Malware Analysis Report

2024-10-10 07:59

Sample ID 240612-mnrgyavenn
Target 5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879
SHA256 5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879
Tags
themida
score
7/10

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
7/10

SHA256

5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879

Threat Level: Shows suspicious behavior

The file 5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879 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 10:36

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: behavioral1

Detonation Overview

Submitted

2024-06-12 10:36

Reported

2024-06-12 10:39

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3016 wrote to memory of 1820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3016 wrote to memory of 1820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3016 wrote to memory of 1820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3016 wrote to memory of 1820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3016 wrote to memory of 1820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3016 wrote to memory of 1820 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3016 wrote to memory of 1820 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\5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879.dll,#1

Network

N/A

Files

memory/1820-0-0x00000000749D0000-0x000000007519D000-memory.dmp

memory/1820-1-0x00000000737D0000-0x0000000073F9D000-memory.dmp

memory/1820-2-0x00000000749D0000-0x000000007519D000-memory.dmp

memory/1820-3-0x00000000737D0000-0x0000000073F9D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 10:36

Reported

2024-06-12 10:39

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

54s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3804 wrote to memory of 3156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3804 wrote to memory of 3156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3804 wrote to memory of 3156 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\5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a4a8e2c5b423d3c489a0059d23a309fcd3e2fffd6a57bbce51c56bd8634d879.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/3156-0-0x00000000745F0000-0x0000000074DBD000-memory.dmp