Analysis
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max time kernel
92s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
09/07/2024, 00:01
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe
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Size
906KB
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MD5
6dd8c26f64df37d0c7645b63c9bba51f
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SHA1
9e2d705afad61509a90fd07915d3925aa4a3d997
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SHA256
a40b815afce131df6d4bc3f389cb64b742f545481119d3ecb78dda22e546a41a
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SHA512
0eb26db5752c6806f8b6f51eb7f311154c6a0a3907563b4f144fc09159996ebb014432c0ed98090356ff9fcd88d3f360d3d4ddb97d0c77cc631c8d86de3006e7
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SSDEEP
6144:EYdNbzC+2VEOxgtCoW0RlmQzr7cCJPBv7ameMF8DXUQa1xCSjOT:1iuCoW0RlmQzrQCBv76DXfoxCa
Malware Config
Signatures
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Rhysida
Rhysida is a ransomware that is written in C++ and discovered in 2023.
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Renames multiple (8134) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\VideoLAN\VLC\locale\bn_IN\LC_MESSAGES\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ul-oob.xrm-ms.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\nl-nl\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\ko-kr\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\BLUECALM\BLUECALM.INF.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\BLUECALM\PREVIEW.GIF.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\signatures\images\themes\dark\share_icons2x.png.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Trust Protection Lists\Mu\Content.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-pl.xrm-ms.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\sr-latn-cs\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\cs-cz\ui-strings.js.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-black\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\nl-nl\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\fr_get.svg.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files (x86)\Common Files\Adobe\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\en-il\ui-strings.js.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe.manifest.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagementSource\ja-JP\MSFT_PackageManagementSource.schema.mfl.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ul-oob.xrm-ms.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsCamera_2018.826.98.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\VisualElements\LogoDev.png.DATA.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\sk-sk\ui-strings.js.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\ru-ru\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\sk-sk\ui-strings.js.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\vstoee100.tlb.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\PIXEL\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\ta-IN\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_link_18.svg.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\VideoLAN\VLC\locale\af\LC_MESSAGES\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\images\icons_retina.png.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\selector.js.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\gl-ES\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\LTR\contrast-white\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Assets\IDPValueAssets\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\fi-fi\ui-strings.js.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\LanguageNames2\DisplayLanguageNames.en_CA.txt.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Common Files\System\Ole DB\it-IT\sqloledb.rll.mui.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files (x86)\Internet Explorer\ja-JP\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\rsod\osmuxmui.msi.16.en-us.boot.tree.dat.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-phn.xrm-ms.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.ZuneVideo_10.19071.19011.0_neutral_split.scale-125_8wekyb3d8bbwe\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\css\main.css.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-pl.xrm-ms.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ppd.xrm-ms.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\plugins\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Internet Explorer\es-ES\ieinstal.exe.mui.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\hu.pak.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql2000.xsl.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.tlb.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-100.png.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.common.16.xml.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_sortedby_18.svg.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\hi_contrast\core_icons__retina_hiContrast_bow.png.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\CriticalBreachDetected.pdf 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-140.png.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft Help\MS.DATABASECOMPARE.16.1033.hxn.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ul-oob.xrm-ms.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-phn.xrm-ms.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\tr-tr\ui-strings.js.rhysida 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1204 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4796 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe 4796 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4796 wrote to memory of 4436 4796 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe 88 PID 4796 wrote to memory of 4436 4796 2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe 88 PID 4436 wrote to memory of 4996 4436 cmd.exe 90 PID 4436 wrote to memory of 4996 4436 cmd.exe 90 PID 4996 wrote to memory of 1204 4996 cmd.exe 91 PID 4996 wrote to memory of 1204 4996 cmd.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c cmd.exe /c start ping 127.0.0.1 -n 2 > nul && del /f /q "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\2024-07-08_6dd8c26f64df37d0c7645b63c9bba51f_rhysida.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Windows\system32\cmd.execmd.exe /c start ping 127.0.0.1 -n 23⤵
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Windows\system32\PING.EXEping 127.0.0.1 -n 24⤵
- Runs ping.exe
PID:1204
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
111KB
MD593dc030fb16eb16f5f15afb6ce42b1fc
SHA10ace6ca808c97236dd24470b9b3925416cb55777
SHA2560ba11fb0caa6a8c7b24c5d8dcfb88b2edee9310265f8e4e2c795ec3389c4b225
SHA5121266b09415136ca4ef201527e110f938f50802fa2074796728d7ab0e5868cb1a670f2c2846a46c88d138e83080b7ed1f178e479dd0216bf4c84a31c80d5d078b