Malware Analysis Report

2024-10-10 08:00

Sample ID 240612-nw6ghaxbpr
Target fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1
SHA256 fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1
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

fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1

Threat Level: Shows suspicious behavior

The file fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1 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 11:45

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 11:45

Reported

2024-06-12 11:48

Platform

win7-20240611-en

Max time kernel

118s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2964 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2964 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2964 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2964 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2964 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2964 wrote to memory of 2412 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2964 wrote to memory of 2412 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\fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1.dll,#1

Network

N/A

Files

memory/2412-0-0x0000000073F80000-0x0000000074585000-memory.dmp

memory/2412-1-0x0000000073F80000-0x0000000074585000-memory.dmp

memory/2412-2-0x0000000073970000-0x0000000073F75000-memory.dmp

memory/2412-3-0x0000000073970000-0x0000000073F75000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 11:45

Reported

2024-06-12 11:48

Platform

win10v2004-20240611-en

Max time kernel

93s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1.dll,#1

Signatures

Themida packer

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 892 wrote to memory of 4552 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 892 wrote to memory of 4552 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 892 wrote to memory of 4552 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\fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed52c9ec6daa6cb91144c15606da5148c8b41102a73ec8c91e49f3a48fa35e1.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/4552-0-0x00000000744D0000-0x0000000074AD5000-memory.dmp