Malware Analysis Report

2025-01-02 15:38

Sample ID 210528-lqcr344czs
Target 8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2
SHA256 8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2
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

8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2

Threat Level: Known bad

The file 8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2 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 10:44

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 10:44

Reported

2021-05-28 10:47

Platform

win7v20210410

Max time kernel

120s

Max time network

123s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1688 wrote to memory of 1812 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1688 wrote to memory of 1812 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1688 wrote to memory of 1812 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1688 wrote to memory of 1812 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1688 wrote to memory of 1812 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1688 wrote to memory of 1812 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1688 wrote to memory of 1812 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\8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2.dll

Network

N/A

Files

memory/1688-60-0x000007FEFBB51000-0x000007FEFBB53000-memory.dmp

memory/1812-61-0x0000000000000000-mapping.dmp

memory/1812-62-0x0000000075011000-0x0000000075013000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-05-28 10:44

Reported

2021-05-28 10:47

Platform

win10v20210410

Max time kernel

13s

Max time network

146s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2.dll

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3744 wrote to memory of 1908 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3744 wrote to memory of 1908 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3744 wrote to memory of 1908 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\8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\8a67ddc6e0166cb54eace3c5ca68b75f787d7fea5498310cb7589d7b59e83fd2.dll

Network

Country Destination Domain Proto
N/A 10.10.0.28:58974 tcp
N/A 10.10.0.36:56094 tcp
N/A 10.10.0.23:50699 tcp
N/A 10.10.0.12:58990 tcp
N/A 10.10.0.21:50564 tcp
N/A 10.10.0.34:51714 tcp
N/A 10.10.0.18:51917 tcp

Files

memory/1908-114-0x0000000000000000-mapping.dmp