Malware Analysis Report

2024-12-07 14:08

Sample ID 241112-b4z88svlgl
Target b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf
SHA256 b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf
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

b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf

Threat Level: Known bad

The file b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

Agenttesla family

AgentTesla

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 01:42

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

2024-11-12 01:42

Reported

2024-11-12 01:45

Platform

win7-20240903-en

Max time kernel

117s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2252 set thread context of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.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\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.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 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2252 wrote to memory of 2388 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe

"C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe"

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

"C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe"

Network

N/A

Files

memory/2252-2-0x00000000008B0000-0x0000000000CB0000-memory.dmp

memory/2388-3-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2388-7-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2388-5-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2388-8-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

memory/2388-9-0x0000000073DB0000-0x000000007449E000-memory.dmp

memory/2388-10-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

memory/2388-11-0x0000000073DB0000-0x000000007449E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 01:42

Reported

2024-11-12 01:45

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2600 set thread context of 3008 N/A C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.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\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.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\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe

"C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe"

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

"C:\Users\Admin\AppData\Local\Temp\b2a98a7bca4afe0065c1047cb9cd458010a6b2c77ae8bca4a420e642c62b39bf.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 103.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/2600-2-0x00000000017B0000-0x0000000001BB0000-memory.dmp

memory/3008-3-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3008-4-0x000000007405E000-0x000000007405F000-memory.dmp

memory/3008-5-0x0000000005670000-0x0000000005C14000-memory.dmp

memory/3008-6-0x0000000005290000-0x00000000052F6000-memory.dmp

memory/3008-7-0x0000000074050000-0x0000000074800000-memory.dmp

memory/3008-8-0x00000000061B0000-0x0000000006200000-memory.dmp

memory/3008-9-0x00000000062A0000-0x0000000006332000-memory.dmp

memory/3008-10-0x0000000006230000-0x000000000623A000-memory.dmp

memory/3008-11-0x000000007405E000-0x000000007405F000-memory.dmp

memory/3008-12-0x0000000074050000-0x0000000074800000-memory.dmp