Malware Analysis Report

2024-10-16 03:25

Sample ID 201114-zt8garnpsx
Target sdfsdf.dll
SHA256 4c9e3ffda0e663217638e6192a093bbc23cd9ebfbdf6d2fc683f331beaee0321
Tags
egregor ransomware
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 Overview

score
10/10

SHA256

4c9e3ffda0e663217638e6192a093bbc23cd9ebfbdf6d2fc683f331beaee0321

Threat Level: Known bad

The file sdfsdf.dll was found to be: Known bad.

Malicious Activity Summary

egregor ransomware

Egregor Ransomware

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2020-11-14 05:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-11-14 05:53

Reported

2020-11-14 05:56

Platform

win10v20201028

Max time kernel

30s

Max time network

110s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\sdfsdf.dll

Signatures

Egregor Ransomware

ransomware egregor

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 592 wrote to memory of 2040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 592 wrote to memory of 2040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 592 wrote to memory of 2040 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\sdfsdf.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\sdfsdf.dll

Network

N/A

Files

memory/2040-0-0x0000000000000000-mapping.dmp

memory/2040-1-0x0000000000660000-0x000000000069F000-memory.dmp