Malware Analysis Report

2025-08-05 17:29

Sample ID 221031-2tykrsdhe7
Target #QFYEY054.exe
SHA256 24c42dee676b7009980638f11001c75335c9cdf08addbc3c10f941103835955b
Tags
agenttesla collection keylogger persistence spyware stealer trojan
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

24c42dee676b7009980638f11001c75335c9cdf08addbc3c10f941103835955b

Threat Level: Known bad

The file #QFYEY054.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger persistence spyware stealer trojan

AgentTesla

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Accesses Microsoft Outlook profiles

Adds Run key to start application

Suspicious use of SetThreadContext

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

2022-10-31 22:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-31 22:53

Reported

2022-10-31 22:55

Platform

win7-20220812-en

Max time kernel

68s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe" C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1668 set thread context of 1108 N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe

"C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"

C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe

"{path}"

Network

N/A

Files

memory/1668-54-0x0000000000BB0000-0x0000000000C7A000-memory.dmp

memory/1668-55-0x0000000075071000-0x0000000075073000-memory.dmp

memory/1668-56-0x0000000000270000-0x0000000000282000-memory.dmp

memory/1668-57-0x0000000004D20000-0x0000000004DA6000-memory.dmp

memory/1668-58-0x0000000000A50000-0x0000000000A8E000-memory.dmp

memory/1108-59-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1108-64-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1108-63-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1108-62-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1108-65-0x0000000000437BFE-mapping.dmp

memory/1108-67-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1108-60-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1108-69-0x0000000000400000-0x000000000043C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-31 22:53

Reported

2022-10-31 22:55

Platform

win10v2004-20220812-en

Max time kernel

90s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe" C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2500 set thread context of 2672 N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe

"C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe"

C:\Users\Admin\AppData\Local\Temp\#QFYEY054.exe

"{path}"

Network

Country Destination Domain Proto
US 20.42.73.24:443 tcp

Files

memory/2500-132-0x0000000000320000-0x00000000003EA000-memory.dmp

memory/2500-133-0x00000000053F0000-0x0000000005994000-memory.dmp

memory/2500-134-0x0000000004D80000-0x0000000004E12000-memory.dmp

memory/2500-135-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

memory/2500-136-0x0000000004E40000-0x0000000004E4A000-memory.dmp

memory/2672-137-0x0000000000000000-mapping.dmp

memory/2672-138-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2672-139-0x0000000005AA0000-0x0000000005B06000-memory.dmp

memory/2672-140-0x0000000006680000-0x00000000066D0000-memory.dmp