Malware Analysis Report

2024-11-30 06:45

Sample ID 240604-b2a7bshe62
Target 1eef7b338780db35a2c76e2b6946ba9217608fd8d0686c7c73d5b26944133904
SHA256 1eef7b338780db35a2c76e2b6946ba9217608fd8d0686c7c73d5b26944133904
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

1eef7b338780db35a2c76e2b6946ba9217608fd8d0686c7c73d5b26944133904

Threat Level: Known bad

The file 1eef7b338780db35a2c76e2b6946ba9217608fd8d0686c7c73d5b26944133904 was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-04 01:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 01:37

Reported

2024-06-04 01:40

Platform

win7-20240508-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2188 set thread context of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 2188 wrote to memory of 2812 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe"

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

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

Network

N/A

Files

memory/2188-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

memory/2188-1-0x0000000000850000-0x000000000095C000-memory.dmp

memory/2188-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/2188-3-0x0000000005160000-0x00000000051A4000-memory.dmp

memory/2188-4-0x00000000746DE000-0x00000000746DF000-memory.dmp

memory/2188-5-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/2188-6-0x0000000000830000-0x000000000084A000-memory.dmp

memory/2188-7-0x0000000001E10000-0x0000000001E16000-memory.dmp

memory/2188-8-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/2812-9-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2812-10-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2812-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2812-12-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2812-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2188-14-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/2812-15-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2812-16-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2812-17-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2812-18-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/2188-19-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/2812-20-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/2812-21-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 01:37

Reported

2024-06-04 01:40

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3076 set thread context of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3076 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2364 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 696 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 696 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 696 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 696 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 696 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 696 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 696 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 696 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
PID 3076 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe

"C:\Users\Admin\AppData\Local\Temp\DELIVERY NOTE_pdf.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3972 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8

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

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

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.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 13.107.246.64:443 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/3076-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

memory/3076-1-0x0000000000570000-0x000000000067C000-memory.dmp

memory/3076-2-0x00000000051B0000-0x000000000524C000-memory.dmp

memory/3076-3-0x0000000005820000-0x0000000005DC4000-memory.dmp

memory/3076-4-0x0000000074E40000-0x00000000755F0000-memory.dmp

memory/3076-5-0x0000000006360000-0x00000000063A4000-memory.dmp

memory/3076-6-0x0000000006470000-0x0000000006502000-memory.dmp

memory/3076-7-0x00000000063F0000-0x00000000063FA000-memory.dmp

memory/3076-8-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

memory/3076-9-0x0000000074E40000-0x00000000755F0000-memory.dmp

memory/3076-10-0x0000000074E40000-0x00000000755F0000-memory.dmp

memory/3076-11-0x0000000074E40000-0x00000000755F0000-memory.dmp

memory/3076-12-0x0000000001070000-0x000000000108A000-memory.dmp

memory/3076-13-0x0000000001050000-0x0000000001056000-memory.dmp

memory/2520-14-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2520-16-0x0000000074E40000-0x00000000755F0000-memory.dmp

memory/3076-17-0x0000000074E40000-0x00000000755F0000-memory.dmp

memory/2520-18-0x0000000005200000-0x0000000005266000-memory.dmp

memory/2520-19-0x0000000074E40000-0x00000000755F0000-memory.dmp

memory/2520-20-0x0000000008100000-0x0000000008150000-memory.dmp

memory/2520-21-0x0000000074E40000-0x00000000755F0000-memory.dmp