Malware Analysis Report

2024-10-19 09:23

Sample ID 240612-csmdnsyeqe
Target d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe
SHA256 d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62
Tags
agenttesla 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

d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62

Threat Level: Known bad

The file d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger persistence spyware stealer trojan

AgentTesla

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Detects executables referencing many email and collaboration clients. Observed in information stealers

Detect packed .NET executables. Mostly AgentTeslaV4.

Detects executables referencing Windows vault credential objects. Observed in infostealers

Detects executables referencing many file transfer clients. Observed in information stealers

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Adds Run key to start application

Looks up external IP address via web service

AutoIT Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-12 02:20

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

2024-06-12 02:20

Reported

2024-06-12 02:23

Platform

win7-20240221-en

Max time kernel

118s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4.

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

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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

Detects executables referencing Windows vault credential objects. Observed in infostealers

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

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

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

Detects executables referencing many email and collaboration clients. Observed in information stealers

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

Detects executables referencing many file transfer clients. Observed in information stealers

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZFzKrzC = "C:\\Users\\Admin\\AppData\\Roaming\\ZFzKrzC\\ZFzKrzC.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1152 set thread context of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

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\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.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 1152 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1152 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1152 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1152 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1152 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1152 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1152 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1152 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe

"C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"

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

"C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.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/1152-10-0x0000000000220000-0x0000000000224000-memory.dmp

memory/2316-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2316-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2316-15-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2316-16-0x00000000749EE000-0x00000000749EF000-memory.dmp

memory/2316-17-0x00000000749E0000-0x00000000750CE000-memory.dmp

memory/2316-19-0x00000000749EE000-0x00000000749EF000-memory.dmp

memory/2316-20-0x00000000749E0000-0x00000000750CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 02:20

Reported

2024-06-12 02:22

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4.

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

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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

Detects executables referencing Windows vault credential objects. Observed in infostealers

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

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

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

Detects executables referencing many email and collaboration clients. Observed in information stealers

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

Detects executables referencing many file transfer clients. Observed in information stealers

Description Indicator Process Target
N/A N/A N/A 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\ZFzKrzC = "C:\\Users\\Admin\\AppData\\Roaming\\ZFzKrzC\\ZFzKrzC.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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 2388 set thread context of 1572 N/A C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

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\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.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\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe

"C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"

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

"C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"

Network

Country Destination Domain Proto
US 23.53.113.159:80 tcp
US 8.8.8.8:53 api.ipify.org udp

Files

memory/2388-10-0x0000000000D50000-0x0000000000D54000-memory.dmp

memory/1572-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/1572-12-0x000000007503E000-0x000000007503F000-memory.dmp

memory/1572-13-0x0000000005AC0000-0x0000000006064000-memory.dmp

memory/1572-14-0x0000000005700000-0x0000000005766000-memory.dmp

memory/1572-15-0x0000000075030000-0x00000000757E0000-memory.dmp

memory/1572-17-0x0000000006D90000-0x0000000006DE0000-memory.dmp

memory/1572-18-0x0000000006E80000-0x0000000006F12000-memory.dmp

memory/1572-19-0x0000000006E00000-0x0000000006E0A000-memory.dmp

memory/1572-20-0x000000007503E000-0x000000007503F000-memory.dmp

memory/1572-21-0x0000000075030000-0x00000000757E0000-memory.dmp