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Analysis
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max time kernel
120s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/08/2024, 14:13
Behavioral task
behavioral1
Sample
afb66c57f2928fe95834643eeea6b990N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
afb66c57f2928fe95834643eeea6b990N.exe
Resource
win10v2004-20240802-en
General
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Target
afb66c57f2928fe95834643eeea6b990N.exe
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Size
76KB
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MD5
afb66c57f2928fe95834643eeea6b990
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SHA1
5b21c6068e86eed25b04543b030461a2b667159b
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SHA256
fc2008fae59cac9219602d17c77518906d5f8dcfdc65f3ededbf7e746a2bfa1c
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SHA512
b1e9528234c4aa07af1e2c4f720d929b6876c192d755a413809ceee9fa7e80f07db080371710440b1e2df7bc93bd7bb122053042c666a71b4204d3e1dcce947e
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rt:V7Zf/FAxTW/ySSh9j+9jpGnfO
Malware Config
Signatures
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Renames multiple (4521) 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/1588-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0008000000023495-2.dat upx behavioral2/files/0x0014000000022913-6.dat upx behavioral2/memory/1588-868-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Resources.Extensions.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHMAIN.DLL.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-pl.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceProcess.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Xaml.resources.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sk.pak.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jdk-1.8\legal\javafx\gstreamer.md.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\lib\security\public_suffix_list.dat.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-string-l1-1-0.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Office16\McePerfCtr.man.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsBase.resources.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-util-l1-1-0.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\sound.properties.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Windows.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\7-Zip\Lang\fa.txt.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Debug.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.Editors.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\bin\decora_sse.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-ppd.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ppd.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 7.0.16 (x64).swidtag.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ul-oob.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-utility-l1-1-0.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Common Files\System\ado\msado20.tlb.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Xaml.resources.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-ul-oob.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ppd.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\bin\klist.exe.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\bin\ktab.exe.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ul-oob.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ExcelNaiveBayesCommandRanker.txt.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\7-Zip\Lang\da.txt.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationUI.resources.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\DirectWriteForwarder.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ppd.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Xaml.resources.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\bin\eula.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-pl.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-phn.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\7-Zip\Lang\az.txt.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationTypes.resources.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\WindowsFormsIntegration.resources.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ppd.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Java\jre-1.8\lib\deploy\ffjcext.zip.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-002C-0409-1000-0000000FF1CE.xml.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ppd.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ppd.xrm-ms.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.NonGeneric.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.DataSetExtensions.dll.tmp afb66c57f2928fe95834643eeea6b990N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClient.resources.dll.tmp afb66c57f2928fe95834643eeea6b990N.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 afb66c57f2928fe95834643eeea6b990N.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
76KB
MD599875f90c2b25424fbf3af887478afdd
SHA1007cee56e23d4744f2bdf02076621f0248d2fe3d
SHA256720bb226b551844428cc005d54795f01c732fde42a34fb97dfb915fef6015de6
SHA512cac8205982ece041b3a4b189a8a553a2dbfe60d117c0ef6fee0ba363ceef9b64faaf1471006fd64e2390b190d362c249b77a18b8d7981a43f196abf47969bbeb
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Filesize
175KB
MD5bfec62ccea9c1281a345c983887e0fd4
SHA197c424594c896e252639b87ec9872517d39f3907
SHA256f0c9c14c3f0f162d96b8d9d033d878dbc900bd25617106374dae17a81cc6dc6d
SHA5120fcfcd38f87bd6f725435d42f6801a11d32dc490393d59163a116ddf4a6561820bb31ada1d45ac4240ee8b150f2f404d3c10b4c19d93e5af6ba81d25ffdf6a64