Malware Analysis Report

2024-12-07 14:08

Sample ID 241112-cdjz1asckr
Target 4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1
SHA256 4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1
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

4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1

Threat Level: Known bad

The file 4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1 was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

AgentTesla

Agenttesla family

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 01:57

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 01:57

Reported

2024-11-12 02:00

Platform

win7-20241010-en

Max time kernel

122s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2092 set thread context of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.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\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.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\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.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 2092 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2092 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2092 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2092 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2092 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2092 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2092 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2092 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe

"C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe"

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

"C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe"

Network

N/A

Files

memory/2092-11-0x00000000006A0000-0x0000000000AA0000-memory.dmp

memory/2772-12-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2772-14-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2772-16-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2772-17-0x000000007456E000-0x000000007456F000-memory.dmp

memory/2772-18-0x0000000074560000-0x0000000074C4E000-memory.dmp

memory/2772-19-0x000000007456E000-0x000000007456F000-memory.dmp

memory/2772-20-0x0000000074560000-0x0000000074C4E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 01:57

Reported

2024-11-12 02:00

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe

"C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe"

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

"C:\Users\Admin\AppData\Local\Temp\4b9f65f36fe4d8b04d16ea223129152c77e3b636d33229b38ac6d36d5ff4b7f1.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1976 -ip 1976

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 624

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/1976-11-0x0000000000E80000-0x0000000001280000-memory.dmp