IRSdeclaration‮cod.exe

General
Target

IRSdeclaration‮cod.exe

Filesize

282KB

Completed

15-10-2020 14:02

Score
10/10
MD5

fe3fd53ddc7c229b1150d970a05947c0

SHA1

3abeddbbbd29310290955cc7c1a895550c92ab96

SHA256

c414bbb789af8e3fb93b33344b31f1991582ec0f06558b29a3178d2b02465c72

Malware Config

Extracted

Path C:\ProgramData\Package Cache\{f4220b74-9edd-4ded-bc8b-0342c1e164d8}\FD6F5D-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .fd6f5d -- 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. -- Our encryption algorithms are very strong and your files are very well protected, 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 decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_fd6f5d: l/Fk05gcV+GUCD0bIg74onLdc73bTB+ghYzoOM0ZflBrMzLu5v kpJgWgMRHgrxJjbeMMAeLd5IOLqdZsGGy8UhMYDlQFiNVv41Zj AnXAqEjZ8Oh8YjoNP8jnZUX15sWv5bzR1agHdKgTgy2ewzcErN bj3a1GUySmish9GBUpQrFNit8yElCXlv3BAf1Gl/qP4hIzZByi IXxk+WIarjMQXdGJEoolV2MtDSCl4e2QD68L7o74z05Z6qD4Gu +MUXV+mvfVfOpwNM3QsgkN/hJ2SvaatSnhQVteXA==}
URLs

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path C:\Program Files\Microsoft Office\MEDIA\OFFICE14\LINES\FD6F5D-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .fd6f5d -- 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. -- Our encryption algorithms are very strong and your files are very well protected, 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 decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_fd6f5d: l/Fk05gcV+GUCD0bIg74onLdc73bTB+ghYzoOM0ZflBrMzLu5v kpJgWgMRHgrxJjbeMMAeLd5IOLqdZsGGy8UhMYDlQFiNVv41Zj AnXAqEjZ8Oh8YjoNP8jnZUX15sWv5bzR1agHdKgTgy2ewzcErN bj3a1GUySmish9GBUpQrFNit8yElCXlv3BAf1Gl/qP4hIzZByi IXxk+WIarjMQXdGJEoolV2MtDSCl4e2QD68L7o74z05Z6qD4Gu +MUXV+mvfVfOpwNM3QsgkN/hJ2SvaatSnhQVteXA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .fd6f5d -- 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. -- Our encryption algorithms are very strong and your files are very well protected, 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 decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_fd6f5d: l/Fk05gcV+GUCD0bIg74onLdc73bTB+ghYzoOM0ZflBrMzLu5v kpJgWgMRHgrxJjbeMMAeLd5IOLqdZsGGy8UhMYDlQFiNVv41Zj AnXAqEjZ8Oh8YjoNP8jnZUX15sWv5bzR1agHdKgTgy2ewzcErN bj3a1GUySmish9GBUpQrFNit8yElCXlv3BAf1Gl/qP4hIzZByi IXxk+WIarjMQXdGJEoolV2MtDSCl4e2QD68L7o74z05Z6qD4Gu +MUXV+mvfVfOpwNM3QsgkN/hJ2SvaatSnhQVteXA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .fd6f5d -- 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. -- Our encryption algorithms are very strong and your files are very well protected, 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 decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_fd6f5d: l/Fk05gcV+GUCD0bIg74onLdc73bTB+ghYzoOM0ZflBrMzLu5v kpJgWgMRHgrxJjbeMMAeLd5IOLqdZsGGy8UhMYDlQFiNVv41Zj AnXAqEjZ8Oh8YjoNP8jnZUX15sWv5bzR1agHdKgTgy2ewzcErN bj3a1GUySmish9GBUpQrFNit8yElCXlv3BAf1Gl/qP4hIzZByi IXxk+WIarjMQXdGJEoolV2MtDSCl4e2QD68L7o74z05Z6qD4Gu +MUXV+mvfVfOpwNM3QsgkN/hJ2SvaatSnhQVteXA==}
URLs

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path C:\Program Files\Microsoft Office\MEDIA\CAGCAT10\FD6F5D-Readme.txt
Family netwalker
Ransom Note
Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .fd6f5d -- 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. -- Our encryption algorithms are very strong and your files are very well protected, 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 decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_fd6f5d: l/Fk05gcV+GUCD0bIg74onLdc73bTB+ghYzoOM0ZflBrMzLu5v kpJgWgMRHgrxJjbeMMAeLd5IOLqdZsGGy8UhMYDlQFiNVv41Zj AnXAqEjZ8Oh8YjoNP8jnZUX15sWv5bzR1agHdKgTgy2ewzcErN bj3a1GUySmish9GBUpQrFNit8yElCXlv3BAf1Gl/qP4hIzZByi IXxk+WIarjMQXdGJEoolV2MtDSCl4e2QD68L7o74z05Z6qD4Gu +MUXV+mvfVfOpwNM3QsgkN/hJ2SvaatSnhQVteXA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .fd6f5d -- 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. -- Our encryption algorithms are very strong and your files are very well protected, 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 decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_fd6f5d: l/Fk05gcV+GUCD0bIg74onLdc73bTB+ghYzoOM0ZflBrMzLu5v kpJgWgMRHgrxJjbeMMAeLd5IOLqdZsGGy8UhMYDlQFiNVv41Zj AnXAqEjZ8Oh8YjoNP8jnZUX15sWv5bzR1agHdKgTgy2ewzcErN bj3a1GUySmish9GBUpQrFNit8yElCXlv3BAf1Gl/qP4hIzZByi IXxk+WIarjMQXdGJEoolV2MtDSCl4e2QD68L7o74z05Z6qD4Gu +MUXV+mvfVfOpwNM3QsgkN/hJ2SvaatSnhQVteXA==}
URLs

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures 12

Filter: none

Collection
Credential Access
Defense Evasion
Impact
Persistence
  • 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
    IRSdeclaration‮cod.exe

    Description

    Ransomware generally changes the extension on encrypted files.

    Tags

    Reported IOCs

    descriptioniocprocess
    File renamedC:\Users\Admin\Pictures\ResetRepair.raw => C:\Users\Admin\Pictures\ResetRepair.raw.fd6f5dIRSdeclaration‮cod.exe
    File renamedC:\Users\Admin\Pictures\PublishUnblock.crw => C:\Users\Admin\Pictures\PublishUnblock.crw.fd6f5dIRSdeclaration‮cod.exe
    File renamedC:\Users\Admin\Pictures\DisableExpand.tiff => C:\Users\Admin\Pictures\DisableExpand.tiff.fd6f5dIRSdeclaration‮cod.exe
    File renamedC:\Users\Admin\Pictures\LimitInvoke.tif => C:\Users\Admin\Pictures\LimitInvoke.tif.fd6f5dIRSdeclaration‮cod.exe
    File opened for modificationC:\Users\Admin\Pictures\DisableExpand.tiffIRSdeclaration‮cod.exe
    File opened for modificationC:\Users\Admin\Pictures\StopGroup.tiffIRSdeclaration‮cod.exe
    File renamedC:\Users\Admin\Pictures\EnterStop.raw => C:\Users\Admin\Pictures\EnterStop.raw.fd6f5dIRSdeclaration‮cod.exe
    File renamedC:\Users\Admin\Pictures\WatchEnter.raw => C:\Users\Admin\Pictures\WatchEnter.raw.fd6f5dIRSdeclaration‮cod.exe
    File renamedC:\Users\Admin\Pictures\StopGroup.tiff => C:\Users\Admin\Pictures\StopGroup.tiff.fd6f5dIRSdeclaration‮cod.exe
    File opened for modificationC:\Users\Admin\Pictures\HidePing.tiffIRSdeclaration‮cod.exe
    File renamedC:\Users\Admin\Pictures\HidePing.tiff => C:\Users\Admin\Pictures\HidePing.tiff.fd6f5dIRSdeclaration‮cod.exe
    File renamedC:\Users\Admin\Pictures\EditRepair.png => C:\Users\Admin\Pictures\EditRepair.png.fd6f5dIRSdeclaration‮cod.exe
  • Deletes itself
    cmd.exe

    Reported IOCs

    pidprocess
    4152cmd.exe
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    Tags

    TTPs

    Data from Local SystemCredentials in Files
  • Modifies service
    vssvc.exe

    TTPs

    Modify RegistryModify Existing Service

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Registry Writervssvc.exe
    Key created\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\SwProvider_{b5946137-7b9f-4925-af80-51abd60b20d5}vssvc.exe
    Key created\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\COM+ REGDB Writervssvc.exe
    Key created\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\ASR Writervssvc.exe
    Key created\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VSS\Diag\Shadow Copy Optimization Writervssvc.exe
  • Drops file in Program Files directory
    IRSdeclaration‮cod.exe

    Reported IOCs

    descriptioniocprocess
    File opened for modificationC:\Program Files\VideoLAN\VLC\locale\mai\LC_MESSAGES\vlc.moIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\DD01629_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\HH02312_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0107708.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0107288.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18252_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\VideoLAN\VLC\locale\pt_PT\LC_MESSAGES\vlc.moIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-progress_zh_CN.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\GreenTea.cssIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\NA00512_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\BORDERS\MSART10.BDRIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\7-Zip\Lang\sr-spc.txtIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-actions_ja.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0099202.GIFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jre7\lib\images\cursors\win32_MoveNoDrop32x32.gifIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.nl_zh_4.4.0.v20140623020002.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsStyles\Lime\TAB_ON.GIFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files (x86)\Google\Chrome\Application\84.0.4147.89\VisualElements\SmallLogo.pngIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\TN01165_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.help_2.0.102.v20141007-2301\feature.propertiesIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\rtf_decreaseindent.gifIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\DD01152_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\Groove\ToolBMPs\spacebackupiconsmask.bmpIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-jmx.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\EfateIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jre7\lib\zi\Pacific\ApiaIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\NA01141_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\DD00117_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0107744.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.ui_5.5.0.165303.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.reconciler.dropins.nl_zh_4.4.0.v20140623020002.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\PUBWIZ\DGZIP.DPVIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\asl-v20.txtIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\schema\com.jrockit.mc.rjmx.service.exsdIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\SPACE_01.MIDIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\NA02426_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\VideoLAN\VLC\lua\http\css\ui-lightness\images\ui-icons_ef8c08_256x240.pngIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-lib-uihandler_ja.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.COM.MY.XMLIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR15F.GIFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\WB01242_.GIFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jre7\lib\zi\Africa\NdjamenaIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0285782.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Document Themes 14\Theme Fonts\Clarity.xmlIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Templates\1033\OriginMergeFax.DotxIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\PitcairnIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\Oasis\TAB_ON.GIFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\PUBWIZ\PULLQUOTEBB.POCIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18217_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.views_3.7.0.v20140408-0703.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\ACCWIZ\ACWZMAIN.ACCDEIRSdeclaration‮cod.exe
    File createdC:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\FD6F5D-Readme.txtIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\TunisIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\MEDIA\OFFICE14\LINES\BD21323_.GIFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\VideoLAN\VLC\lua\playlist\anevia_xml.luacIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\Office14\1033\PUBFTSCM\SCHEME05.CSSIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18242_.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\JohannesburgIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-6IRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0105638.WMFIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\VideoLAN\VLC\locale\sl\LC_MESSAGES\vlc.moIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-heapdump.jarIRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+9IRSdeclaration‮cod.exe
    File opened for modificationC:\Program Files\Microsoft Office\CLIPART\PUB60COR\J0107742.WMFIRSdeclaration‮cod.exe
  • Interacts with shadow copies
    vssadmin.exe

    Description

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

    Tags

    TTPs

    File DeletionInhibit System Recovery

    Reported IOCs

    pidprocess
    1540vssadmin.exe
  • Kills process with taskkill
    taskkill.exe

    Tags

    Reported IOCs

    pidprocess
    4324taskkill.exe
  • Suspicious behavior: EnumeratesProcesses
    IRSdeclaration‮cod.exe

    Reported IOCs

    pidprocess
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
    1332IRSdeclaration‮cod.exe
  • Suspicious use of AdjustPrivilegeToken
    IRSdeclaration‮cod.exevssvc.exetaskkill.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeDebugPrivilege1332IRSdeclaration‮cod.exe
    Token: SeImpersonatePrivilege1332IRSdeclaration‮cod.exe
    Token: SeBackupPrivilege452vssvc.exe
    Token: SeRestorePrivilege452vssvc.exe
    Token: SeAuditPrivilege452vssvc.exe
    Token: SeDebugPrivilege4324taskkill.exe
  • Suspicious use of WriteProcessMemory
    IRSdeclaration‮cod.execmd.exe

    Reported IOCs

    descriptionpidprocesstarget process
    PID 1332 wrote to memory of 15401332IRSdeclaration‮cod.exevssadmin.exe
    PID 1332 wrote to memory of 15401332IRSdeclaration‮cod.exevssadmin.exe
    PID 1332 wrote to memory of 15401332IRSdeclaration‮cod.exevssadmin.exe
    PID 1332 wrote to memory of 15401332IRSdeclaration‮cod.exevssadmin.exe
    PID 1332 wrote to memory of 60481332IRSdeclaration‮cod.exenotepad.exe
    PID 1332 wrote to memory of 60481332IRSdeclaration‮cod.exenotepad.exe
    PID 1332 wrote to memory of 60481332IRSdeclaration‮cod.exenotepad.exe
    PID 1332 wrote to memory of 60481332IRSdeclaration‮cod.exenotepad.exe
    PID 1332 wrote to memory of 41521332IRSdeclaration‮cod.execmd.exe
    PID 1332 wrote to memory of 41521332IRSdeclaration‮cod.execmd.exe
    PID 1332 wrote to memory of 41521332IRSdeclaration‮cod.execmd.exe
    PID 1332 wrote to memory of 41521332IRSdeclaration‮cod.execmd.exe
    PID 4152 wrote to memory of 43244152cmd.exetaskkill.exe
    PID 4152 wrote to memory of 43244152cmd.exetaskkill.exe
    PID 4152 wrote to memory of 43244152cmd.exetaskkill.exe
    PID 4152 wrote to memory of 43244152cmd.exetaskkill.exe
Processes 6
  • C:\Users\Admin\AppData\Local\Temp\IRSdeclaration‮cod.exe
    "C:\Users\Admin\AppData\Local\Temp\IRSdeclaration‮cod.exe"
    Modifies extensions of user files
    Drops file in Program Files directory
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Windows\system32\vssadmin.exe
      C:\Windows\system32\vssadmin.exe delete shadows /all /quiet
      Interacts with shadow copies
      PID:1540
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\FD6F5D-Readme.txt"
      PID:6048
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c "C:\Users\Admin\AppData\Local\Temp\DF57.tmp.bat"
      Deletes itself
      Suspicious use of WriteProcessMemory
      PID:4152
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /PID 1332
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        PID:4324
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    Modifies service
    Suspicious use of AdjustPrivilegeToken
    PID:452
Network
MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Discovery
      Execution
        Exfiltration
          Initial Access
            Lateral Movement
              Privilege Escalation
                Replay Monitor
                00:00 00:00
                Downloads
                • C:\Users\Admin\AppData\Local\Temp\DF57.tmp.bat

                  MD5

                  b4cdc3fe80e2be5da61eaf31badfec28

                  SHA1

                  549722144b82a36ef8459b02fbf139101c7e6722

                  SHA256

                  62b3565461719040a093eee2ee67db8c1b8eab4f12b5c49e46e2319d7ff92708

                  SHA512

                  5de9259c8b74a108441c66f4ad78610c082d1d867e9a5ca0756f96f248d5a818db8086fe0451751c83ec32c9d7964e5e9339329121a1e77a14a5237ea7b4442c

                • C:\Users\Admin\Desktop\FD6F5D-Readme.txt

                  MD5

                  de355bdbab95d82574264b24e411f5c4

                  SHA1

                  d188760a8ff286b38a64113286332a019ffe4fa9

                  SHA256

                  07c261db4a4b45aafd9ebaa1972f46b77ecbff066dd91fac2204bb391b5cd10a

                  SHA512

                  624130d813070340c8e011b2e83cf3f4eb29d62a5167ad0d23bb7a047feb20e3d021aa17cee1fd1c417f3a308c3f62d07e05387b45eeb2678fbab15b5de98867

                • memory/1540-0-0x0000000000000000-mapping.dmp

                • memory/4152-2-0x0000000000000000-mapping.dmp

                • memory/4324-4-0x0000000000000000-mapping.dmp

                • memory/6048-1-0x0000000000000000-mapping.dmp