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Analysis
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max time kernel
120s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22/08/2024, 07:12
Behavioral task
behavioral1
Sample
33a4b281d8606e4724f75a4178c8ba30N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
33a4b281d8606e4724f75a4178c8ba30N.exe
Resource
win10v2004-20240802-en
General
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Target
33a4b281d8606e4724f75a4178c8ba30N.exe
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Size
108KB
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MD5
33a4b281d8606e4724f75a4178c8ba30
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SHA1
ba18d71540c3480dded99b22c59e9285b6498d8d
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SHA256
38cfb585512705551275cef8e8d0b1eb25b270c9e2ea721d357187799209c54b
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SHA512
a7469409546752b3ce29cee0cb054055d8d3fbd7a3e8250036861b8d9c58146e719a53b253e46433c2459cff3cd319f81462524264ec08278a359b4aa404c81a
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SSDEEP
1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZf2XcqvcYdnS:fnyiQSo7Zf2XLnS
Malware Config
Signatures
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Renames multiple (4378) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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resource yara_rule behavioral2/memory/1828-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000900000002348b-2.dat upx behavioral2/files/0x0014000000022936-6.dat upx behavioral2/memory/1828-852-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ul-oob.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicelegant.dotx.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationUI.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jre-1.8\lib\security\policy\limited\local_policy.jar.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jre-1.8\bin\ktab.exe.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Json.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ul-oob.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\7-Zip\Lang\eu.txt.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Primitives.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jawt.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\CT_ROOTS.XML.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemDrawing.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Classic.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationClientSideProviders.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ul-oob.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\7-Zip\Lang\de.txt.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Common Files\microsoft shared\ink\cs-CZ\tipresx.dll.mui.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\ReachFramework.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jre-1.8\bin\management.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-pl.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lv-lv.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PPINTL.DLL.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Grunge Texture.eftx.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ul-oob.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Input.Manipulations.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\nashorn.jar.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-pl.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\ReachFramework.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationClient.resources.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\calendars.properties.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-pl.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ppd.xrm-ms.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\7-Zip\Lang\en.ttt.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\InputPersonalization.exe.mui.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\WindowsBase.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jre-1.8\lib\cmm\LINEAR_RGB.pf.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-string-l1-1-0.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp 33a4b281d8606e4724f75a4178c8ba30N.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 33a4b281d8606e4724f75a4178c8ba30N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
109KB
MD505cc046803c5144e9916db948699de66
SHA1d395bff79d4d677051eeb82b0a43d4c8546c9b83
SHA256b0313d2f63d77f4c0176c87e5f0a4897f3874d9ac8db921d485f3244520603c0
SHA5127bc6ae57750adc247631ee214cf7fca2e85158578a716329d797fa57de7eb242506f07b0b94f4904c4300383e58bc57282439447d943c895c0238bdd2e10ef7e
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Filesize
207KB
MD58dc67f0dc9311549440cfea8c3d4cc60
SHA1a7471dbf04a21c0004d9289100f3b74324d7af1b
SHA25648bb0bc9701b5aa5a623f72d369c1753011e1de8a0e1e66d439bd51522e1cebc
SHA512ed41cbdfcad227ffb234c511c9b382b809a5ec1b9272be10cfc80eb523c257b178b96dfb94cbf905fa3b8e0408f5a62d37d2c2f2337e695c3a247ce6f6361f7c