Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
16-06-2024 11:57
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe
Resource
win10v2004-20240611-en
General
-
Target
2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe
-
Size
664KB
-
MD5
53e275e2b858405ce407fd21501b98a9
-
SHA1
55e72c38922f437e5cd6818161cb8d07d54cc60b
-
SHA256
ede2d38d5b84b16e3bd0aabd1a94056996d7e03660027bc3f5897787986ecd5c
-
SHA512
e69dd260fee0a48da82ca5e624cb5551b76eec0483a75c70f3a1d099e12363d85ef4fffb39dd976545005aab8f4ca3bfb060f44f93d8447fd9723dc46f63d427
-
SSDEEP
12288:Fs9oO3KSoCU5qJSr1eyEUcNj3YO0eWNyg/AnHUzTshY8Vh:ZRSoCU5qJSr1eyE/IO0eWNyg/qeTyL
Malware Config
Signatures
-
Azov
A wiper seeking only damage, first seen in 2022.
-
Renames multiple (381) 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:
2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bandera = "C:\\ProgramData\\rdpclient.exe" 2024-06-16_53e275e2b858405ce407fd21501b98a9_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:
2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exedescription ioc process File opened (read-only) \??\S: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\Z: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\A: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\B: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\I: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\L: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\O: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\Q: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\E: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\H: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\M: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\P: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\X: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\N: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\U: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\W: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\Y: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\G: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\J: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\K: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\R: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\T: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened (read-only) \??\V: 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe -
Drops file in Program Files directory 64 IoCs
Processes:
2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exedescription ioc process File opened for modification C:\Program Files\7-Zip\Lang\es.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\jaureg.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\ru.pak 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\si.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsptg.xml 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\uk-UA\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\System\de-DE\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 8.0.2 (x64).swidtag 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\en-GB.pak 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmprph.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsptb.xml 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\System\en-US\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\uk.pak 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\System\msadc\it-IT\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\uz.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\thaidict.md 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\santuario.md 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\sq.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Internet Explorer\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\bcel.md 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\SubsystemController.man 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\ink\lv-LV\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\.version 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dom.md 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\System\ja-JP\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaws.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\7-Zip\7-zip.chm 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipshe.xml 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\legal\jdk\relaxngom.md 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\server\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Google\Chrome\Application\110.0.5481.104\default_apps\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files (x86)\Windows Media Player\wmpshare.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ipskor.xml 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\RESTORE_FILES.txt 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\sscicons.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\id.pak 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkNoDrop32x32.gif 2024-06-16_53e275e2b858405ce407fd21501b98a9_ryuk.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2KB
MD578ede93114e65f9160fd03d3357c56e6
SHA188d531b101e57655f1d0d26c6b3257aa2468d460
SHA256c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5
SHA512074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d