CC000-memory.dmp

memory/4884-5-0x00000000750E0000-0x0000000075890000-memory.dmp

memory/4884-7-0x00000000750E0000-0x0000000075890000-memory.dmp