Malware Analysis Report

2024-10-23 21:59

Sample ID 240612-b9yycsybnf
Target 4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee
SHA256 4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee
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: 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

4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee

Threat Level: Known bad

The file 4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee 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

AutoIT Executable

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 01:51

Signatures

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 01:51

Reported

2024-06-12 01:53

Platform

win7-20240221-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\SzvWIzD = "C:\\Users\\Admin\\AppData\\Roaming\\SzvWIzD\\SzvWIzD.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 ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1728 set thread context of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.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 behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.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 WriteProcessMemory

Description Indicator Process Target
PID 1728 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1728 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1728 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1728 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1728 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1728 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1728 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1728 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe

"C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe"

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

"C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.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 ip-api.com udp

Files

memory/1728-10-0x0000000000340000-0x0000000000344000-memory.dmp

memory/2548-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2548-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2548-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2548-16-0x000000007447E000-0x000000007447F000-memory.dmp

memory/2548-17-0x0000000074470000-0x0000000074B5E000-memory.dmp

memory/2548-18-0x000000007447E000-0x000000007447F000-memory.dmp

memory/2548-19-0x0000000074470000-0x0000000074B5E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 01:51

Reported

2024-06-12 01:53

Platform

win10v2004-20240611-en

Max time kernel

125s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.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-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SzvWIzD = "C:\\Users\\Admin\\AppData\\Roaming\\SzvWIzD\\SzvWIzD.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 ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4940 set thread context of 2824 N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.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 behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.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

Processes

C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe

"C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe"

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

"C:\Users\Admin\AppData\Local\Temp\4f981d938bb3fee2edbe23ae5cd31762d4208b91524f3470327fdbfd3bcca2ee.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp

Files

memory/4940-10-0x0000000001710000-0x0000000001714000-memory.dmp

memory/2824-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2824-12-0x00000000748DE000-0x00000000748DF000-memory.dmp

memory/2824-13-0x0000000005980000-0x0000000005F24000-memory.dmp

memory/2824-14-0x00000000052E0000-0x0000000005346000-memory.dmp

memory/2824-15-0x00000000748D0000-0x0000000075080000-memory.dmp

memory/2824-16-0x00000000748DE000-0x00000000748DF000-memory.dmp

memory/2824-17-0x00000000748D0000-0x0000000075080000-memory.dmp

memory/2824-20-0x00000000069D0000-0x0000000006A20000-memory.dmp

memory/2824-21-0x0000000006AC0000-0x0000000006B52000-memory.dmp

memory/2824-22-0x0000000006A50000-0x0000000006A5A000-memory.dmp