Malware Analysis Report

2024-11-30 05:42

Sample ID 240619-fa2bnatgna
Target 86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe
SHA256 86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6
Tags
agenttesla 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

86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6

Threat Level: Known bad

The file 86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla evasion execution keylogger 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

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System policy modification

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-19 04:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-19 04:40

Reported

2024-06-19 04:43

Platform

win7-20240220-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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 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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A
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\installutil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2276 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2276 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2276 wrote to memory of 3040 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2496 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2276 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\system32\WerFault.exe
PID 2276 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\system32\WerFault.exe
PID 2276 wrote to memory of 2380 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe

"C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe" -Force

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2276 -s 680

Network

N/A

Files

memory/2276-0-0x000007FEF59E3000-0x000007FEF59E4000-memory.dmp

memory/2276-1-0x0000000000E70000-0x0000000000E7E000-memory.dmp

memory/2276-2-0x000007FEF59E0000-0x000007FEF63CC000-memory.dmp

memory/2276-3-0x0000000000DD0000-0x0000000000E64000-memory.dmp

memory/3040-8-0x0000000002D80000-0x0000000002E00000-memory.dmp

memory/3040-9-0x000000001B7E0000-0x000000001BAC2000-memory.dmp

memory/3040-10-0x0000000001F40000-0x0000000001F48000-memory.dmp

memory/2496-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2496-22-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2496-21-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2496-20-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2496-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2496-17-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2496-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2496-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2276-23-0x000007FEF59E3000-0x000007FEF59E4000-memory.dmp

memory/2276-24-0x000007FEF59E0000-0x000007FEF63CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-19 04:40

Reported

2024-06-19 04:43

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe = "0" C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe = "0" C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5000 set thread context of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A
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\jsc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5000 wrote to memory of 3340 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 5000 wrote to memory of 3340 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 5000 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 5000 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 5000 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 5000 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 5000 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 5000 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 5000 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 5000 wrote to memory of 1508 N/A C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe

"C:\Users\Admin\AppData\Local\Temp\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.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\86744ad357edc64f956c3a8df9c8bd852ae125189e80652703dc5624a97584a6.exe" -Force

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp

Files

memory/5000-0-0x000001F815980000-0x000001F81598E000-memory.dmp

memory/5000-1-0x00007FFB16103000-0x00007FFB16105000-memory.dmp

memory/5000-2-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/5000-3-0x000001F817610000-0x000001F8176A4000-memory.dmp

memory/1508-4-0x0000000000400000-0x0000000000442000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z0lqillu.lkw.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3340-11-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/3340-7-0x00000244E6A40000-0x00000244E6A62000-memory.dmp

memory/3340-16-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/1508-19-0x0000000005A10000-0x0000000005FB4000-memory.dmp

memory/1508-18-0x00000000749FE000-0x00000000749FF000-memory.dmp

memory/3340-17-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/1508-22-0x00000000055E0000-0x0000000005646000-memory.dmp

memory/3340-23-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/5000-24-0x00007FFB16100000-0x00007FFB16BC1000-memory.dmp

memory/1508-25-0x00000000064F0000-0x0000000006540000-memory.dmp

memory/1508-26-0x00000000065E0000-0x000000000667C000-memory.dmp

memory/1508-27-0x0000000006CA0000-0x0000000006D32000-memory.dmp

memory/1508-28-0x0000000006C70000-0x0000000006C7A000-memory.dmp

memory/1508-29-0x00000000749FE000-0x00000000749FF000-memory.dmp