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Analysis
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max time kernel
119s -
max time network
106s -
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, 23:29
Behavioral task
behavioral1
Sample
8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe
Resource
win10v2004-20241007-en
General
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Target
8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe
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Size
59KB
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MD5
cf5b7a515d7790d0392ca5e935b2f2e0
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SHA1
b5d82bc5a16b745d9544d713a22b5663063309e7
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SHA256
8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726
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SHA512
05d78d6f681929510d814e96ffe580d5ed84684d2c12741e9ebfc45ba9c5f3aa5391cfd6b840ae121c2560968361ecb0bae88756a64ecea0004b18cb4c63fcdc
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SSDEEP
768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9nPJc4yc4aYuEsYuEB:V7Zf/FAxTWoJJ7Tl6P
Malware Config
Signatures
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Renames multiple (4025) 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/4868-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x0009000000023c8b-2.dat upx behavioral2/files/0x0014000000022912-6.dat upx behavioral2/memory/4868-648-0x0000000000400000-0x000000000040B000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\WindowsFormsIntegration.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\lib\psfontj2d.properties.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_PrepidBypass-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ppd.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\rtscom.dll.mui.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\vstoee90.tlb.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.Serialization.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\libpng.md.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ppd.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Queryable.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l2-1-0.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\javafx\jpeg_fx.md.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Common Files\microsoft shared\ink\IpsPlugin.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationTypes.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-math-l1-1-0.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-ppd.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientCapabilities.json.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.Primitives.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationProvider.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ppd.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-phonetic.xml.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Design.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\xalan.md.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\lib\cmm\CIEXYZ.pf.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.kk-kz.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansDemiBold.ttf.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationTypes.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Xaml.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ReachFramework.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jdk-1.8\bin\orbd.exe.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXT.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Ping.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Controls.Ribbon.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\bin\lcms.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.Client.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Xaml.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jdk-1.8\LICENSE.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-interlocked-l1-1-0.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Primitives.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.Primitives.resources.dll.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\bin\jjs.exe.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\unicode.md.tmp 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.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 8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe"C:\Users\Admin\AppData\Local\Temp\8e8850720ce22fc389af2c667c58ca4b9aef13ae54e3b2ecf8565a27c63d9726N.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4868
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5261a3e4129784d72eb890d17e3e25fc9
SHA1454850bd64cdf5a35061a092b05b98b9cc3a915e
SHA2560e75cc677536b0225300c3d520f7d0ef00007772e081779a1fcfd14bb6ce2e06
SHA5128a8d72256e67291ad88da104e1fa7e281ff17c4e6bbc258ecbb0f6bd6407edc103b9599eb833671f4bcdb0717ecf78edfd14f256c91efb8a45367f18a435d57a
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Filesize
158KB
MD552e998fc11a4c879a754527d4624e3c1
SHA164689144e8c5ccf32b55709ca28a1ff0f02a515a
SHA2566195c5bbeec61680ac75c26b3e32b580c05aedd15077e9bda5d8a5c4a601ba85
SHA512715b4101a43dfdb98ce8d5dd507fd80ebc1c6a1d553438ddf43c5ffdfdffc18aa0d7af01408d53c97f14ce51f079004c9f981fbbe6b7a64a4a2ba82c9d0bcea9