Malware Analysis Report

2024-12-07 14:16

Sample ID 241114-k7wjwswgqh
Target New Tooling CT240230231CTA240714.exe
SHA256 db54f10f4f1c3eae171d83065364f5482d76c048daae934da0279506c9169802
Tags
agenttesla discovery evasion execution 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

db54f10f4f1c3eae171d83065364f5482d76c048daae934da0279506c9169802

Threat Level: Known bad

The file New Tooling CT240230231CTA240714.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery evasion execution keylogger spyware stealer trojan

Agenttesla family

AgentTesla

UAC bypass

Windows security bypass

Looks for VirtualBox Guest Additions in registry

Command and Scripting Interpreter: PowerShell

Looks for VMWare Tools registry key

Checks BIOS information in registry

Checks computer location settings

Windows security modification

Maps connected drives based on registry

Checks whether UAC is enabled

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

System policy modification

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 09:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 09:15

Reported

2024-11-14 09:17

Platform

win7-20240903-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

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\New Tooling CT240230231CTA240714.exe N/A

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.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

Looks for VMWare Tools registry key

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.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\New Tooling CT240230231CTA240714.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1480 set thread context of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe N/A

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 WriteProcessMemory

Description Indicator Process Target
PID 1480 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1480 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1480 wrote to memory of 2928 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1480 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\system32\WerFault.exe
PID 1480 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\system32\WerFault.exe
PID 1480 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.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\New Tooling CT240230231CTA240714.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe

"C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.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\New Tooling CT240230231CTA240714.exe" -Force

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1480 -s 1016

Network

N/A

Files

memory/1480-0-0x000007FEF53D3000-0x000007FEF53D4000-memory.dmp

memory/1480-1-0x0000000001070000-0x00000000010AC000-memory.dmp

memory/1480-2-0x000007FEF53D0000-0x000007FEF5DBC000-memory.dmp

memory/1480-3-0x000000001AA90000-0x000000001AB24000-memory.dmp

memory/2184-8-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-10-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-14-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-12-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-19-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2928-20-0x000000001B720000-0x000000001BA02000-memory.dmp

memory/2184-18-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2928-21-0x0000000002860000-0x0000000002868000-memory.dmp

memory/2184-17-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1480-22-0x000007FEF53D0000-0x000007FEF5DBC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 09:15

Reported

2024-11-14 09:17

Platform

win10v2004-20241007-en

Max time kernel

90s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

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\New Tooling CT240230231CTA240714.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\New Tooling CT240230231CTA240714.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe = "0" C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Looks for VirtualBox Guest Additions in registry

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.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

Looks for VMWare Tools registry key

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe = "0" C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.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\New Tooling CT240230231CTA240714.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5036 set thread context of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.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:\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\System32\WindowsPowerShell\v1.0\powershell.exe N/A
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 5036 wrote to memory of 704 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 5036 wrote to memory of 704 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 5036 wrote to memory of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 3184 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 5036 wrote to memory of 4432 N/A C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.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\New Tooling CT240230231CTA240714.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe

"C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.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\New Tooling CT240230231CTA240714.exe" -Force

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/5036-0-0x00007FF80F383000-0x00007FF80F385000-memory.dmp

memory/5036-1-0x000001EFC9EA0000-0x000001EFC9EDC000-memory.dmp

memory/5036-2-0x000001EFE45D0000-0x000001EFE4664000-memory.dmp

memory/5036-3-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

memory/3184-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/704-5-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

memory/704-7-0x00000161ACD30000-0x00000161ACD52000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nbpug3qb.zhk.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/704-16-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

memory/704-18-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

memory/3184-19-0x00000000745EE000-0x00000000745EF000-memory.dmp

memory/3184-17-0x0000000005BE0000-0x0000000006184000-memory.dmp

memory/3184-20-0x0000000005550000-0x00000000055B6000-memory.dmp

memory/704-23-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

memory/5036-24-0x00007FF80F380000-0x00007FF80FE41000-memory.dmp

memory/3184-25-0x00000000063E0000-0x0000000006430000-memory.dmp

memory/3184-26-0x00000000064D0000-0x0000000006562000-memory.dmp

memory/3184-27-0x0000000006470000-0x000000000647A000-memory.dmp

memory/3184-28-0x00000000745EE000-0x00000000745EF000-memory.dmp