Analysis
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max time kernel
120s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/10/2024, 10:02
Static task
static1
Behavioral task
behavioral1
Sample
87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe
Resource
win10v2004-20240802-en
General
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Target
87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe
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Size
58KB
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MD5
dde289dc86af6e75ace0c331235bbbd0
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SHA1
d1b6e024c315b4b526dd93b07635118b85be75da
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SHA256
87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799c
-
SHA512
0037a7e2dddf6a3181feba56e03a444648af503d1063a19fdc6845e828dc7956be307faa11933b23e45e6e2e46c74657f50d0cfe5c36353109f7689f416f2d10
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SSDEEP
384:yBs7Br5xjL8AgA71Fbhvszw/Evd5BvhzaM9mSIEvd5BvhzaM9mSqZsSb9hZs3V7I:/7BlpQpARFbhvEXBwzEXBwLtAc7Fc7E
Malware Config
Signatures
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Renames multiple (4677) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Grace-ppd.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Author2XML.XSL.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationTypes.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\he.pak.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ko.properties.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ul-phn.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\orcl7.xsl.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationCore.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fil.pak.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ul-oob.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Input.Manipulations.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140_1.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\cldr.md.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub_eula.txt.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ul-oob.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordaccore_amd64_amd64_8.0.224.6711.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ul-oob.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-140.png.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSOARIANEXT.DLL.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\ClearUninstall.wmv.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-pl.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jre-1.8\lib\ext\dnsns.jar.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ppd.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-pl.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Primitives.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\lib\orb.idl.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jre-1.8\lib\management-agent.jar.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Design.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\ReachFramework.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\COPYRIGHT.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ORGCINTL.DLL.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\FilterModule.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\pt\msipc.dll.mui.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Common Files\System\Ole DB\ja-JP\msdasqlr.dll.mui.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationFramework.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\bin\jar.exe.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\cacerts.pem.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Primitives.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.DirectoryServices.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\ucrtbase.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\zlib.md.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\7-Zip\Lang\sq.txt.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationCore.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.resources.dll.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe File created C:\Program Files\Java\jdk-1.8\javafx-src.zip.tmp 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.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 87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe"C:\Users\Admin\AppData\Local\Temp\87b0e25b5f449401bf0cf0e20c34c07ae2c1da28d37e2fac1a38e9c62aba799cN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3132
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD53dcb143db0c72b50eba44a59f434e6df
SHA10e9156ad112c3db981607c4bdfe5639d322751f7
SHA256e1898867add904cbcf1e44fa0f6f21f607dc0e016afda9c6c28b4122ab1e3cf4
SHA512829be1b9f21fac1b64ef51904991369e15113223b86eafa2e2c3c7fe6e9c965a916e12270d758638f2f2a1dc144ce12d7ba57a84de6c425c9bcf4268147b59ae
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Filesize
157KB
MD533d7688ead1a7c1c792ecbdabdf3ed9e
SHA1b197bf152ac7ed2bb4518afc21f580cc2d0ab59c
SHA2563f29d4a9e96da8c689867de52b9b563b101cfa48421f646bb4a5697fa7a4dcb2
SHA512c3f6c17d338d964b4f5504d6061d267ccf642373e20cccc53496cc439d8358ee6f52f36d56f14357d4320c575b3c623dbd3488435f8e9e8389107e429729ed87