Malware Analysis Report

2025-03-15 04:21

Sample ID 241026-a2df1svlf1
Target 26102024_0042_22102024_GF987654567890009800.doc.lz
SHA256 b8afba76b6a29d6928bb3298d91efdb2ab5f42fb599949781189506fdca143d2
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

b8afba76b6a29d6928bb3298d91efdb2ab5f42fb599949781189506fdca143d2

Threat Level: Known bad

The file 26102024_0042_22102024_GF987654567890009800.doc.lz was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan

AgentTesla

Agenttesla family

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-26 00:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-26 00:42

Reported

2024-10-26 00:47

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3020 set thread context of 2196 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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\GF987654567890009800.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe N/A

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

Processes

C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe

"C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp

Files

memory/3020-0-0x000000007463E000-0x000000007463F000-memory.dmp

memory/3020-1-0x0000000000E80000-0x0000000000F46000-memory.dmp

memory/3020-2-0x0000000000320000-0x000000000032A000-memory.dmp

memory/2196-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2196-11-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2196-13-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2196-9-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2196-6-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2196-5-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2196-3-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2196-4-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2196-14-0x000000007365E000-0x000000007365F000-memory.dmp

memory/2196-15-0x0000000073650000-0x0000000073D3E000-memory.dmp

memory/2196-16-0x000000007365E000-0x000000007365F000-memory.dmp

memory/2196-17-0x0000000073650000-0x0000000073D3E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-26 00:42

Reported

2024-10-26 00:47

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

189s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4536 set thread context of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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\GF987654567890009800.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe N/A
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 4536 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 916 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 4536 wrote to memory of 3232 N/A C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe

Processes

C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.exe

"C:\Users\Admin\AppData\Local\Temp\GF987654567890009800.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

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 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 ftp.antoniomayol.com udp
US 162.241.62.63:21 ftp.antoniomayol.com tcp
US 8.8.8.8:53 63.62.241.162.in-addr.arpa udp
US 162.241.62.63:35755 ftp.antoniomayol.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 110.11.19.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4536-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

memory/4536-1-0x00000000003D0000-0x0000000000496000-memory.dmp

memory/4536-2-0x0000000000BC0000-0x0000000000BCA000-memory.dmp

memory/3232-3-0x0000000000400000-0x0000000000442000-memory.dmp

memory/3232-5-0x0000000074D00000-0x00000000754B0000-memory.dmp

memory/3232-6-0x0000000005A70000-0x0000000006014000-memory.dmp

memory/3232-7-0x0000000074D00000-0x00000000754B0000-memory.dmp

memory/3232-8-0x00000000054C0000-0x0000000005526000-memory.dmp

memory/3232-9-0x00000000067C0000-0x0000000006852000-memory.dmp

memory/3232-10-0x0000000006860000-0x00000000068B0000-memory.dmp

memory/3232-11-0x0000000006950000-0x00000000069EC000-memory.dmp

memory/3232-12-0x0000000006AE0000-0x0000000006AEA000-memory.dmp

memory/3232-13-0x0000000074D00000-0x00000000754B0000-memory.dmp

memory/3232-14-0x0000000074D00000-0x00000000754B0000-memory.dmp