Malware Analysis Report

2024-12-07 14:08

Sample ID 241112-b5zn4avlhq
Target 8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc
SHA256 8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc
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

8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc

Threat Level: Known bad

The file 8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc 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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 01:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 01:44

Reported

2024-11-12 01:47

Platform

win7-20240903-en

Max time kernel

119s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe

"C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe"

Network

N/A

Files

memory/2788-0-0x000007FEF53F3000-0x000007FEF53F4000-memory.dmp

memory/2788-1-0x0000000001070000-0x000000000107A000-memory.dmp

memory/2788-2-0x0000000000290000-0x0000000000324000-memory.dmp

memory/2788-3-0x000007FEF53F0000-0x000007FEF5DDC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 01:44

Reported

2024-11-12 01:46

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3640 wrote to memory of 3260 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 3640 wrote to memory of 3260 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 3640 wrote to memory of 3260 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 3640 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 3640 wrote to memory of 1368 N/A C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.exe

"C:\Users\Admin\AppData\Local\Temp\8cf20045e2bdc4c84dfb5b4bd8c00649a6a8224c2b1dec4521ae53665ae31ffc.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\AddInProcess32.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\AddInProcess32.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3640-0-0x00007FF993183000-0x00007FF993185000-memory.dmp

memory/3640-1-0x00000264D2280000-0x00000264D228A000-memory.dmp

memory/3640-2-0x00000264D3F60000-0x00000264D3FF4000-memory.dmp

memory/3640-3-0x00007FF993180000-0x00007FF993C41000-memory.dmp

memory/952-4-0x0000000000400000-0x0000000000442000-memory.dmp

memory/952-5-0x000000007457E000-0x000000007457F000-memory.dmp

memory/952-6-0x0000000005C30000-0x00000000061D4000-memory.dmp

memory/952-7-0x00000000058A0000-0x0000000005906000-memory.dmp

memory/952-8-0x0000000074570000-0x0000000074D20000-memory.dmp

memory/3640-9-0x00007FF993180000-0x00007FF993C41000-memory.dmp

memory/952-10-0x0000000006CC0000-0x0000000006D52000-memory.dmp

memory/952-11-0x0000000006D60000-0x0000000006DB0000-memory.dmp

memory/952-12-0x0000000006CB0000-0x0000000006CBA000-memory.dmp

memory/952-13-0x000000007457E000-0x000000007457F000-memory.dmp

memory/952-14-0x0000000074570000-0x0000000074D20000-memory.dmp