Analysis
-
max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
11-06-2024 14:50
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe
-
Size
664KB
-
MD5
33c3889ae6b99f79dd0427113d284974
-
SHA1
cadda4b56c8a8bf270babb7b9fffecd860a83130
-
SHA256
2223f682e4dd3bbf82bfa2334026041398df0e96ee254a5f21f667094fd83b67
-
SHA512
41fd3a0ab5d7e3b0f661c8ae85a4bb8113166e834568aa5f3af7fe40816732b6649c8969c5fdee83bd5e29c20327a26a5060f7814dc6d755af328348118d23d9
-
SSDEEP
12288:8s9cUZSSoCU5qJSr1eSdUMPEC1J51cntg2A9HUzTshsI057wiYDDbj:cpSoCU5qJSr1eSd6CJ5Ontg2IeTDlWDb
Malware Config
Signatures
-
Azov
A wiper seeking only damage, first seen in 2022.
-
Renames multiple (542) 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:
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2024-06-11_33c3889ae6b99f79dd0427113d284974_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:
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exedescription ioc process File opened (read-only) \??\B: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\E: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\I: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\W: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\X: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\A: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\J: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\L: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\P: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\Q: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\Z: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\G: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\O: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\R: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\T: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\U: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\V: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\K: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\M: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\N: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\S: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\Y: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened (read-only) \??\H: 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe -
Drops file in Program Files directory 64 IoCs
Processes:
2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exedescription ioc process File opened for modification C:\Program Files\Common Files\microsoft shared\ink\mip.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\hijrah-config-umalqura.properties 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveDrop32x32.gif 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsnor.xml 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\jfr\profile.jfc 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\lt.pak 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\fur.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\server\Xusage.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\pj11icon.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Internet Explorer\SIGNUP\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\7-Zip\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\ro-RO\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\af.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\legal\jdk\santuario.md 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\jdk\ecc.md 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 8.0.2 (x64).swidtag 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\de.pak 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ja.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\ko.pak 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Common Files\System\de-DE\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\af.pak 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jucheck.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\VisualElements\LogoBeta.png 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\System\ado\msador28.tlb 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_99718\javaws.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\management-agent.jar 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\Welcome.html 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\jdk\jopt-simple.md 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\RESTORE_FILES.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.187.37\MicrosoftEdgeUpdateSetup.exe 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\psfont.properties.ja 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\ko.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\si.txt 2024-06-11_33c3889ae6b99f79dd0427113d284974_ryuk.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD578ede93114e65f9160fd03d3357c56e6
SHA188d531b101e57655f1d0d26c6b3257aa2468d460
SHA256c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d