Malware Analysis Report

2024-10-10 07:37

Sample ID 240612-qx977axamf
Target 1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0
SHA256 1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0
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

1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0

Threat Level: Shows suspicious behavior

The file 1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0 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 13:39

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 13:39

Reported

2024-06-12 13:42

Platform

win7-20240508-en

Max time kernel

119s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2024 wrote to memory of 1508 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 1508 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 1508 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 1508 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 1508 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 1508 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 1508 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\1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0.dll,#1

Network

N/A

Files

memory/1508-0-0x0000000074580000-0x0000000074BD5000-memory.dmp

memory/1508-1-0x0000000073F20000-0x0000000074575000-memory.dmp

memory/1508-3-0x0000000073F20000-0x0000000074575000-memory.dmp

memory/1508-2-0x0000000074580000-0x0000000074BD5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 13:39

Reported

2024-06-12 13:42

Platform

win10v2004-20240611-en

Max time kernel

120s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4848 wrote to memory of 1440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4848 wrote to memory of 1440 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4848 wrote to memory of 1440 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\1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a4256a0c5a0ffe88d07d41d05b44022840bf104a4f3a1593f4d8c5041fef6b0.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 3.181.190.20.in-addr.arpa udp
BE 88.221.83.235:443 www.bing.com tcp
US 8.8.8.8:53 235.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/1440-0-0x0000000075060000-0x00000000756B5000-memory.dmp