Malware Analysis Report

2024-10-23 21:59

Sample ID 240612-cb79taycjg
Target 75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2
SHA256 75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2
Tags
agenttesla keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2

Threat Level: Known bad

The file 75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2 was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 01:55

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 01:55

Reported

2024-06-12 01:57

Platform

win7-20240508-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2284 set thread context of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2284 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2284 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2284 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2284 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2284 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2284 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2284 wrote to memory of 2760 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
PID 2284 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2284 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2284 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2284 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 2284 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2284 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2284 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2284 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2284 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2284 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2284 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2284 wrote to memory of 2304 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 2284 wrote to memory of 2540 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe

Processes

C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe

"C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.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\AddInProcess32.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.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\CasPol.exe

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

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

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

Network

N/A

Files

memory/2284-0-0x000007FEF55C3000-0x000007FEF55C4000-memory.dmp

memory/2284-1-0x0000000000AE0000-0x0000000000D34000-memory.dmp

memory/2284-2-0x000007FEF55C0000-0x000007FEF5FAC000-memory.dmp

memory/2284-3-0x000000001B210000-0x000000001B2A4000-memory.dmp

memory/2304-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2304-10-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2304-8-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2304-6-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2632-21-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2632-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2632-27-0x00000000742DE000-0x00000000742DF000-memory.dmp

memory/2284-26-0x000007FEF55C0000-0x000007FEF5FAC000-memory.dmp

memory/2632-25-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2632-23-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2632-28-0x00000000742D0000-0x00000000749BE000-memory.dmp

memory/2632-29-0x00000000742DE000-0x00000000742DF000-memory.dmp

memory/2632-30-0x00000000742D0000-0x00000000749BE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 01:55

Reported

2024-06-12 01:57

Platform

win10v2004-20240611-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2660 set thread context of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
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 2660 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3476 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2660 wrote to memory of 3376 N/A C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe

"C:\Users\Admin\AppData\Local\Temp\75a67dd823e262d9f88b845e8c96aa376fce5c2261d835e3bf96b4f1f24a75c2.exe"

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

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

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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp

Files

memory/2660-0-0x000001F380830000-0x000001F380A84000-memory.dmp

memory/2660-1-0x00007FFF7D643000-0x00007FFF7D645000-memory.dmp

memory/2660-2-0x00007FFF7D640000-0x00007FFF7E101000-memory.dmp

memory/2660-3-0x000001F39B190000-0x000001F39B224000-memory.dmp

memory/3476-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3476-5-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

memory/3476-6-0x0000000005D10000-0x00000000062B4000-memory.dmp

memory/3476-7-0x00000000057D0000-0x0000000005836000-memory.dmp

memory/3476-8-0x0000000074CA0000-0x0000000075450000-memory.dmp

memory/2660-9-0x00007FFF7D640000-0x00007FFF7E101000-memory.dmp

memory/3476-10-0x0000000006670000-0x00000000066C0000-memory.dmp

memory/3476-11-0x0000000006760000-0x00000000067FC000-memory.dmp

memory/3476-12-0x0000000006F60000-0x0000000006FF2000-memory.dmp

memory/3476-13-0x0000000006F30000-0x0000000006F3A000-memory.dmp

memory/3476-14-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

memory/3476-15-0x0000000074CA0000-0x0000000075450000-memory.dmp