Malware Analysis Report

2024-10-10 07:59

Sample ID 240612-ny3hmatdje
Target 3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e
SHA256 3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e
Tags
themida
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e

Threat Level: Shows suspicious behavior

The file 3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e was found to be: Shows suspicious behavior.

Malicious Activity Summary

themida

Themida packer

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 11:49

Signatures

Themida packer

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 11:49

Reported

2024-06-12 11:51

Platform

win10v2004-20240611-en

Max time kernel

98s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4704 wrote to memory of 656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4704 wrote to memory of 656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4704 wrote to memory of 656 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.237:443 tse1.mm.bing.net tcp
US 204.79.197.237:443 tse1.mm.bing.net tcp
US 204.79.197.237:443 tse1.mm.bing.net tcp
NL 23.62.61.97:443 www.bing.com tcp
US 204.79.197.237:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.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 95.221.229.192.in-addr.arpa udp
US 20.42.73.26:443 tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp

Files

memory/656-0-0x0000000074490000-0x0000000074B41000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 11:49

Reported

2024-06-12 11:51

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2208 wrote to memory of 1752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2208 wrote to memory of 1752 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4498f8d5829ce5b6f43771ccbaa5a82852b2e938ea3ab4d0944bd6e9cc9a4e.dll,#1

Network

N/A

Files

memory/1752-0-0x0000000074600000-0x0000000074CB1000-memory.dmp

memory/1752-1-0x0000000073F40000-0x00000000745F1000-memory.dmp

memory/1752-2-0x0000000073F40000-0x00000000745F1000-memory.dmp