Malware Analysis Report

2024-12-07 14:05

Sample ID 241113-br8d3sxmgm
Target 40ac53146f33f1836d8b16c31d758f96e2d32063553e8c5b54524641fb629c0b
SHA256 40ac53146f33f1836d8b16c31d758f96e2d32063553e8c5b54524641fb629c0b
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: 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

40ac53146f33f1836d8b16c31d758f96e2d32063553e8c5b54524641fb629c0b

Threat Level: Known bad

The file 40ac53146f33f1836d8b16c31d758f96e2d32063553e8c5b54524641fb629c0b was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

Agenttesla family

AgentTesla

Looks up external IP address via web service

AutoIT Executable

Suspicious use of SetThreadContext

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 01:23

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

2024-11-13 01:23

Reported

2024-11-13 01:26

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Compra_6000003767.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1628 set thread context of 2364 N/A C:\Users\Admin\AppData\Local\Temp\Compra_6000003767.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Enumerates physical storage devices

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\Compra_6000003767.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

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\Compra_6000003767.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\Compra_6000003767.exe

"C:\Users\Admin\AppData\Local\Temp\Compra_6000003767.exe"

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

"C:\Users\Admin\AppData\Local\Temp\Compra_6000003767.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp

Files

memory/1628-11-0x0000000000150000-0x0000000000250000-memory.dmp

memory/2364-12-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2364-16-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2364-14-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2364-17-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

memory/2364-18-0x0000000073F50000-0x000000007463E000-memory.dmp

memory/2364-19-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

memory/2364-20-0x0000000073F50000-0x000000007463E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 01:23

Reported

2024-11-13 01:26

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Compra_6000003767.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1828 set thread context of 4384 N/A C:\Users\Admin\AppData\Local\Temp\Compra_6000003767.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Enumerates physical storage devices

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\Compra_6000003767.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

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\Compra_6000003767.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\Compra_6000003767.exe

"C:\Users\Admin\AppData\Local\Temp\Compra_6000003767.exe"

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

"C:\Users\Admin\AppData\Local\Temp\Compra_6000003767.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1828 -ip 1828

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 748

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 3.173.189.20.in-addr.arpa udp

Files

memory/1828-11-0x0000000001AA0000-0x0000000001BA0000-memory.dmp

memory/4384-12-0x0000000000400000-0x0000000000442000-memory.dmp

memory/4384-13-0x0000000073A8E000-0x0000000073A8F000-memory.dmp

memory/4384-14-0x00000000059F0000-0x0000000005F94000-memory.dmp

memory/4384-15-0x0000000005440000-0x00000000054A6000-memory.dmp

memory/4384-16-0x0000000073A80000-0x0000000074230000-memory.dmp

memory/4384-17-0x0000000006760000-0x00000000067F2000-memory.dmp

memory/4384-18-0x0000000006800000-0x0000000006850000-memory.dmp

memory/4384-19-0x0000000006940000-0x000000000694A000-memory.dmp

memory/4384-20-0x0000000073A8E000-0x0000000073A8F000-memory.dmp

memory/4384-21-0x0000000073A80000-0x0000000074230000-memory.dmp