4ab318d8af667020164b8656ea6c8808bc8e7f176193a10ede6dfd21b0857d4f

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 21:11

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General

Target

83db1095afd3f7dae51b2f7db317dc20N.exe
Size

46KB
MD5

83db1095afd3f7dae51b2f7db317dc20
SHA1

5d217994b95c4c765cd2e5e632364a1ccd2986c6
SHA256

4ab318d8af667020164b8656ea6c8808bc8e7f176193a10ede6dfd21b0857d4f
SHA512

96539f1df3f9eb585cdc340e4b53c49851d136b2d4b66e322f22c88e52b848942f12bc713fe09d7641496c337f32ab51a0dc901b1f0e8cc6157574bad0608aa8
SSDEEP

384:GBt7Br5xjLdbAAgA71FbhvU8g0U0fLMzyKbNzzyKbNWkq3DLXakq3DLXGbg142NW:W7Blp+pARFbhBgnKLMWK9WKD2N2w

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4623) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\EditSend.vst.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipTsf.dll.mui.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ul-oob.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\MLASeventhEditionOfficeOnline.xsl.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\d3dcompiler_47.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.Registry.AccessControl.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunjce_provider.jar.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-pl.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.deps.json.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Process.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.Primitives.resources.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\7-Zip\Lang\pa-in.txt.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\vcruntime140_cor3.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Subtle Solids.eftx.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsBase.resources.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-ppd.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ppd.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-oob.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\7-Zip\Lang\nb.txt.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-datetime-l1-1-0.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_zh_CN.properties.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\7-Zip\Lang\id.txt.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.DataSetExtensions.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jdk-1.8\release.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ppd.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Bibliography\BIBFORM.XML.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.HttpUtility.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationTypes.resources.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemData.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightItalic.ttf.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-pl.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Crashpad\settings.dat.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Design.resources.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Classic.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.ThreadPool.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-oob.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Design.resources.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ppd.xrm-ms.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.Extensions.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TextWriterTraceListener.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	83db1095afd3f7dae51b2f7db317dc20N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ja.pak.tmp	83db1095afd3f7dae51b2f7db317dc20N.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	83db1095afd3f7dae51b2f7db317dc20N.exe

C:\Users\Admin\AppData\Local\Temp\83db1095afd3f7dae51b2f7db317dc20N.exe
"C:\Users\Admin\AppData\Local\Temp\83db1095afd3f7dae51b2f7db317dc20N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1080

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
46KB

MD5
96b70ca1526a9b91de7e5455af55f32d

SHA1
c0f73ea7cbe059dc32e39809cb9b426b87ef10d0

SHA256
f242dcc4d89087302441d76903a3b3c192cae0e139a2371c07e159793cf87d30

SHA512
5b01ef6ce9d1ec5d1c29661485d922fedd9aeae68fd878aff03d102472bbf833d909c633491d91f8d3057f7e7a6fe8a0375897fe8bd4a287325440669ef44c95

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

Filesize
145KB

MD5
b4a7b6a7b4378551be6fbecccb6978d9

SHA1
0d68a860b62b093df6c4ddc73c262d5db11176a8

SHA256
6e52980106725b0fe702b926785b7e9be61beb0988cd4a2bafc27dd30be498ea

SHA512
5fddb3eece5e829f71f34227fe6cc89e3f5bbeac164fa14da8f3eb58be3070a1b981ee827669f11e6dae6455b547bef7d0feed80d90a372a7bb609ed23fa0f10

Download Submit