Malware Analysis Report

2024-11-30 06:49

Sample ID 240604-b42gasgh9w
Target 8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9
SHA256 8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9
Tags
agenttesla 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

8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9

Threat Level: Known bad

The file 8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9 was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads WinSCP keys stored on the system

Reads user/profile data of local email clients

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 01:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 01:42

Reported

2024-06-04 01:45

Platform

win7-20240221-en

Max time kernel

120s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2612 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2348 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\system32\WerFault.exe
PID 2348 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\system32\WerFault.exe
PID 2348 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe

"C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2348 -s 656

Network

N/A

Files

memory/2348-0-0x000007FEF51F3000-0x000007FEF51F4000-memory.dmp

memory/2348-1-0x0000000000940000-0x0000000000962000-memory.dmp

memory/2348-2-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

memory/2348-3-0x0000000000150000-0x0000000000156000-memory.dmp

memory/2348-4-0x00000000007F0000-0x0000000000884000-memory.dmp

memory/2612-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-9-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-7-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2612-19-0x000000007405E000-0x000000007405F000-memory.dmp

memory/2612-20-0x0000000074050000-0x000000007473E000-memory.dmp

memory/2348-21-0x000007FEF51F3000-0x000007FEF51F4000-memory.dmp

memory/2348-22-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

memory/2612-23-0x000000007405E000-0x000000007405F000-memory.dmp

memory/2612-24-0x0000000074050000-0x000000007473E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 01:42

Reported

2024-06-04 01:45

Platform

win10v2004-20240426-en

Max time kernel

145s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4136 set thread context of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 4136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 4136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 4136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 4136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 4136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 4136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 4136 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe

"C:\Users\Admin\AppData\Local\Temp\8474072e7cb3c37bb710635e6c11035b55591c60f9a5f30112b4b20a5cf2e1b9.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"

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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp

Files

memory/4136-1-0x0000019511760000-0x0000019511782000-memory.dmp

memory/4136-0-0x00007FFD9E693000-0x00007FFD9E695000-memory.dmp

memory/4136-2-0x00007FFD9E690000-0x00007FFD9F151000-memory.dmp

memory/4136-3-0x0000019511C80000-0x0000019511C86000-memory.dmp

memory/4136-4-0x000001952BCE0000-0x000001952BD74000-memory.dmp

memory/2812-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2812-6-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

memory/2812-7-0x0000000005EF0000-0x0000000006494000-memory.dmp

memory/2812-8-0x00000000059B0000-0x0000000005A16000-memory.dmp

memory/2812-9-0x0000000074C10000-0x00000000753C0000-memory.dmp

memory/4136-10-0x000001952BF40000-0x000001952C0AA000-memory.dmp

memory/4136-11-0x00007FFD9E690000-0x00007FFD9F151000-memory.dmp

memory/2812-12-0x00000000068F0000-0x0000000006940000-memory.dmp

memory/2812-13-0x00000000069E0000-0x0000000006A72000-memory.dmp

memory/2812-14-0x0000000006980000-0x000000000698A000-memory.dmp

memory/2812-15-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

memory/2812-16-0x0000000074C10000-0x00000000753C0000-memory.dmp