Malware Analysis Report

2024-12-07 14:08

Sample ID 241112-cf2mtsscrj
Target b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4
SHA256 b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4
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

b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4

Threat Level: Known bad

The file b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4 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

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 02:01

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 02:01

Reported

2024-11-12 02:04

Platform

win7-20240903-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.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 2760 set thread context of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.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 2068 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2068 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2068 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2068 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2068 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2068 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2068 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2068 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe
PID 2068 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe
PID 2068 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe
PID 2068 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe
PID 2760 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2760 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2760 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2760 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2760 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2760 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2760 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2760 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe

"C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe"

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

"C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe"

C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe

"C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe"

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

"C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.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/2068-2-0x0000000000AC0000-0x0000000000EC0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Marquand

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2760-6-0x0000000000CF0000-0x00000000010F0000-memory.dmp

memory/2640-7-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2640-9-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2640-10-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2640-11-0x0000000073E7E000-0x0000000073E7F000-memory.dmp

memory/2640-12-0x0000000000BA0000-0x0000000000BF6000-memory.dmp

memory/2640-13-0x0000000073E70000-0x000000007455E000-memory.dmp

memory/2640-15-0x0000000000DE0000-0x0000000000E34000-memory.dmp

memory/2640-14-0x0000000073E70000-0x000000007455E000-memory.dmp

memory/2640-16-0x0000000073E70000-0x000000007455E000-memory.dmp

memory/2640-20-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-46-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-76-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-75-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-72-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-70-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-69-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-66-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-62-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-60-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-59-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-56-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-54-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-53-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-50-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-48-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-44-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-42-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-40-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-38-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-34-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-32-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-30-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-28-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-26-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-24-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-64-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-22-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-36-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-18-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-17-0x0000000000DE0000-0x0000000000E2E000-memory.dmp

memory/2640-1085-0x0000000073E70000-0x000000007455E000-memory.dmp

memory/2640-1086-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2640-1087-0x0000000073E7E000-0x0000000073E7F000-memory.dmp

memory/2640-1088-0x0000000073E70000-0x000000007455E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 02:01

Reported

2024-11-12 02:04

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe

"C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe"

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

"C:\Users\Admin\AppData\Local\Temp\b4e510357fff7faba44a950f8c7af8dacf09be905f863faac8e1c73e5a4152b4.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 4944

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 624

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4944-2-0x00000000010B0000-0x00000000014B0000-memory.dmp