Malware Analysis Report

2025-08-05 16:17

Sample ID 240521-ebn72sgd64
Target Aluminium_Oxide00980000.pdf.exe
SHA256 f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33
Tags
agenttesla keylogger persistence spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f894fa54f71bd0db52bdaf11c509a604e2247b36aec512d3456b96119e477d33

Threat Level: Known bad

The file Aluminium_Oxide00980000.pdf.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger persistence spyware stealer trojan

AgentTesla

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-21 03:46

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 03:46

Reported

2024-05-21 03:48

Platform

win10v2004-20240508-en

Max time kernel

92s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\plQRn12hj21nbv = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn12hj21nbv\\plQRn12hj21nbv.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2252 set thread context of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2252 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 4836 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2252 wrote to memory of 544 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe"

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp
US 8.8.8.8:53 205.12.26.104.in-addr.arpa udp
US 8.8.8.8:53 mail.brusln.com udp
RO 91.235.116.231:587 mail.brusln.com tcp
US 8.8.8.8:53 231.116.235.91.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp

Files

memory/2252-0-0x00007FFD5B973000-0x00007FFD5B975000-memory.dmp

memory/2252-1-0x0000026AF7280000-0x0000026AF728A000-memory.dmp

memory/2252-2-0x00007FFD5B970000-0x00007FFD5C431000-memory.dmp

memory/2252-3-0x00007FFD5B970000-0x00007FFD5C431000-memory.dmp

memory/2252-4-0x0000026AF7D30000-0x0000026AF7DC6000-memory.dmp

memory/4836-5-0x0000000000400000-0x0000000000444000-memory.dmp

memory/4836-6-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

memory/4836-7-0x0000000005700000-0x0000000005CA4000-memory.dmp

memory/4836-8-0x00000000052C0000-0x0000000005326000-memory.dmp

memory/4836-9-0x0000000074E60000-0x0000000075610000-memory.dmp

memory/2252-10-0x00007FFD5B970000-0x00007FFD5C431000-memory.dmp

memory/4836-12-0x0000000006670000-0x00000000066C0000-memory.dmp

memory/4836-13-0x0000000006760000-0x00000000067FC000-memory.dmp

memory/4836-14-0x00000000068A0000-0x0000000006932000-memory.dmp

memory/4836-15-0x0000000006860000-0x000000000686A000-memory.dmp

memory/4836-16-0x0000000074E6E000-0x0000000074E6F000-memory.dmp

memory/4836-17-0x0000000074E60000-0x0000000075610000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 03:46

Reported

2024-05-21 03:48

Platform

win7-20240215-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\plQRn12hj21nbv = "C:\\Users\\Admin\\AppData\\Roaming\\plQRn12hj21nbv\\plQRn12hj21nbv.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2320 set thread context of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2320 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2320 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2320 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2320 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2320 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2320 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2320 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2320 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2320 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Aluminium_Oxide00980000.pdf.exe"

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

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

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:443 api.ipify.org tcp
US 8.8.8.8:53 mail.brusln.com udp
RO 91.235.116.231:587 mail.brusln.com tcp

Files

memory/2320-0-0x000007FEF5DD3000-0x000007FEF5DD4000-memory.dmp

memory/2320-1-0x0000000000430000-0x000000000043A000-memory.dmp

memory/2320-2-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

memory/2320-3-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

memory/2320-4-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

memory/2320-5-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

memory/2320-6-0x0000000002180000-0x0000000002216000-memory.dmp

memory/2572-7-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2572-12-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2572-9-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2572-8-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2648-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2648-20-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2648-24-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2648-22-0x0000000000400000-0x0000000000444000-memory.dmp

memory/2648-26-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

memory/2320-25-0x000007FEF5DD0000-0x000007FEF67BC000-memory.dmp

memory/2648-27-0x0000000074A70000-0x000000007515E000-memory.dmp

memory/2648-29-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

memory/2648-30-0x0000000074A70000-0x000000007515E000-memory.dmp