Malware Analysis Report

2024-10-10 07:59

Sample ID 240612-p1a2tsvgna
Target c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386
SHA256 c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386
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

c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386

Threat Level: Shows suspicious behavior

The file c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386 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 12:47

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 12:47

Reported

2024-06-12 12:49

Platform

win7-20240611-en

Max time kernel

120s

Max time network

125s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2196 wrote to memory of 1576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2196 wrote to memory of 1576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2196 wrote to memory of 1576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2196 wrote to memory of 1576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2196 wrote to memory of 1576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2196 wrote to memory of 1576 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2196 wrote to memory of 1576 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\c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386.dll,#1

Network

N/A

Files

memory/1576-0-0x00000000748B0000-0x0000000074F37000-memory.dmp

memory/1576-1-0x0000000074220000-0x00000000748A7000-memory.dmp

memory/1576-3-0x0000000074220000-0x00000000748A7000-memory.dmp

memory/1576-2-0x00000000748B0000-0x0000000074F37000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 12:47

Reported

2024-06-12 12:49

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3628 wrote to memory of 4768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3628 wrote to memory of 4768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3628 wrote to memory of 4768 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\c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c33e0f8188f280171361c907770357c4d61e58ca9e94cabdc0bdb7e94a6d5386.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 131.253.33.237:443 g.bing.com tcp
BE 2.17.196.99:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.33.253.131.in-addr.arpa udp
US 8.8.8.8:53 99.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 193.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4768-0-0x0000000074AD0000-0x0000000075157000-memory.dmp