Malware Analysis Report

2024-09-23 07:02

Sample ID 240616-ffdgsazgmf
Target 2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk
SHA256 69cc68e5545b25a09e3e7842b8c26acaeba5f724929754834f1a373d2dbedc2a
Tags
azov persistence ransomware wiper
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

69cc68e5545b25a09e3e7842b8c26acaeba5f724929754834f1a373d2dbedc2a

Threat Level: Known bad

The file 2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk was found to be: Known bad.

Malicious Activity Summary

azov persistence ransomware wiper

Azov

Renames multiple (87) files with added filename extension

Enumerates connected drives

Adds Run key to start application

Drops file in Program Files directory

Unsigned PE

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 04:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 04:48

Reported

2024-06-16 04:51

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe"

Signatures

Azov

ransomware wiper azov

Renames multiple (87) files with added filename extension

ransomware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\Y: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\A: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\E: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\I: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\S: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\X: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\T: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\G: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\J: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\L: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\O: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\P: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\H: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\Q: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\U: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\Z: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\V: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\W: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\B: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\K: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\M: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\N: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened (read-only) \??\R: C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\7-Zip\Lang\es.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fr.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\hy.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ja.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\mn.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\bg.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\el.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\io.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\mng.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ro.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\sw.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\be.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ka.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\kk.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File created C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ga.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\sl.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\History.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ky.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\tr.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\eu.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ms.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ne.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ink\mip.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ba.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\da.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\si.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\co.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\hi.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\it.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ku-ckb.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\af.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\lv.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ru.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\7zCon.sfx C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\bn.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\de.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\gl.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ta.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File created C:\Program Files\7-Zip\RESTORE_FILES.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\en.ttt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fa.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\lij.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\mk.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fi.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fy.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\mng2.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\nn.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ps.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\7z.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Uninstall.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\fur.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\ku.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\mr.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\sq.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\7zG.exe C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\sa.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A
File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-16_f740fa97828418a168262c29fb8dcdd1_ryuk.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 201.64.52.20.in-addr.arpa udp

Files

memory/4604-2-0x0000021D8EDE0000-0x0000021D8EDE4000-memory.dmp

memory/4604-1-0x0000021D8EDD0000-0x0000021D8EDD5000-memory.dmp

memory/4604-0-0x0000021D8EDB0000-0x0000021D8EDB7000-memory.dmp

memory/4604-5-0x0000021D8EDD0000-0x0000021D8EDD5000-memory.dmp

memory/4604-6-0x0000021D8EDD0000-0x0000021D8EDD5000-memory.dmp

memory/4604-8-0x0000021D8EDD0000-0x0000021D8EDD5000-memory.dmp

memory/4604-16-0x0000021D8EDE0000-0x0000021D8EDE4000-memory.dmp

C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt

MD5 78ede93114e65f9160fd03d3357c56e6
SHA1 88d531b101e57655f1d0d26c6b3257aa2468d460
SHA256 c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512 074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d