Malware Analysis Report

2024-11-13 14:21

Sample ID 240617-vkpg6swfqf
Target 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe
SHA256 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38
Tags
agenttesla 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

5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38

Threat Level: Known bad

The file 5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-17 17:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 17:03

Reported

2024-06-17 17:05

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2188 set thread context of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2188 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2188 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2188 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2188 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2188 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2188 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2188 wrote to memory of 2164 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 2188 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\system32\WerFault.exe
PID 2188 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\system32\WerFault.exe
PID 2188 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe

"C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe"

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

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

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2188 -s 632

Network

N/A

Files

memory/2188-0-0x000007FEF5673000-0x000007FEF5674000-memory.dmp

memory/2188-1-0x00000000011A0000-0x00000000011AA000-memory.dmp

memory/2188-2-0x000007FEF5670000-0x000007FEF605C000-memory.dmp

memory/2188-3-0x00000000010D0000-0x0000000001162000-memory.dmp

memory/2184-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-5-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-7-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2184-6-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-13-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2188-14-0x000007FEF5673000-0x000007FEF5674000-memory.dmp

memory/2188-15-0x000007FEF5670000-0x000007FEF605C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 17:03

Reported

2024-06-17 17:05

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3340 set thread context of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3340 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3340 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3340 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 3340 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4428 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3340 wrote to memory of 4400 N/A C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.exe

"C:\Users\Admin\AppData\Local\Temp\5b58d926eed5092379ee1a476cb4faa6b5ea3f8ad79e8c2e0c52c0b91784bc38.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\msbuild.exe

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

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

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

Network

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

Files

memory/3340-0-0x00007FFECB833000-0x00007FFECB835000-memory.dmp

memory/3340-1-0x000002B4440C0000-0x000002B4440CA000-memory.dmp

memory/3340-2-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

memory/3340-3-0x000002B45E4B0000-0x000002B45E542000-memory.dmp

memory/4428-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/4428-5-0x00000000749FE000-0x00000000749FF000-memory.dmp

memory/4428-6-0x00000000057D0000-0x0000000005D74000-memory.dmp

memory/4428-7-0x0000000005320000-0x0000000005386000-memory.dmp

memory/4428-8-0x00000000749F0000-0x00000000751A0000-memory.dmp

memory/3340-9-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

memory/4428-10-0x00000000061E0000-0x0000000006230000-memory.dmp

memory/4428-11-0x00000000062D0000-0x0000000006362000-memory.dmp

memory/4428-12-0x0000000006280000-0x000000000628A000-memory.dmp

memory/4428-13-0x00000000749FE000-0x00000000749FF000-memory.dmp

memory/4428-14-0x00000000749F0000-0x00000000751A0000-memory.dmp