82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 09:14

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General

Target

82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
Size

122KB
MD5

2bf6b7ef007206043f66d623f6bbcc83
SHA1

70c7c3078120c139501a5de3d0178eac6cd154e6
SHA256

82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7
SHA512

53195c2bf838bc7b0af02f3087ca502692b988f20dd26e83de2f436e778c538d834cd9ca364ec1f65180ba7458c784bc1c77d0701809f2d9e244fe41630fe345
SSDEEP

1536:V7Zf/FAxTWoJJZENTBmRPsdj2hkAeCgI3i0CJS1Il+lM5QOVhFVh6Jb1Jb3rqsuz:fny1tEyyj2yAeCgjJRDFDqrDIuql

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4193) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3412-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b36-2.dat	upx
behavioral2/files/0x0004000000022902-6.dat	upx
behavioral2/memory/3412-662-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems32.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-pl.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\tipresx.dll.mui.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Presentation.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_iio.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Spatial.NetFX35.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.Linq.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsFormsIntegration.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ppd.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ul-oob.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ppd.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Contracts.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationTypes.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsFormsIntegration.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHLEX.DAT.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\TellMeExcel.nrr.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationUI.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jdk-1.8\COPYRIGHT.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jre-1.8\bin\javafx_iio.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\CIEXYZ.pf.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\icu_web.md.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\ReachFramework.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jre-1.8\bin\dcpr.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\trusted.libraries.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jvm.hprof.txt.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsel.xml.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\DirectWriteForwarder.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Excel.Excel.x-none.msi.16.x-none.xml.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-pl.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-oob.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Specialized.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.Writer.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-2-0.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-phn.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.Authorization.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Presentation.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-040C-1000-0000000FF1CE.xml.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-ul-oob.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.EditorRibbon.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationProvider.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ul.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicsimple.dotx.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-oob.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Primitives.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Controls.Ribbon.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Forms.Primitives.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ppd.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ppd.xrm-ms.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe

C:\Users\Admin\AppData\Local\Temp\82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe
"C:\Users\Admin\AppData\Local\Temp\82bf79d8b019e27e870f898eaa8385791c8ff43e4b0635f2ca310c45f5b587c7.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-493223053-2004649691-1575712786-1000\desktop.ini.tmp

Filesize
122KB

MD5
b4f986221f3bddacf38c8b0011d6f9e8

SHA1
80f0f4ed2506cefc226d5ebeb32a53175769ab54

SHA256
16e8cd1b9015e392de23b59eb17a5ee22f6055b2171126dd519ba18beee393bb

SHA512
22a5260020667bdee197045d90d301df04f8c334555f1869c2019f9c93ad56c330711c5eeec1c67eddbff911e097899c93167af3cef366c521688749b7a15d76

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
221KB

MD5
066ec952b5a27ae8de1dcdd12557b059

SHA1
98de1b8abaa1354e350b6794dc371e043bf23785

SHA256
5d2072cdc5a6ec1ceaac4b0c947e21bca915b69730af25ba7c55467d13bd389b

SHA512
44e1cbd759ebc9b154a4720c98a95f46b015948b4553b4b71a50f3523e1fda00c943f6b76d97fcb75ef5d67a262d9aa0d6c855832ba131e3591c50d92a30a377

Download Submit
memory/3412-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3412-662-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download