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Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
05/02/2023, 19:39
Static task
static1
Behavioral task
behavioral1
Sample
f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe
Resource
win10v2004-20221111-en
General
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Target
f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe
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Size
859KB
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MD5
30927f9bc15d99900d377747494f5c60
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SHA1
b34c12bafd26ae92d8217eb16a5a846c5ced92e2
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SHA256
f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53
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SHA512
e8e59cacb3c24e4f8876d618bb9510d8a6c6b5a98201f79d367a6874804849c7cee403519e776f004f4bd69ed7ba680de9253ff70a0f8d48ecc52a29a65fa5a1
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SSDEEP
12288:l0v5NBjYIR0yhfVf/Wc7OhgkYa5EpaHe7yCfxnR1P4GfcM53ICDQhlquDXXCM:l0rBjVOc7OUaGv7yazgqDCIElqK
Malware Config
Extracted
C:\instructions_read_me.txt
https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion/
Signatures
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Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Modifies extensions of user files 3 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File renamed C:\Users\Admin\Pictures\SetOpen.raw => C:\Users\Admin\Pictures\SetOpen.raw.2cp5g8lpk f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File renamed C:\Users\Admin\Pictures\AddSearch.raw => C:\Users\Admin\Pictures\AddSearch.raw.2cp5g8lpk f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File renamed C:\Users\Admin\Pictures\MountRevoke.tif => C:\Users\Admin\Pictures\MountRevoke.tif.2cp5g8lpk f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-time-l1-1-0.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\resources.pri f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Grace-ppd.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.cfg f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\avdevice-58_ms.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\fxplugins.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\VideoLAN\VLC\README.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Microsoft.BigPark.UI.Common.winmd f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxManifest.xml f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-file-l2-1-0.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GKExcel.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_2019.125.2243.0_neutral_~_8wekyb3d8bbwe\AppxSignature.p7x f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Advertising.Xaml_10.1808.3.0_x64__8wekyb3d8bbwe\AppxSignature.p7x f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ppd.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-phn.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-convert-l1-1-0.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\policytool.exe f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\JavaAccessBridge-64.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OCSCLIENTWIN32.DLL f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Windows Defender\es-ES\OfflineScannerShell.exe.mui f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File created C:\Program Files\Windows Media Player\it-IT\instructions_read_me.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-pl.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-pl.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File created C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\instructions_read_me.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxSignature.p7x f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File created C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\instructions_read_me.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ppd.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\System.Runtime.Numerics.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-phn.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\StoreRatingPromotion.winmd f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_neutral_split.scale-100_8wekyb3d8bbwe\AppxSignature.p7x f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Java\jdk1.8.0_66\bin\jli.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\System.Xml.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File created C:\Program Files\WindowsApps\Microsoft.UI.Xaml.2.0_2.1810.18004.0_x64__8wekyb3d8bbwe\instructions_read_me.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_neutral_split.scale-125_8wekyb3d8bbwe\AppxManifest.xml f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\System.Diagnostics.Tools.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files (x86)\Windows Media Player\de-DE\setup_wm.exe.mui f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Java\jre1.8.0_66\bin\jsoundds.dll f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ppd.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ppd.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File created C:\Program Files\Windows Media Player\Skins\instructions_read_me.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\MediaInkCanvas.xbf f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File created C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-125_8wekyb3d8bbwe\instructions_read_me.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_neutral_~_8wekyb3d8bbwe\AppxSignature.p7x f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Mira.Services.UWP.OopBackgroundTask.winmd f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.Preview.winmd f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ppd.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-ul-oob.xrm-ms f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe -
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2172 vssadmin.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.2cp5g8lpk\DefaultIcon f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.2cp5g8lpk f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.2cp5g8lpk\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico" f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 640 vssvc.exe Token: SeRestorePrivilege 640 vssvc.exe Token: SeAuditPrivilege 640 vssvc.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 3368 wrote to memory of 2504 3368 f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe 82 PID 3368 wrote to memory of 2504 3368 f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe 82 PID 3368 wrote to memory of 2504 3368 f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe 82 PID 2504 wrote to memory of 2172 2504 cmd.exe 84 PID 2504 wrote to memory of 2172 2504 cmd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe"C:\Users\Admin\AppData\Local\Temp\f4f471241714fbf24a103f8a7fce00fecdf795dbf6edbc6420e34834cb93eb53.exe"1⤵
- Modifies extensions of user files
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet2⤵
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\system32\vssadmin.exeC:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2172
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:640