Analysis
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max time kernel
150s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-10-2024 01:36
Behavioral task
behavioral1
Sample
b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe
Resource
win10v2004-20241007-en
General
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Target
b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe
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Size
52KB
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MD5
ae1a89352084bcac1bbf4715a9b6ad95
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SHA1
e1441f378036a05ea10e1a052a97e3a468380cba
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SHA256
b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c
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SHA512
a65a9be904bd44a3db322823766bf11a449d58f4fc74ccf2524685d55377d781b1fc67090c5fe50b67e221e53c11fab86f9881dc1543a63a32495e7484944bcc
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9X:V7Zf/FAxTWoJJ7Td
Malware Config
Signatures
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Renames multiple (5190) 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/2320-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b19-2.dat upx behavioral2/files/0x00040000000228fe-7.dat upx behavioral2/memory/2320-782-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\am.pak.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\bin\management.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-pl.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\pt\msipc.dll.mui.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL120.XML.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\microsoft shared\ink\InkObj.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msadcor.dll.mui.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\System\Ole DB\de-DE\msdasqlr.dll.mui.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Design.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0C0A-1000-0000000FF1CE.xml.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\vfs\Fonts\private\GOTHICBI.TTF.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Xaml.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\microsoft shared\ink\hu-HU\tipresx.dll.mui.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-pl.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ppd.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.XmlSerializers.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL093.XML.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL112.XML.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxml2.md.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\offsymsl.ttf.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\ReachFramework.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\giflib.md.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\calendars.properties.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.FileVersionInfo.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationProvider.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11wrapper.md.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\EntityPicker.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\upe.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.TextWriterTraceListener.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Design.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\xmlresolver.md.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\ONBttnOL.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL110.XML.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC.HXS.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsptg.xml.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Loader.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\ReachFramework.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipRes.dll.mui.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationClient.resources.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-heap-l1-1-0.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-100.png.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\rsod\excel.x-none.msi.16.x-none.tree.dat.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Core.dll.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red Orange.xml.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Grace-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\7-Zip\Lang\gu.txt.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-oob.xrm-ms.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientVolumeLicense_eula.txt.tmp b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.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 b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe"C:\Users\Admin\AppData\Local\Temp\b815acf7a5c98bbb90373602f939d6683f22d23728070b53e11ef0f26749964c.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2320
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
53KB
MD56e7fb19164c8176b54d3372b6e19cdea
SHA186280cd1c5591ff3758ec7b2b34fd66f3b4509fd
SHA256faed7dd5981c229283d466b93db796c0f1719adef51f5d424562b37fe887767c
SHA512db9c7849c63d7518de63cfb00ec58f28c99bb5da6d98346e14bd23609893287c1dae784cade5f4a41c7dc53afba0133956cf0e2f2963c77ffb0c626184943f6b
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Filesize
151KB
MD5af41adcfb6d884339fa97b5a944e1c9e
SHA15c4ddbfcf9aed4071febbdb38e3260f4e7bc9c43
SHA256b168c010ccb2316170200640ee1a48d50fca8cd622a83f74b991e5014c6292e1
SHA512ee94ee5f869478dc6093fa38087ccbfee043c3faa4d9d83589f4080c3544992c889a1dbfb76db81f47ad1688682f2f3ba60fa5fcddc81f6459f426201eecc710