Malware Analysis Report

2024-12-07 14:05

Sample ID 241113-br74batkds
Target 733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4
SHA256 733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4
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

733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4

Threat Level: Known bad

The file 733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4 was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

AgentTesla

Agenttesla family

Looks up external IP address via web service

AutoIT Executable

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

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

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.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 2136 set thread context of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.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\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.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 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 2136 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2136 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2136 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2136 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2136 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2136 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2136 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2136 wrote to memory of 2880 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe

"C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe"

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

"C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.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/2136-11-0x0000000002420000-0x0000000002520000-memory.dmp

memory/2880-12-0x0000000000090000-0x00000000000D2000-memory.dmp

memory/2880-19-0x0000000000090000-0x00000000000D2000-memory.dmp

memory/2880-21-0x0000000000090000-0x00000000000D2000-memory.dmp

memory/2880-14-0x0000000000090000-0x00000000000D2000-memory.dmp

memory/2880-22-0x000000007439E000-0x000000007439F000-memory.dmp

memory/2880-23-0x0000000074390000-0x0000000074A7E000-memory.dmp

memory/2880-24-0x000000007439E000-0x000000007439F000-memory.dmp

memory/2880-25-0x0000000074390000-0x0000000074A7E000-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

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.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 4752 set thread context of 4652 N/A C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.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\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.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\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.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\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe

"C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe"

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

"C:\Users\Admin\AppData\Local\Temp\733123fce188c68b20a3a4f6b1b40d8e51dc6a6dea5d42c357febed6f39912d4.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa 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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4752-11-0x0000000003260000-0x0000000003360000-memory.dmp

memory/4652-12-0x0000000000400000-0x0000000000442000-memory.dmp

memory/4652-13-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

memory/4652-14-0x00000000059C0000-0x0000000005F64000-memory.dmp

memory/4652-15-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/4652-16-0x00000000055F0000-0x0000000005656000-memory.dmp

memory/4652-17-0x0000000006860000-0x00000000068F2000-memory.dmp

memory/4652-18-0x0000000006900000-0x0000000006950000-memory.dmp

memory/4652-19-0x0000000006A50000-0x0000000006A5A000-memory.dmp

memory/4652-20-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

memory/4652-21-0x0000000074CA0000-0x0000000075450000-memory.dmp