Malware Analysis Report

2024-12-07 14:14

Sample ID 241115-cjw7hszqdm
Target 227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610
SHA256 227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610
Tags
agenttesla 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: 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

227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610

Threat Level: Known bad

The file 227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610 was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

AgentTesla

Agenttesla family

Reads WinSCP keys stored on the system

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-15 02:06

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-15 02:06

Reported

2024-11-15 02:09

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Reads WinSCP keys stored on the system

spyware stealer

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

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 2296 set thread context of 5092 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

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\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe

"C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 205.12.26.104.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.73.42.20.in-addr.arpa udp

Files

memory/2296-2-0x0000000077C52000-0x0000000077C53000-memory.dmp

memory/2296-3-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2296-4-0x0000000002140000-0x0000000002148000-memory.dmp

memory/5092-5-0x0000000000400000-0x0000000000445000-memory.dmp

memory/5092-7-0x0000000077C52000-0x0000000077C53000-memory.dmp

memory/5092-8-0x00000000004B0000-0x00000000004B1000-memory.dmp

memory/5092-9-0x000000007452E000-0x000000007452F000-memory.dmp

memory/5092-10-0x0000000000400000-0x0000000000440000-memory.dmp

memory/5092-11-0x0000000004F60000-0x0000000005504000-memory.dmp

memory/5092-12-0x0000000004A80000-0x0000000004AE6000-memory.dmp

memory/5092-13-0x0000000074520000-0x0000000074CD0000-memory.dmp

memory/5092-14-0x0000000005FF0000-0x0000000006040000-memory.dmp

memory/5092-15-0x00000000060E0000-0x0000000006172000-memory.dmp

memory/5092-16-0x0000000006070000-0x000000000607A000-memory.dmp

memory/5092-17-0x000000007452E000-0x000000007452F000-memory.dmp

memory/5092-18-0x0000000074520000-0x0000000074CD0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-15 02:06

Reported

2024-11-15 02:09

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Reads WinSCP keys stored on the system

spyware stealer

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

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 2100 set thread context of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

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\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2100 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2100 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2100 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2100 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2100 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2100 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2100 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2100 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe

"C:\Users\Admin\AppData\Local\Temp\227573efd0eb09e333ed2931be435e2d85da66868f4d7827d6f50db3a3005610.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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

Files

memory/2100-2-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2100-3-0x00000000001D0000-0x00000000001D8000-memory.dmp

memory/2544-4-0x0000000000400000-0x0000000000445000-memory.dmp

memory/2544-8-0x0000000000400000-0x0000000000445000-memory.dmp

memory/2544-6-0x0000000000400000-0x0000000000445000-memory.dmp

memory/2544-10-0x0000000000400000-0x0000000000440000-memory.dmp