Malware Analysis Report

2024-10-16 03:26

Sample ID 201011-lqxl452etx
Target sm.bin
SHA256 9c900078cc6061fb7ba038ee5c065a45112665f214361d433fc3906bf288e0eb
Tags
ransomware egregor
score
10/10

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
10/10

SHA256

9c900078cc6061fb7ba038ee5c065a45112665f214361d433fc3906bf288e0eb

Threat Level: Known bad

The file sm.bin was found to be: Known bad.

Malicious Activity Summary

ransomware egregor

Egregor Ransomware

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2020-10-11 22:16

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-10-11 22:16

Reported

2020-10-11 22:18

Platform

win7

Max time kernel

2s

Max time network

16s

Command Line

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

Signatures

Egregor Ransomware

ransomware egregor

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1424 wrote to memory of 1100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1424 wrote to memory of 1100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1424 wrote to memory of 1100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1424 wrote to memory of 1100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1424 wrote to memory of 1100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1424 wrote to memory of 1100 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1424 wrote to memory of 1100 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\sm.bin.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

Network

N/A

Files

memory/1100-0-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-10-11 22:16

Reported

2020-10-11 22:18

Platform

win10v200722

Max time kernel

11s

Max time network

111s

Command Line

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

Signatures

Egregor Ransomware

ransomware egregor

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3888 wrote to memory of 780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3888 wrote to memory of 780 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3888 wrote to memory of 780 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\sm.bin.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

Network

N/A

Files

memory/780-0-0x0000000000000000-mapping.dmp