Malware Analysis Report

2025-08-05 16:16

Sample ID 240521-ea4lcagd48
Target Invoice KIK-1 P234478.exe
SHA256 087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd
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

087f3c379a1f08fc51ba599872013c25ee442d1bfeb87ce93503239ea2a388fd

Threat Level: Known bad

The file Invoice KIK-1 P234478.exe was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-21 03:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 03:45

Reported

2024-05-21 03:47

Platform

win7-20240221-en

Max time kernel

118s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

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 1772 set thread context of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.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 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
PID 1772 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\system32\WerFault.exe
PID 1772 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\system32\WerFault.exe
PID 1772 wrote to memory of 2240 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe

"C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe"

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1772 -s 628

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/1772-0-0x000007FEF6173000-0x000007FEF6174000-memory.dmp

memory/1772-1-0x0000000000240000-0x000000000024E000-memory.dmp

memory/1772-2-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

memory/1772-3-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

memory/1772-4-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

memory/1772-5-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

memory/1772-6-0x000000001ACC0000-0x000000001AD52000-memory.dmp

memory/1988-7-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1988-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1988-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1988-18-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1988-16-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1988-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1988-13-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1988-20-0x0000000000400000-0x0000000000440000-memory.dmp

memory/1988-21-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

memory/1988-22-0x0000000074D20000-0x000000007540E000-memory.dmp

memory/1772-23-0x000007FEF6173000-0x000007FEF6174000-memory.dmp

memory/1772-24-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

memory/1988-25-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

memory/1988-26-0x0000000074D20000-0x000000007540E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 03:45

Reported

2024-05-21 03:47

Platform

win10v2004-20240426-en

Max time kernel

129s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

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 3572 set thread context of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.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 3572 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3572 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3572 wrote to memory of 1332 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
PID 3572 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 968 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 3572 wrote to memory of 1404 N/A C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe

"C:\Users\Admin\AppData\Local\Temp\Invoice KIK-1 P234478.exe"

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

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp
US 8.8.8.8:53 205.13.26.104.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/3572-0-0x00007FFFEF2C3000-0x00007FFFEF2C5000-memory.dmp

memory/3572-1-0x000002C6ECF00000-0x000002C6ECF0E000-memory.dmp

memory/3572-2-0x00007FFFEF2C0000-0x00007FFFEFD81000-memory.dmp

memory/3572-3-0x00007FFFEF2C0000-0x00007FFFEFD81000-memory.dmp

memory/3572-4-0x000002C6ED1B0000-0x000002C6ED242000-memory.dmp

memory/968-5-0x0000000000400000-0x0000000000440000-memory.dmp

memory/968-6-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

memory/968-7-0x0000000005930000-0x0000000005ED4000-memory.dmp

memory/968-8-0x0000000005480000-0x00000000054E6000-memory.dmp

memory/968-9-0x0000000074B20000-0x00000000752D0000-memory.dmp

memory/3572-10-0x00007FFFEF2C0000-0x00007FFFEFD81000-memory.dmp

memory/968-11-0x00000000068A0000-0x00000000068F0000-memory.dmp

memory/968-12-0x0000000006990000-0x0000000006A22000-memory.dmp

memory/968-13-0x0000000006910000-0x000000000691A000-memory.dmp

memory/968-14-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

memory/968-15-0x0000000074B20000-0x00000000752D0000-memory.dmp