Malware Analysis Report

2024-12-07 14:14

Sample ID 241115-clt5yazqfp
Target 3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5
SHA256 3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5
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

3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5

Threat Level: Known bad

The file 3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5 was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

Agenttesla family

AgentTesla

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-15 02:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-15 02:10

Reported

2024-11-15 02:12

Platform

win7-20240903-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

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

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3064 set thread context of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

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 behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3064 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3064 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3064 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3064 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3064 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3064 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3064 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3064 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe

"C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.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 api.ipify.org udp
US 104.26.12.205:443 api.ipify.org tcp

Files

memory/3064-2-0x0000000000230000-0x0000000000231000-memory.dmp

memory/3064-3-0x0000000000240000-0x0000000000248000-memory.dmp

memory/2716-8-0x0000000000400000-0x0000000000445000-memory.dmp

memory/2716-4-0x0000000000400000-0x0000000000445000-memory.dmp

memory/2716-6-0x0000000000400000-0x0000000000445000-memory.dmp

memory/2716-10-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3064-11-0x0000000000240000-0x0000000000248000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-15 02:10

Reported

2024-11-15 02:13

Platform

win10v2004-20241007-en

Max time kernel

105s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

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

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 760 set thread context of 2172 N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe N/A

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 behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.exe

"C:\Users\Admin\AppData\Local\Temp\3bf975da6c178a0ca6458e493fce81bea96e059e333ed596c3101dbb408eaad5.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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:443 api.ipify.org tcp
US 8.8.8.8:53 152.74.67.172.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/760-2-0x0000000077B52000-0x0000000077B53000-memory.dmp

memory/760-3-0x00000000021E0000-0x00000000021E1000-memory.dmp

memory/760-4-0x00000000021F0000-0x00000000021F8000-memory.dmp

memory/2172-5-0x0000000000400000-0x0000000000445000-memory.dmp

memory/2172-7-0x0000000077B52000-0x0000000077B53000-memory.dmp

memory/2172-8-0x0000000000890000-0x0000000000891000-memory.dmp

memory/2172-9-0x000000007442E000-0x000000007442F000-memory.dmp

memory/2172-10-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2172-11-0x0000000005550000-0x0000000005AF4000-memory.dmp

memory/2172-12-0x0000000005110000-0x0000000005176000-memory.dmp

memory/2172-13-0x0000000074420000-0x0000000074BD0000-memory.dmp

memory/2172-14-0x0000000006520000-0x0000000006570000-memory.dmp

memory/2172-15-0x0000000006610000-0x00000000066A2000-memory.dmp

memory/2172-16-0x0000000006590000-0x000000000659A000-memory.dmp

memory/2172-17-0x000000007442E000-0x000000007442F000-memory.dmp

memory/2172-18-0x0000000074420000-0x0000000074BD0000-memory.dmp