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Analysis
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max time kernel
120s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16/10/2024, 03:22
Behavioral task
behavioral1
Sample
ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe
Resource
win10v2004-20241007-en
General
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Target
ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe
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Size
63KB
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MD5
7d64d8af10d2c3315074087f17317870
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SHA1
be7fefd19d3b04b9f1708743c9b5ec68a23b8d11
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SHA256
ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0a
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SHA512
b3a6dce90b590fc3cbdf4076e0e5dd933718fb62695c18200ab79c8c3f657488186b586390d08c5e3d7cfeb1bebae34536963ce8e8b108b367c4f6e56c877738
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti0oj1O4iz:V7Zf/FAxTWoJJ7TTQoQ/IXb7n
Malware Config
Signatures
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Renames multiple (4320) 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/1116-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b4d-2.dat upx behavioral2/files/0x0014000000022905-6.dat upx behavioral2/memory/1116-658-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ink\tpcps.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ppd.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-pl.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-environment-l1-1-0.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ppd.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ul-oob.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_F_COL.HXK.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\7-Zip\Lang\zh-cn.txt.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationFramework.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Xaml.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ul-oob.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-pl.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.tr-tr.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.IO.Packaging.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.Editors.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10.mp4.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-oob.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Xaml.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Royale.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ul-oob.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ppd.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_COL.HXC.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Controls.Ribbon.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationProvider.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\7-Zip\Lang\bg.txt.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.Client.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Luna.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\ReachFramework.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Internet Explorer\sqmapi.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ul-oob.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Java\jre-1.8\bin\jjs.exe.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-phn.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.runtimeconfig.json.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\ReachFramework.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ul-oob.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Parallel.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Immutable.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ppd.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationTypes.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationProvider.resources.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.V7.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Primitives.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.IO.Packaging.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-pl.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.XLA.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.wordmui.msi.16.en-us.xml.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-ppd.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\en\LocalizedStrings.xml.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.TypeExtensions.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Java\jre-1.8\COPYRIGHT.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ppd.xrm-ms.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\Common Files\microsoft shared\ink\rtscom.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationProvider.dll.tmp ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.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 ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe"C:\Users\Admin\AppData\Local\Temp\ca8d30c167009f3c14f8a1657b63d993d19b47e4f78690096ea2f7683a0b5c0aN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1116
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD5ea6faf177ab8e0cfa8b6ec1eb76309a7
SHA16bb1eb3deaee48986c3b4d9039ac05df0d9058d2
SHA2568b3f4963761c059129b4c7776c8871340a55ae1cc718c26908fe71f9c66e4541
SHA512107ca6cbd4d18cd62a731ea14956d9c391c78b6f8c22c40cb470d3e1f69d7dd3db97fe21d1cb58d22743864afbed6c18dc9a9425badd3102ec7fbe23a8653338
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Filesize
162KB
MD5a00040e69611f178ea839d79a8de956c
SHA1b34c0d18bb4d2ec73ff2a3851fae056f199e76b0
SHA2561b042de0ffb6e09197327da9dae48708b210b359f9d62de1ed65eaa7732118dd
SHA512e2c3ec48ccbb89c846e54e4b30c1111cd946493edc4af431950e5944a0c9d90793f3803c1683f74c0af4580bc61b85b8071bdd4fe6903acdfe92bdb3a5ad3eea