Analysis
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max time kernel
69s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
07/03/2025, 15:32
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe
Resource
win10v2004-20250217-en
General
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Target
2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe
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Size
1.4MB
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MD5
90dd218e234a1d44b18756f29dceb797
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SHA1
7ca047841caa625993184c35a9dd5e10337a7c32
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SHA256
9fd7df50e12a6511e4f48bcd55f137da38c7092f842e2668755aecba18d64fd3
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SHA512
2759edb918f0b05ee5ac086a7313dbc1b7bff1ef1b875567f29d69c2ceb6bedbf2b583139824cd5b69b6b7b7ce89abe5e970926e17cb3c9051029e3fbad34547
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SSDEEP
24576:WXwwzE3xhVy+3aSQNwSg3e/uQESAfVevgw5Z0t15kEiaq:WXwwzchVnaSQyT3eGQpAfOgwf0tnktaq
Malware Config
Signatures
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Azov
A wiper seeking only damage, first seen in 2022.
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Azov family
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Renames multiple (114) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\S: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\T: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\A: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\B: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\E: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\K: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\Q: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\W: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\X: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\Y: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\H: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\L: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\U: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\Z: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\J: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\O: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\V: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\G: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\I: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\M: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\N: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\P: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened (read-only) \??\R: 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Lang\en.ttt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fi.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\hr.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\tg.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\tr.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\7z.exe 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ca.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File created C:\Program Files\Common Files\DESIGNER\RESTORE_FILES.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\br.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\nb.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ps.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClientIsv.man 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ug.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ga.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\sk.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\hy.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ms.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\cy.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientCapabilities.json 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\mng.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ta.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\DESIGNER\MSADDNDR.OLB 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\ServiceWatcherSchedule.xml 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\History.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\pt.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClient.man 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientEventLogMessages.man 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\af.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\is.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\mn.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\CheckpointSplit.css 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ru.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\co.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File created C:\Program Files\RESTORE_FILES.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\hi.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\lt.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\sl.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RHeartbeatConfig.xml 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ext.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\gl.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ku.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\readme.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\el.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fr.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\nl.txt 2025-03-07_90dd218e234a1d44b18756f29dceb797_ryuk.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD578ede93114e65f9160fd03d3357c56e6
SHA188d531b101e57655f1d0d26c6b3257aa2468d460
SHA256c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d