Malware Analysis Report

2024-09-23 07:01

Sample ID 230111-tsm4msde37
Target GoogleUpdate.exe
SHA256 4ca12f17e8805b363edf6d0a6f3cf912279b7e07f34f75c876dbe7c949b3ca78
Tags
azov persistence ransomware wiper
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4ca12f17e8805b363edf6d0a6f3cf912279b7e07f34f75c876dbe7c949b3ca78

Threat Level: Known bad

The file GoogleUpdate.exe was found to be: Known bad.

Malicious Activity Summary

azov persistence ransomware wiper

Azov

Adds Run key to start application

Enumerates connected drives

Drops file in Program Files directory

MITRE ATT&CK Matrix V6

Analysis: static1

Detonation Overview

Reported

2023-01-11 16:19

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-01-11 16:19

Reported

2023-01-11 16:22

Platform

win10v2004-20221111-en

Max time kernel

104s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"

Signatures

Azov

ransomware wiper azov

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\7-Zip\descript.ion C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\af.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\az.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ca.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7-zip.chm C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7zCon.sfx C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ar.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\en.ttt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\et.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fi.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fur.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\gu.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\hu.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\an.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\bg.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\eo.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7zG.exe C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\hy.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ba.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\cs.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\cy.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\da.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\eu.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\he.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\hr.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7z.sfx C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fy.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\gl.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File created C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\br.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\de.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fa.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fr.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\hi.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File created C:\Program Files\7-Zip\RESTORE_FILES.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\History.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ast.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7z.exe C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\be.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\el.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\es.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ext.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\bn.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\co.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7zFM.exe C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ga.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe

"C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"

Network

Country Destination Domain Proto
N/A 20.189.173.15:443 tcp
N/A 178.79.208.1:80 tcp
N/A 93.184.221.240:80 tcp
N/A 178.79.208.1:80 tcp
N/A 178.79.208.1:80 tcp

Files

memory/3356-132-0x000002458A090000-0x000002458A094000-memory.dmp

memory/3356-133-0x00007FF6E7710000-0x00007FF6E7770000-memory.dmp

memory/3356-136-0x000002458A090000-0x000002458A094000-memory.dmp

memory/3356-135-0x000002458A080000-0x000002458A085000-memory.dmp

memory/3356-134-0x000002458A060000-0x000002458A066000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-01-11 16:19

Reported

2023-01-11 16:21

Platform

win7-20220812-en

Max time kernel

41s

Max time network

44s

Command Line

"C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"

Signatures

Azov

ransomware wiper azov

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\F: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\7-Zip\7z.exe C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7zCon.sfx C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File created C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\an.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\History.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ar.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\az.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File created C:\Program Files\7-Zip\RESTORE_FILES.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7z.sfx C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7zFM.exe C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\af.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ast.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7-zip.chm C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\descript.ion C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\7zG.exe C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ba.txt C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe

"C:\Users\Admin\AppData\Local\Temp\GoogleUpdate.exe"

Network

N/A

Files

memory/1996-54-0x0000000000210000-0x0000000000214000-memory.dmp

memory/1996-55-0x000000013F370000-0x000000013F3D0000-memory.dmp

memory/1996-58-0x0000000000210000-0x0000000000214000-memory.dmp

memory/1996-57-0x0000000000200000-0x0000000000205000-memory.dmp

memory/1996-56-0x00000000001E0000-0x00000000001E6000-memory.dmp