Malware Analysis Report

2024-12-07 14:11

Sample ID 241114-cc4b9askev
Target fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448
SHA256 fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448
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

fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448

Threat Level: Known bad

The file fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448 was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

AgentTesla

Agenttesla family

Loads dropped DLL

Executes dropped EXE

Drops startup file

Looks up external IP address via web service

Suspicious use of SetThreadContext

AutoIT Executable

System Location Discovery: System Language Discovery

Program crash

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 01:56

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

2024-11-14 01:56

Reported

2024-11-14 01:59

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\subbasaltic.vbs C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe N/A

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2780 set thread context of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.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\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\preconform\subbasaltic.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\preconform\subbasaltic.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 1668 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe
PID 1668 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe
PID 1668 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe
PID 1668 wrote to memory of 2780 N/A C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe
PID 2780 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2780 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2780 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2780 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2780 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2780 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2780 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2780 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe

"C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe"

C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe

"C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe"

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

"C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp

Files

memory/1668-2-0x0000000003AE0000-0x0000000003EE0000-memory.dmp

\Users\Admin\AppData\Local\preconform\subbasaltic.exe

MD5 6dddb5ed35be7f4cde66cad976b89f9d
SHA1 25124aaedc684fa0d268d4196c543d29c3bf918a
SHA256 fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448
SHA512 0f41f48b1ccb2f355e693e4c3c09caed636335d9980983256f48583e9bbe40e9501653b340a579930d20bd6153819bcb8c5e4e7a7c5d0d565bef534e85ad7ee1

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2780-12-0x0000000003580000-0x0000000003980000-memory.dmp

memory/2656-14-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2656-16-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2656-17-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2656-18-0x00000000742CE000-0x00000000742CF000-memory.dmp

memory/2656-19-0x0000000000600000-0x0000000000654000-memory.dmp

memory/2656-20-0x00000000742C0000-0x00000000749AE000-memory.dmp

memory/2656-21-0x0000000000DD0000-0x0000000000E22000-memory.dmp

memory/2656-22-0x00000000742C0000-0x00000000749AE000-memory.dmp

memory/2656-23-0x00000000742C0000-0x00000000749AE000-memory.dmp

memory/2656-24-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-25-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-27-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-29-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-39-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-33-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-57-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-66-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-79-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-31-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-35-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-37-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-83-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-81-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-77-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-75-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-73-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-71-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-69-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-67-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-63-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-61-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-59-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-55-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-53-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-52-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-49-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-47-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-45-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-43-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-41-0x0000000000DD0000-0x0000000000E1D000-memory.dmp

memory/2656-1054-0x00000000742C0000-0x00000000749AE000-memory.dmp

memory/2656-1055-0x0000000000400000-0x0000000000446000-memory.dmp

memory/2656-1056-0x00000000742CE000-0x00000000742CF000-memory.dmp

memory/2656-1057-0x00000000742C0000-0x00000000749AE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 01:56

Reported

2024-11-14 01:59

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\subbasaltic.vbs C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe N/A

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2600 set thread context of 4180 N/A C:\Users\Admin\AppData\Local\preconform\subbasaltic.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\preconform\subbasaltic.exe N/A
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\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.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\preconform\subbasaltic.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\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe

"C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe"

C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe

"C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe"

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

"C:\Users\Admin\AppData\Local\Temp\fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2600 -ip 2600

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 744

Network

Country Destination Domain Proto
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1648-2-0x0000000004400000-0x0000000004800000-memory.dmp

C:\Users\Admin\AppData\Local\preconform\subbasaltic.exe

MD5 6dddb5ed35be7f4cde66cad976b89f9d
SHA1 25124aaedc684fa0d268d4196c543d29c3bf918a
SHA256 fa5ff70e684dc1f44983098d480cd1e4ca8d70314bda8fc870b3df795a288448
SHA512 0f41f48b1ccb2f355e693e4c3c09caed636335d9980983256f48583e9bbe40e9501653b340a579930d20bd6153819bcb8c5e4e7a7c5d0d565bef534e85ad7ee1

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

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2600-10-0x0000000003FC0000-0x00000000043C0000-memory.dmp

memory/4180-12-0x0000000000400000-0x0000000000446000-memory.dmp

memory/4180-14-0x0000000000400000-0x0000000000446000-memory.dmp

memory/4180-13-0x0000000000400000-0x0000000000446000-memory.dmp

memory/4180-15-0x0000000000400000-0x0000000000446000-memory.dmp

memory/4180-16-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

memory/4180-17-0x0000000002E60000-0x0000000002EB4000-memory.dmp

memory/4180-18-0x0000000073EF0000-0x00000000746A0000-memory.dmp

memory/4180-19-0x0000000005A10000-0x0000000005FB4000-memory.dmp

memory/4180-20-0x0000000005350000-0x00000000053A2000-memory.dmp

memory/4180-21-0x0000000073EF0000-0x00000000746A0000-memory.dmp

memory/4180-25-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-73-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-81-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-79-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-77-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-75-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-71-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-69-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-67-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-66-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-63-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-61-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-59-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-57-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-55-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-51-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-49-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-47-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-46-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-43-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-42-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-40-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-37-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-35-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-34-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-31-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-29-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-27-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-53-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-23-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-22-0x0000000005350000-0x000000000539D000-memory.dmp

memory/4180-1052-0x0000000005560000-0x00000000055C6000-memory.dmp

memory/4180-1053-0x0000000073EF0000-0x00000000746A0000-memory.dmp

memory/4180-1054-0x0000000006AF0000-0x0000000006B40000-memory.dmp

memory/4180-1055-0x0000000006BE0000-0x0000000006C72000-memory.dmp

memory/4180-1056-0x0000000006B50000-0x0000000006B5A000-memory.dmp

memory/4180-1057-0x0000000000400000-0x0000000000446000-memory.dmp

memory/4180-1058-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

memory/4180-1059-0x0000000073EF0000-0x00000000746A0000-memory.dmp