Malware Analysis Report

2025-01-02 15:34

Sample ID 210528-w5rxrt5zks
Target dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3
SHA256 dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3
Tags
ransomware avaddon
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

dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3

Threat Level: Known bad

The file dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3 was found to be: Known bad.

Malicious Activity Summary

ransomware avaddon

Avaddon Ransomware

Avaddon family

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-05-28 10:57

Signatures

Avaddon Ransomware

ransomware
Description Indicator Process Target
N/A N/A N/A N/A

Avaddon family

avaddon

Analysis: behavioral1

Detonation Overview

Submitted

2021-05-28 10:57

Reported

2021-05-28 11:00

Platform

win7v20210408

Max time kernel

4s

Max time network

49s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1816 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1816 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1816 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1816 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1816 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1816 wrote to memory of 1252 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1816 wrote to memory of 1252 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\dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3.dll

Network

N/A

Files

memory/1816-59-0x000007FEFBD61000-0x000007FEFBD63000-memory.dmp

memory/1252-60-0x0000000000000000-mapping.dmp

memory/1252-61-0x0000000075801000-0x0000000075803000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-05-28 10:57

Reported

2021-05-28 11:00

Platform

win10v20210410

Max time kernel

148s

Max time network

150s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4436 wrote to memory of 4556 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4436 wrote to memory of 4556 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4436 wrote to memory of 4556 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\dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\dc98cb763a22778c48fd33a24d8d54e2d961b691c965a7172005f475fd31c1c3.dll

Network

Country Destination Domain Proto
N/A 10.10.0.26:52428 tcp

Files

memory/4556-114-0x0000000000000000-mapping.dmp