rhysida | 6691e15f9f964cac735b0827ec7aeed3e74fb6d2042fc9b7cb8a80ff14f06f0d

Analysis

max time kernel
233s
max time network
262s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
07-07-2024 16:55

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General

Target

Users/administrator/AppData/Local/Temp/report.exe
Size

906KB
MD5

6dd8c26f64df37d0c7645b63c9bba51f
SHA1

9e2d705afad61509a90fd07915d3925aa4a3d997
SHA256

a40b815afce131df6d4bc3f389cb64b742f545481119d3ecb78dda22e546a41a
SHA512

0eb26db5752c6806f8b6f51eb7f311154c6a0a3907563b4f144fc09159996ebb014432c0ed98090356ff9fcd88d3f360d3d4ddb97d0c77cc631c8d86de3006e7
SSDEEP

6144:EYdNbzC+2VEOxgtCoW0RlmQzr7cCJPBv7ameMF8DXUQa1xCSjOT:1iuCoW0RlmQzrQCBv76DXfoxCa

Score

10^/10

rhysida ransomware spyware stealer

Malware Config

Signatures

Rhysida
Rhysida is a ransomware that is written in C++ and discovered in 2023.
ransomware rhysida
Renames multiple (8617) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\CriticalBreachDetected.pdf	report.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000042\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\js\nls\sv-se\ui-strings.js.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\VSTO\ActionsPane3.xsd.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\126.0.2592.87\MEIPreload\manifest.json.rhysida	report.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.rhysida	report.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\fi-fi\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\inline-error-1x.png.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\126.0.2592.87\Trust Protection Lists\Sigma\Entities.rhysida	report.exe
File created	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\Assets\Logos\contrast-white\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagement\MSFT_PackageManagement.schema.mof.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN089.XML.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Document Themes 16\Integral.thmx.rhysida	report.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\fr-fr\ui-strings.js.rhysida	report.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\CriticalBreachDetected.pdf	report.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\CriticalBreachDetected.pdf	report.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\zh-cn\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\sk-sk\ui-strings.js.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Microsoft\EdgeCore\126.0.2592.87\Locales\fr-CA.pak.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ul-oob.xrm-ms.rhysida	report.exe
File created	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\images\contrast-white\CriticalBreachDetected.pdf	report.exe
File created	C:\Program Files\VideoLAN\VLC\locale\et\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.rhysida	report.exe
File created	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\CriticalBreachDetected.pdf	report.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Voices\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\fillandsign.svg.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\css\main.css.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSSP7ES.LEX.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\eu-es\ui-strings.js.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\hr-hr\ui-strings.js.rhysida	report.exe
File created	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\Store.Purchase\Controls\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\images\Confirmation2x.png.rhysida	report.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\126.0.2592.87\EBWebView\x86\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ul-oob.xrm-ms.rhysida	report.exe
File created	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-125_8wekyb3d8bbwe\microsoft.system.package.metadata\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-pl.xrm-ms.rhysida	report.exe
File created	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Common.View.UWP\Strings\uk-UA\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\fi-fi\ui-strings.js.rhysida	report.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\hr-hr\CriticalBreachDetected.pdf	report.exe
File created	C:\Program Files\Mozilla Firefox\defaults\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Templates\1033\ApothecaryNewsletter.dotx.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_Subscription-ul-oob.xrm-ms.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-ul-oob.xrm-ms.rhysida	report.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\legal\javafx\jpeg_fx.md.rhysida	report.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\win8-scrollbar\themes\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\large_trefoil.png.rhysida	report.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\pt-br\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\or_IN\LC_MESSAGES\vlc.mo.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-pl.xrm-ms.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\126.0.2592.87\Locales\mt.pak.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\ado\de-DE\msader15.dll.mui.rhysida	report.exe
File created	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\CriticalBreachDetected.pdf	report.exe
File created	C:\Program Files\VideoLAN\VLC\locale\tr\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTest-ppd.xrm-ms.rhysida	report.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-pl.xrm-ms.rhysida	report.exe
File created	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\Images\PlaceCard\contrast-white\CriticalBreachDetected.pdf	report.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\ko-kr\CriticalBreachDetected.pdf	report.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\cs-cz\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files\7-Zip\Lang\eu.txt.rhysida	report.exe
File created	C:\Program Files\dotnet\host\fxr\6.0.27\CriticalBreachDetected.pdf	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\eu-es\ui-strings.js.rhysida	report.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\fr-fr\ui-strings.js.rhysida	report.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\pl-pl\CriticalBreachDetected.pdf	report.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4228	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4604	report.exe
4604	report.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 1908	4604	report.exe	99
PID 4604 wrote to memory of 1908	4604	report.exe	99
PID 1908 wrote to memory of 1904	1908	cmd.exe	101
PID 1908 wrote to memory of 1904	1908	cmd.exe	101
PID 1904 wrote to memory of 4228	1904	cmd.exe	102
PID 1904 wrote to memory of 4228	1904	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\Users\administrator\AppData\Local\Temp\report.exe
"C:\Users\Admin\AppData\Local\Temp\Users\administrator\AppData\Local\Temp\report.exe"
1⤵
- Drops startup file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Windows\system32\cmd.exe
  C:\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\Users\administrator\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\Users\administrator\AppData\Local\Temp\report.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1908
- - C:\Windows\system32\cmd.exe
    cmd.exe /c start ping 127.0.0.1 -n 2
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1904
  - - C:\Windows\system32\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      Runs ping.exe
      PID:4228

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4672,i,6959856223548986108,4217696995639198458,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
1⤵
PID:3388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\7-Zip\Lang\CriticalBreachDetected.pdf

Filesize
111KB

MD5
93dc030fb16eb16f5f15afb6ce42b1fc

SHA1
0ace6ca808c97236dd24470b9b3925416cb55777

SHA256
0ba11fb0caa6a8c7b24c5d8dcfb88b2edee9310265f8e4e2c795ec3389c4b225

SHA512
1266b09415136ca4ef201527e110f938f50802fa2074796728d7ab0e5868cb1a670f2c2846a46c88d138e83080b7ed1f178e479dd0216bf4c84a31c80d5d078b

Download Submit
memory/4604-1721-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-3426-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-3989-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-4256-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-5958-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-7268-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-11275-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-12277-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-13424-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-13425-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-13426-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-13427-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4604-13428-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download