Malware Analysis Report

2024-10-10 07:59

Sample ID 240612-nreg8awhnq
Target f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb
SHA256 f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb
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

f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb

Threat Level: Shows suspicious behavior

The file f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb 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 11:37

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 11:37

Reported

2024-06-12 11:40

Platform

win7-20240508-en

Max time kernel

121s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb.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 2244 wrote to memory of 2056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2244 wrote to memory of 2056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2244 wrote to memory of 2056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2244 wrote to memory of 2056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2244 wrote to memory of 2056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2244 wrote to memory of 2056 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2244 wrote to memory of 2056 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\f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb.dll,#1

Network

N/A

Files

memory/2056-0-0x00000000744E0000-0x0000000074ABD000-memory.dmp

memory/2056-1-0x00000000744E0000-0x0000000074ABD000-memory.dmp

memory/2056-2-0x0000000073F00000-0x00000000744DD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 11:37

Reported

2024-06-12 11:40

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 620 wrote to memory of 3452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 620 wrote to memory of 3452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 620 wrote to memory of 3452 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\f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3312d9591fc730a0059a7f323d31c94c2be634141fdbdc5a37ea450164a48fb.dll,#1

Network

Files

memory/3452-0-0x00000000745C0000-0x0000000074B9D000-memory.dmp