Malware Analysis Report

2025-08-11 04:30

Sample ID 250115-t23wfszldr
Target DCV78I939025789245.scr.exe
SHA256 7eaa48d7132470ee30d85752c4d699c2667ef54c3b8270b9a67d9bbc41021bf1
Tags
agenttesla discovery 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

7eaa48d7132470ee30d85752c4d699c2667ef54c3b8270b9a67d9bbc41021bf1

Threat Level: Known bad

The file DCV78I939025789245.scr.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

AgentTesla

Agenttesla family

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-15 16:34

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-15 16:34

Reported

2025-01-15 16:36

Platform

win7-20241010-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2904 set thread context of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

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 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 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2904 wrote to memory of 2700 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Processes

C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe

"C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe"

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

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

Network

N/A

Files

memory/2904-0-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

memory/2904-1-0x0000000000F30000-0x0000000000FF6000-memory.dmp

memory/2904-2-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2904-3-0x0000000000A30000-0x0000000000A4A000-memory.dmp

memory/2904-4-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

memory/2904-5-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2904-6-0x0000000005DA0000-0x0000000005E26000-memory.dmp

memory/2700-10-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2700-13-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2700-18-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2700-15-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2700-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2700-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2700-8-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2700-7-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2700-20-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2904-19-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2700-21-0x0000000073DC0000-0x00000000744AE000-memory.dmp

memory/2700-22-0x0000000073DC0000-0x00000000744AE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-15 16:34

Reported

2025-01-15 16:36

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1456 set thread context of 2376 N/A C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

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 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\DCV78I939025789245.scr.exe

"C:\Users\Admin\AppData\Local\Temp\DCV78I939025789245.scr.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 166.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 8.153.16.2.in-addr.arpa udp

Files

memory/1456-0-0x000000007474E000-0x000000007474F000-memory.dmp

memory/1456-1-0x0000000000820000-0x00000000008E6000-memory.dmp

memory/1456-2-0x0000000005830000-0x0000000005DD4000-memory.dmp

memory/1456-3-0x0000000005280000-0x0000000005312000-memory.dmp

memory/1456-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/1456-5-0x0000000005340000-0x000000000534A000-memory.dmp

memory/1456-6-0x0000000006570000-0x000000000658A000-memory.dmp

memory/1456-7-0x000000007474E000-0x000000007474F000-memory.dmp

memory/1456-8-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/1456-9-0x0000000008020000-0x00000000080A6000-memory.dmp

memory/1456-10-0x000000000A7A0000-0x000000000A83C000-memory.dmp

memory/2376-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2376-13-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/1456-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/2376-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

memory/2376-15-0x0000000004ED0000-0x0000000004F36000-memory.dmp

memory/2376-17-0x0000000005D80000-0x0000000005DD0000-memory.dmp

memory/2376-18-0x0000000074740000-0x0000000074EF0000-memory.dmp