Malware Analysis Report

2024-10-19 09:23

Sample ID 240612-chcfqaydkl
Target ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc
SHA256 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc
Tags
agenttesla evasion execution keylogger persistence 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

ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc

Threat Level: Known bad

The file ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc was found to be: Known bad.

Malicious Activity Summary

agenttesla evasion execution keylogger persistence spyware stealer trojan

UAC bypass

Windows security bypass

AgentTesla

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Windows security modification

Checks whether UAC is enabled

Looks up external IP address via web service

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

System policy modification

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 02:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 02:04

Reported

2024-06-12 02:06

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\IPYlgv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IPYlgv\\IPYlgv.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.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

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1712 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1712 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1712 wrote to memory of 2660 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 320 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1712 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\system32\WerFault.exe
PID 1712 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\system32\WerFault.exe
PID 1712 wrote to memory of 2588 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\system32\WerFault.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe

"C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe" -Force

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 1712 -s 740

Network

Country Destination Domain Proto
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 mail.pakdisco.com udp
IR 185.128.81.12:587 mail.pakdisco.com tcp

Files

memory/1712-0-0x000007FEF5AD3000-0x000007FEF5AD4000-memory.dmp

memory/1712-1-0x0000000000F40000-0x0000000000FD6000-memory.dmp

memory/1712-2-0x000007FEF5AD0000-0x000007FEF64BC000-memory.dmp

memory/2660-8-0x000000001B740000-0x000000001BA22000-memory.dmp

memory/2660-7-0x0000000002E10000-0x0000000002E90000-memory.dmp

memory/2660-9-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

memory/320-12-0x0000000000400000-0x0000000000444000-memory.dmp

memory/320-21-0x0000000000400000-0x0000000000444000-memory.dmp

memory/320-20-0x0000000000400000-0x0000000000444000-memory.dmp

memory/320-19-0x0000000000400000-0x0000000000444000-memory.dmp

memory/320-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/320-16-0x0000000000400000-0x0000000000444000-memory.dmp

memory/320-14-0x0000000000400000-0x0000000000444000-memory.dmp

memory/320-11-0x0000000000400000-0x0000000000444000-memory.dmp

memory/1712-24-0x000007FEF5AD3000-0x000007FEF5AD4000-memory.dmp

memory/1712-25-0x000007FEF5AD0000-0x000007FEF64BC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 02:04

Reported

2024-06-12 02:06

Platform

win10v2004-20240508-en

Max time kernel

41s

Max time network

50s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe = "0" C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe = "0" C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IPYlgv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IPYlgv\\IPYlgv.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A

Looks up external IP address via web service

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 972 set thread context of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 972 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 972 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 972 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 972 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 972 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 972 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 972 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 972 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 972 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 972 wrote to memory of 3844 N/A C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe

System policy modification

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe

"C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe" -Force

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 8.8.8.8:53 mail.pakdisco.com udp
US 8.8.8.8:53 mail.pakdisco.com udp

Files

memory/972-0-0x0000018BB9370000-0x0000018BB9406000-memory.dmp

memory/972-1-0x00007FF894C93000-0x00007FF894C95000-memory.dmp

memory/972-2-0x00007FF894C90000-0x00007FF895751000-memory.dmp

memory/3844-3-0x0000000000400000-0x0000000000444000-memory.dmp

memory/3060-4-0x00007FF894C90000-0x00007FF895751000-memory.dmp

memory/3060-10-0x000001B330690000-0x000001B3306B2000-memory.dmp

memory/3060-16-0x000001B330680000-0x000001B330690000-memory.dmp

memory/3844-15-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_icpamxyd.dhi.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3844-17-0x0000000005A00000-0x0000000005FA4000-memory.dmp

memory/3844-18-0x00000000055C0000-0x0000000005626000-memory.dmp

memory/3060-21-0x00007FF894C90000-0x00007FF895751000-memory.dmp

memory/972-22-0x00007FF894C90000-0x00007FF895751000-memory.dmp

memory/3844-25-0x0000000006B50000-0x0000000006BA0000-memory.dmp

memory/3844-26-0x0000000006C40000-0x0000000006CDC000-memory.dmp

memory/3844-27-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

memory/3844-28-0x0000000006D80000-0x0000000006E12000-memory.dmp

memory/3844-29-0x0000000006D20000-0x0000000006D2A000-memory.dmp