de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d

General
Target

de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe

Filesize

94KB

Completed

20-10-2021 09:24

Score
10/10
MD5

993b73d6490bc5a7e23e02210b317247

SHA1

6fd314af34409e945504e166eb8cd88127c1070e

SHA256

de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d

Malware Config

Extracted

Path C:\odt\A2D63-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .a2d63 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised, rebooting/shutdown will cause you to lose files without the possibility of recovery and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. The only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Contact us: 1.knoocknoo@cock.li 2.eeeooppaaaxxx@tuta.io Don't forget to include your code in the email: {code_1b1ea859_a2d63: V6RDuHNbgGVtcrSKiRSkrbCAyttmSwsQGYnMn/65kF0q6XqaDg /cnVmF7YfLsLd35MG01hBug/9yPfooToj/DygT5yfR6a13Wage G/ThEh+Q3vJA+Hq2FJsKBluPwAp1YKyCMSCZkgoi4lib93nYH6 YcdTLnlXnOhSQGQrbeH9uBfZidXpQ2xYqU9Xr+rRiBvfncbVzG bFhtujPNAyiizLAl+vel3YFnNdEFCCIKLiL1YkvaZ8GfScF5JT GwVO3gVx4soWUVnVrBfj9EwX/AcSkfmCM=}
Emails

knoocknoo@cock.li

eeeooppaaaxxx@tuta.io

Extracted

Path C:\Users\Admin\AppData\Roaming\A2D63-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .a2d63 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised, rebooting/shutdown will cause you to lose files without the possibility of recovery and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. The only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Contact us: 1.knoocknoo@cock.li 2.eeeooppaaaxxx@tuta.io Don't forget to include your code in the email: {code_1b1ea859_a2d63: V6RDuHNbgGVtcrSKiRSkrbCAyttmSwsQGYnMn/65kF0q6XqaDg /cnVmF7YfLsLd35MG01hBug/9yPfooToj/DygT5yfR6a13Wage G/ThEh+Q3vJA+Hq2FJsKBluPwAp1YKyCMSCZkgoi4lib93nYH6 YcdTLnlXnOhSQGQrbeH9uBfZidXpQ2xYqU9Xr+rRiBvfncbVzG bFhtujPNAyiizLAl+vel3YFnNdEFCCIKLiL1YkvaZ8GfScF5JT GwVO3gVx4soWUVnVrBfj9EwX/AcSkfmCM=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .a2d63 -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised, rebooting/shutdown will cause you to lose files without the possibility of recovery and even god will not be able to help you, it could be files on the network belonging to other users, sure you want to take that responsibility? -- Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help. The only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypt program, you may damage them and then they will be impossible to recover. We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned. For us this is just business and to prove to you our seriousness, we will decrypt you some files for free, but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Contact us: 1.knoocknoo@cock.li 2.eeeooppaaaxxx@tuta.io Don't forget to include your code in the email: {code_1b1ea859_a2d63: V6RDuHNbgGVtcrSKiRSkrbCAyttmSwsQGYnMn/65kF0q6XqaDg /cnVmF7YfLsLd35MG01hBug/9yPfooToj/DygT5yfR6a13Wage G/ThEh+Q3vJA+Hq2FJsKBluPwAp1YKyCMSCZkgoi4lib93nYH6 YcdTLnlXnOhSQGQrbeH9uBfZidXpQ2xYqU9Xr+rRiBvfncbVzG bFhtujPNAyiizLAl+vel3YFnNdEFCCIKLiL1YkvaZ8GfScF5JT GwVO3gVx4soWUVnVrBfj9EwX/AcSkfmCM=}
Emails

knoocknoo@cock.li

eeeooppaaaxxx@tuta.io

Signatures 13

Filter: none

Defense Evasion
Impact
Persistence
  • Detected Netwalker Ransomware

    Description

    Detected unpacked Netwalker executable.

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/2264-118-0x0000000000450000-0x000000000046B000-memory.dmpnetwalker_ransomware
    behavioral1/memory/3800-117-0x0000000000540000-0x000000000055B000-memory.dmpnetwalker_ransomware
  • Netwalker Ransomware

    Description

    Ransomware family with multiple versions. Also known as MailTo.

  • Deletes shadow copies

    Description

    Ransomware often targets backup files to inhibit system recovery.

    Tags

    TTPs

    File DeletionInhibit System Recovery
  • Modifies extensions of user files
    explorer.exe

    Description

    Ransomware generally changes the extension on encrypted files.

    Tags

    Reported IOCs

    descriptioniocprocess
    File opened for modificationC:\Users\Admin\Pictures\ReadConnect.tiffexplorer.exe
    File opened for modificationC:\Users\Admin\Pictures\FindSuspend.tiffexplorer.exe
  • Deletes itself
    explorer.exe

    Reported IOCs

    pidprocess
    3800explorer.exe
  • Adds Run key to start application
    explorer.exe

    TTPs

    Registry Run Keys / Startup FolderModify Registry

    Reported IOCs

    descriptioniocprocess
    Set value (str)\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a2d63472 = "C:\\Program Files (x86)\\a2d63472\\a2d63472.exe"explorer.exe
  • Suspicious use of SetThreadContext
    de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 2072 set thread context of 38002072de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe
  • Drops file in Program Files directory
    explorer.exe

    Reported IOCs

    descriptioniocprocess
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.16112.11601.0_x64__8wekyb3d8bbwe\Assets\AppList.targetsize-40.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Home\contrast-white\LargeTile.scale-200.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jre1.8.0_66\lib\security\US_export_policy.jarexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ppd.xrm-msexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\eu-es\ui-strings.jsexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\COPYRIGHTexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\large\gn_60x42.pngexplorer.exe
    File createdC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\en-il\A2D63-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.OneConnect_2.1701.277.0_x64__8wekyb3d8bbwe\Assets\OneConnectAppList.targetsize-48.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\org-netbeans-modules-masterfs-nio2.jarexplorer.exe
    File createdC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\zh-tw\A2D63-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\css\main.cssexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\sk-sk\ui-strings.jsexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\jre\lib\deploy\messages_it.propertiesexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\Attribution\foreca.pngexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-ppd.xrm-msexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\Assets\InsiderHubLargeTile.scale-200_contrast-black.pngexplorer.exe
    File opened for modificationC:\Program Files\VideoLAN\VLC\locale\ca\LC_MESSAGES\vlc.moexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.components.ui.zh_CN_5.5.0.165303.jarexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsSoundRecorder_10.1702.301.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\VoiceRecorderSmallTile.contrast-white_scale-125.pngexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\TEXTCONV\WPFT532.CNVexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsSplashScreen.scale-125.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Livetiles\MicrosoftSolitaireAppList.targetsize-96_altform-unplated.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\MapsAppList.targetsize-32_altform-unplated.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailAppList.targetsize-16_altform-unplated.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\locale\org-netbeans-swing-plaf_zh_CN.jarexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-80.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_16.511.8780.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\PhotosMedTile.contrast-black_scale-125.pngexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\vfs\Fonts\private\GOTHICBI.TTFexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\META-INF\ECLIPSE_.RSAexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.equinox.p2.core.feature_1.3.0.v20140523-0116\META-INF\A2D63-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-msexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.People_10.1.10531.0_x64__8wekyb3d8bbwe\Assets\PeopleSplashScreen.scale-200.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\192.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.14.2002.0_x64__8wekyb3d8bbwe\SegXbox2.ttfexplorer.exe
    File opened for modificationC:\Program Files\VideoLAN\VLC\locale\sr\LC_MESSAGES\vlc.moexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-80.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.People_10.1.10531.0_x64__8wekyb3d8bbwe\Assets\contrast-white\PeopleAppList.targetsize-256.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_16.511.8780.0_neutral_split.scale-125_8wekyb3d8bbwe\Lumia.ViewerPlugin\Assets\IconEditRichCapture.scale-125.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\large\star.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jre1.8.0_66\lib\ext\access-bridge-64.jarexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\css\e4_default_win7.cssexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ppd.xrm-msexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Logos\Square44x44\PaintAppList.scale-400.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\7989_20x20x32.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxA-Google.scale-125.pngexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\js\nls\de-de\ui-strings.jsexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ul-oob.xrm-msexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-100.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.OneConnect_2.1701.277.0_neutral_split.scale-100_8wekyb3d8bbwe\resources.priexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Flags\small\mu_16x11.pngexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\fr-fr\ui-strings.jsexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\org-openide-loaders.jarexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\file_info.pngexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\es-es\ui-strings.jsexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.BingWeather_4.18.56.0_x64__8wekyb3d8bbwe\Assets\AppTiles\WeatherIcons\30x30\166.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Home\MedTile.scale-200.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.Getstarted_4.5.6.0_x64__8wekyb3d8bbwe\Content\desktop\en-GB\doc_offline_getconnected.xmlexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.Windows.Photos_16.511.8780.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.targetsize-64_altform-fullcolor.pngexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_sortedby_up_18.svgexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\tr-tr\ui-strings.jsexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.equinox.p2.rcp.feature_1.2.0.v20140523-0116\META-INF\ECLIPSE_.SFexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_reportabuse-default_18.svgexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\8041_48x48x32.pngexplorer.exe
  • Interacts with shadow copies
    vssadmin.exevssadmin.exe

    Description

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    Tags

    TTPs

    File DeletionInhibit System Recovery

    Reported IOCs

    pidprocess
    1428vssadmin.exe
    9992vssadmin.exe
  • Suspicious behavior: EnumeratesProcesses
    explorer.exeexplorer.exe

    Reported IOCs

    pidprocess
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    3800explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
    2264explorer.exe
  • Suspicious behavior: MapViewOfSection
    de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe

    Reported IOCs

    pidprocess
    2072de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe
    3800explorer.exe
  • Suspicious use of AdjustPrivilegeToken
    explorer.exevssvc.exeexplorer.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege2264explorer.exe
    Token: SeBackupPrivilege972vssvc.exe
    Token: SeRestorePrivilege972vssvc.exe
    Token: SeAuditPrivilege972vssvc.exe
    Token: SeDebugPrivilege3800explorer.exe
    Token: SeImpersonatePrivilege3800explorer.exe
  • Suspicious use of WriteProcessMemory
    de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exeexplorer.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 2072 wrote to memory of 38002072de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe
    PID 2072 wrote to memory of 38002072de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe
    PID 2072 wrote to memory of 38002072de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe
    PID 3800 wrote to memory of 22643800explorer.exeexplorer.exe
    PID 3800 wrote to memory of 22643800explorer.exeexplorer.exe
    PID 3800 wrote to memory of 22643800explorer.exeexplorer.exe
    PID 2264 wrote to memory of 14282264explorer.exevssadmin.exe
    PID 2264 wrote to memory of 14282264explorer.exevssadmin.exe
    PID 3800 wrote to memory of 42203800explorer.exenotepad.exe
    PID 3800 wrote to memory of 42203800explorer.exenotepad.exe
    PID 3800 wrote to memory of 42203800explorer.exenotepad.exe
    PID 3800 wrote to memory of 99923800explorer.exevssadmin.exe
    PID 3800 wrote to memory of 99923800explorer.exevssadmin.exe
Processes 8
  • C:\Users\Admin\AppData\Local\Temp\de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe
    "C:\Users\Admin\AppData\Local\Temp\de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe"
    Suspicious use of SetThreadContext
    Suspicious behavior: MapViewOfSection
    Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\system32\explorer.exe"
      Modifies extensions of user files
      Deletes itself
      Adds Run key to start application
      Drops file in Program Files directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3800
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\system32\explorer.exe"
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        PID:2264
        • C:\Windows\system32\vssadmin.exe
          C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
          Interacts with shadow copies
          PID:1428
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\A2D63-Readme.txt"
        PID:4220
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
        Interacts with shadow copies
        PID:9992
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    Suspicious use of AdjustPrivilegeToken
    PID:972
  • C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\A2D63-Readme.txt
    PID:8888
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Discovery
          Execution
            Exfiltration
              Initial Access
                Lateral Movement
                  Privilege Escalation
                    Replay Monitor
                    00:00 00:00
                    Downloads
                    • C:\Users\Admin\Desktop\A2D63-Readme.txt

                      MD5

                      21023b4f94067b6b71afc6f07554ed12

                      SHA1

                      5717d119f17a52a7a3d5fb6ed515bb9f3f50bf72

                      SHA256

                      7ca20b2cbb8fe9b73a624871212c285263f0a571e7f639d632029bd727ab4a28

                      SHA512

                      0e41dfb43abca29505e7c0b2a729ca6c0d909dc2fd2bba3198248985e794f41920f403e78a361e556c9ad9b6516523966801efaa130bf47258319ed10df55f89

                    • C:\Users\Admin\Desktop\A2D63-Readme.txt

                      MD5

                      21023b4f94067b6b71afc6f07554ed12

                      SHA1

                      5717d119f17a52a7a3d5fb6ed515bb9f3f50bf72

                      SHA256

                      7ca20b2cbb8fe9b73a624871212c285263f0a571e7f639d632029bd727ab4a28

                      SHA512

                      0e41dfb43abca29505e7c0b2a729ca6c0d909dc2fd2bba3198248985e794f41920f403e78a361e556c9ad9b6516523966801efaa130bf47258319ed10df55f89

                    • memory/1428-119-0x0000000000000000-mapping.dmp

                    • memory/2264-116-0x0000000000000000-mapping.dmp

                    • memory/2264-118-0x0000000000450000-0x000000000046B000-memory.dmp

                    • memory/3800-115-0x0000000000000000-mapping.dmp

                    • memory/3800-117-0x0000000000540000-0x000000000055B000-memory.dmp

                    • memory/4220-121-0x0000000000000000-mapping.dmp

                    • memory/9992-122-0x0000000000000000-mapping.dmp