Analysis
-
max time kernel
94s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
06-06-2024 05:36
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe
-
Size
664KB
-
MD5
4b0a0a61171188ea26cd3ee208362557
-
SHA1
6f9407d5eb319732426b88845093a0ad4bf5778f
-
SHA256
c431626df5db511cf1d1b01ce707ee86b14a950fbf2343d12bc4fcf3cdc58010
-
SHA512
2c9993ecde7c4872bc07792cc1fa4b885522215d5d965581273af6063084559b601fe97f75cb752bd430b0e6e24a1a0f792cc0a63ffe4994e9b9b748723a185d
-
SSDEEP
12288:Ks9vcloSoCU5qJSr1ezgEU6s6oKdzFMzxgoAQHUzTshhKIrEI:BLSoCU5qJSr1ekEfLdzFMzxgoFeTeKKf
Malware Config
Signatures
-
Azov
A wiper seeking only damage, first seen in 2022.
-
Renames multiple (462) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exedescription ioc process File opened (read-only) \??\H: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\K: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\S: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\W: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\Y: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\A: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\J: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\T: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\X: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\Z: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\B: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\E: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\I: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\L: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\O: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\P: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\U: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\G: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\M: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\N: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\Q: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\R: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened (read-only) \??\V: 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe -
Drops file in Program Files directory 64 IoCs
Processes:
2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exedescription ioc process File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\en-US.pak 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\MEIPreload\manifest.json 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\sk.pak 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\MicrosoftEdgeUpdate.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkDrop32x32.gif 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\javafx\glib.md 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\.version 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\RESTORE_FILES.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaSansDemiBold.ttf 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\accessibility.properties 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightRegular.ttf 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ku-ckb.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\msouc.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_sv.properties 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\ConvertToOpen.WTV 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\da.pak 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmpshare.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\co.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\ext\zipfs.jar 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\notification_helper.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\ar-SA\RESTORE_FILES.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File created C:\Program Files\dotnet\RESTORE_FILES.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\RESTORE_FILES.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Windows Media Player\wmplayer.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\javafx\icu_web.md 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\bcel.md 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 6.0.27 (x64).swidtag 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\id.pak 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\pwahelper.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\classfile_constants.h 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\jvmticmlr.h 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\sqloledb.rll 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\sv.pak 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\VisualElements\SmallLogoCanary.png 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\dbcicons.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\WidevineCdm\RESTORE_FILES.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash_11-lic.gif 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\sa.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RHeartbeatConfig.xml 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\pt-BR\RESTORE_FILES.txt 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\xlicons.exe 2024-06-06_4b0a0a61171188ea26cd3ee208362557_ryuk.exe
Processes
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Program Files\7-Zip\Lang\RESTORE_FILES.txtFilesize
2KB
MD578ede93114e65f9160fd03d3357c56e6
SHA188d531b101e57655f1d0d26c6b3257aa2468d460
SHA256c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d
-
memory/4636-0-0x000001F300BF0000-0x000001F300BF4000-memory.dmpFilesize
16KB
-
memory/4636-6-0x000001F300BF0000-0x000001F300BF4000-memory.dmpFilesize
16KB
-
memory/4636-2-0x00007FF788760000-0x00007FF7887F7000-memory.dmpFilesize
604KB
-
memory/4636-7-0x000001F300BE0000-0x000001F300BE5000-memory.dmpFilesize
20KB
-
memory/4636-13-0x000001F300BE0000-0x000001F300BE5000-memory.dmpFilesize
20KB
-
memory/4636-12-0x000001F300AC0000-0x000001F300AC7000-memory.dmpFilesize
28KB
-
memory/4636-3-0x000001F300BE0000-0x000001F300BE5000-memory.dmpFilesize
20KB