de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d

General
Target

de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe

Filesize

94KB

Completed

31-08-2021 11:44

Score
10/10
MD5

993b73d6490bc5a7e23e02210b317247

SHA1

6fd314af34409e945504e166eb8cd88127c1070e

SHA256

de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d

Malware Config

Extracted

Path C:\91933-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}
Emails

knoocknoo@cock.li

eeeooppaaaxxx@tuta.io

Extracted

Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\win\91933-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}
Emails

knoocknoo@cock.li

eeeooppaaaxxx@tuta.io

Extracted

Path C:\Program Files\Microsoft Office\root\rsod\91933-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}
Emails

knoocknoo@cock.li

eeeooppaaaxxx@tuta.io

Extracted

Path C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\profiler\modules\91933-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}Hi! Your files are encrypted. All encrypted files for this computer has extension: .91933 -- 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_91933: Pz2ZZXUyoTUeg/J8b71pg3AKsNwiU9VFbPkNkDEuMkE58J6vtF T3TsRulnExS/iKXURVNNlN6xRyAyGZWu7GKwmpdTxbTHN5Wage GxPTaxPJJBhQUrkxBjgzAyLzK5xlmXfNZN/k8C0IWOlve99uXu N68JZRhUeIYi6tL1gmHoyJEw7OPB0V/GgNZyv6uzzOzcxoYSN4 T1X44j8zoM0X8kPA9Sk9rXBxm5knFccPgxNTrpSyjuJ+t3OUhK DbgwkRWSGRtJHKj2WAwCxv0R69YQ4KFwQ=}
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
    behavioral2/memory/2212-117-0x00000000026E0000-0x00000000026FB000-memory.dmpnetwalker_ransomware
    behavioral2/memory/3504-118-0x0000000002E80000-0x0000000002E9B000-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\UseLimit.tiffexplorer.exe
    File opened for modificationC:\Users\Admin\Pictures\ImportUninstall.tiffexplorer.exe
  • Deletes itself
    explorer.exe

    Reported IOCs

    pidprocess
    2212explorer.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\919330a4 = "C:\\Program Files (x86)\\919330a4\\919330a4.exe"explorer.exe
  • Suspicious use of SetThreadContext
    de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 504 set thread context of 2212504de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe
  • Drops file in Program Files directory
    explorer.exe

    Reported IOCs

    descriptioniocprocess
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsStore_11701.1001.87.0_x64__8wekyb3d8bbwe\WinStore.winmdexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-black\OutlookMailBadge.scale-150.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_ja_4.4.0.v20140623020002\about.htmlexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\images\themeless\Appstore\Download_on_the_App_Store_Badge_cs_135x40.svgexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\themes\dark\faf_icons.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\LiveTiles\Traffic.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\gifs\feedback.gifexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\contrast-black\AppPackageBadgeLogo.scale-125_contrast-black.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jre1.8.0_66\lib\fonts\LucidaBrightRegular.ttfexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_ellipses-hover.svgexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\themes\dark\core_icons_fw.pngexplorer.exe
    File createdC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\send-for-sign\js\nls\91933-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\locale\org-netbeans-modules-autoupdate-ui_zh_CN.jarexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Office16\ExcelFloatieTextModel.binexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ppd.xrm-msexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_17.8010.5926.0_x64__8wekyb3d8bbwe\officeimm.odfexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-white\MapsAppList.targetsize-32_altform-unplated_contrast-white.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Work\contrast-black\WideTile.scale-200.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\OneNotePageWideTile.scale-100.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\schema\com.jrockit.mc.rjmx.actionProvider.exsdexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.15.2003.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\GamesXboxHubSmallTile.scale-100.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\6454_48x48x32.pngexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\check_2x.pngexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-oob.xrm-msexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Place\LTR\MedTile.scale-100.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-jvm.jarexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Office16\PROOF\MSSP7ES.LEXexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-files\css\main.cssexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\locale\org-netbeans-core-windows_ja.jarexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Icons\spider_menu_icon.pngexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\THEMES16\DEEPBLUE\DEEPBLUE.INFexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\da-dk\ui-strings.jsexplorer.exe
    File createdC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\zh-cn\91933-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\TXP_HotelReservation.pngexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\locale\91933-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\win8-scrollbar\themes\dark\arrow-up.gifexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\EmbossBitmaps\8-Point Star_icon.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Awards\challenge\Go-for_the_Gold_.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Work\RTL\contrast-black\LargeTile.scale-100.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\OutlookIconFirstRunMail.pngexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-phn.xrm-msexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\rsod\powerpivot.x-none.msi.16.x-none.boot.tree.datexplorer.exe
    File opened for modificationC:\Program Files\VideoLAN\VLC\locale\ne\LC_MESSAGES\vlc.moexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL107.XMLexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\org.eclipse.e4.ui.model.workbench.nl_ja_4.4.0.v20140623020002.jarexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Fues\Upsell_Image.jpgexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailSplashLogo.scale-100.pngexplorer.exe
    File opened for modificationC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\plugin.jsexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Office16\ExcelInterProviderRanker.binexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glossy.eftxexplorer.exe
    File createdC:\Program Files\Google\Chrome\Application\91933-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_x64__8wekyb3d8bbwe\TEE\en-US.Calendar.otexplorer.exe
    File opened for modificationC:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-heapdump_ja.jarexplorer.exe
    File createdC:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\images\91933-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Arkadium.Win10.StarClub\Assets\Animation\coins out burst_00018.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\RTL\SmallTile.scale-100.pngexplorer.exe
    File createdC:\Program Files\Microsoft Office\root\vfs\Common AppData\Microsoft Help\91933-Readme.txtexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\5613_40x40x32.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Logos\Square44x44\PaintAppList.targetsize-256.pngexplorer.exe
    File opened for modificationC:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-phn.xrm-msexplorer.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\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Designs\Emoticons\large\no.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\SkypeApp\Assets\Images\moji_mask.contrast-standard.pngexplorer.exe
    File opened for modificationC:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\LTR\SmallTile.scale-125.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
    752vssadmin.exe
    5920vssadmin.exe
  • Suspicious behavior: EnumeratesProcesses
    explorer.exeexplorer.exe

    Reported IOCs

    pidprocess
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    2212explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
    3504explorer.exe
  • Suspicious behavior: MapViewOfSection
    de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe

    Reported IOCs

    pidprocess
    504de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe
    2212explorer.exe
  • Suspicious use of AdjustPrivilegeToken
    explorer.exevssvc.exeexplorer.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege3504explorer.exe
    Token: SeBackupPrivilege196vssvc.exe
    Token: SeRestorePrivilege196vssvc.exe
    Token: SeAuditPrivilege196vssvc.exe
    Token: SeDebugPrivilege2212explorer.exe
    Token: SeImpersonatePrivilege2212explorer.exe
  • Suspicious use of WriteProcessMemory
    de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exeexplorer.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 504 wrote to memory of 2212504de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe
    PID 504 wrote to memory of 2212504de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe
    PID 504 wrote to memory of 2212504de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exeexplorer.exe
    PID 2212 wrote to memory of 35042212explorer.exeexplorer.exe
    PID 2212 wrote to memory of 35042212explorer.exeexplorer.exe
    PID 2212 wrote to memory of 35042212explorer.exeexplorer.exe
    PID 3504 wrote to memory of 7523504explorer.exevssadmin.exe
    PID 3504 wrote to memory of 7523504explorer.exevssadmin.exe
    PID 2212 wrote to memory of 80682212explorer.exenotepad.exe
    PID 2212 wrote to memory of 80682212explorer.exenotepad.exe
    PID 2212 wrote to memory of 80682212explorer.exenotepad.exe
    PID 2212 wrote to memory of 59202212explorer.exevssadmin.exe
    PID 2212 wrote to memory of 59202212explorer.exevssadmin.exe
Processes 7
  • 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:504
    • 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:2212
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\system32\explorer.exe"
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        PID:3504
        • C:\Windows\system32\vssadmin.exe
          C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
          Interacts with shadow copies
          PID:752
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\91933-Readme.txt"
        PID:8068
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
        Interacts with shadow copies
        PID:5920
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    Suspicious use of AdjustPrivilegeToken
    PID:196
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\91933-Readme.txt

                      MD5

                      03b3a4a096046c050f95d46aca5a8d43

                      SHA1

                      aefe7f58203544e9a6e7a3bae6a4e909a5b82269

                      SHA256

                      9d80a6ad10cdbdfda4e5bbc84ca9441c8cad696d8c9b66b23ae763d91d70fdfa

                      SHA512

                      fe0ea31f492000778879eaa88822a0429373f29f1228048e4d1c2ea44ba0161a3e8cb9c2af26847ad5d3c688df8ac9ace914cd206ff8a4b58a2403b8bc6f2605

                    • memory/752-116-0x0000000000000000-mapping.dmp

                    • memory/2212-114-0x0000000000000000-mapping.dmp

                    • memory/2212-117-0x00000000026E0000-0x00000000026FB000-memory.dmp

                    • memory/3504-118-0x0000000002E80000-0x0000000002E9B000-memory.dmp

                    • memory/3504-115-0x0000000000000000-mapping.dmp

                    • memory/5920-120-0x0000000000000000-mapping.dmp

                    • memory/8068-119-0x0000000000000000-mapping.dmp