aa8f4a13205190926e71000ba341d84b28893760891905f1280f0de00941bd56

Analysis

max time kernel
120s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 11:06

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Report Analysis Logs

General

Target

dfa71a1a890546d1e86ad1a12db7e1b0N.exe
Size

41KB
MD5

dfa71a1a890546d1e86ad1a12db7e1b0
SHA1

3d69ec4511f2afa8d5ac155620af2b516b3ab1dd
SHA256

aa8f4a13205190926e71000ba341d84b28893760891905f1280f0de00941bd56
SHA512

dd66b5f9ce3ee92e6ae689db518d463926a88017516d915ce94b0797ffc0b285ce6bd347c4901c370537ded0ae0f4a19c9c6f14f91366fc12cf75e620b691f4c
SSDEEP

768:W7BlphA7pARFbhM0Kkq81LOyq81LObC8p8ON4:W7ZhA7pApM21LOA1LOPN4

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4679) 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\es\System.Windows.Input.Manipulations.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.XML.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Common Files\Services\verisign.bmp.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-oob.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad.xml.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2native.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\Microsoft.VisualBasic.Forms.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Modeler.UI.rll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-180.png.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ssv.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jcup.md.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ul-oob.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsyml.ttf.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\coreclr.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsFormsIntegration.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\MEIPreload\manifest.json.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ppd.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OleDbProvider.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-80.png.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\netstandard.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Common Files\System\ado\en-US\msader15.dll.mui.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Core.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javac.exe.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ppd.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Excel.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ppd.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-ul-oob.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\zh-CN.pak.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-math-l1-1-0.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\ReachFramework.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.vi-vn.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Xml.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sspi_bridge.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.SapClient.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationProvider.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nb.pak.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsFormsIntegration.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Riblet.eftx.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Queryable.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Controls.Ribbon.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\local_policy.jar.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\ConnectUndo.ADT.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunmscapi.jar.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\7-Zip\7z.sfx.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsBase.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	dfa71a1a890546d1e86ad1a12db7e1b0N.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	dfa71a1a890546d1e86ad1a12db7e1b0N.exe

C:\Users\Admin\AppData\Local\Temp\dfa71a1a890546d1e86ad1a12db7e1b0N.exe
"C:\Users\Admin\AppData\Local\Temp\dfa71a1a890546d1e86ad1a12db7e1b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4360

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
41KB

MD5
7ec5e28ea93b2c7a7945aabffedb0a1d

SHA1
f72b62e55cc2f539680b0f834923b908ca4f1295

SHA256
ed0f8500b3efbfb3e23b7bdfdddff5a5fe575326aa8125e5ba7e4c915622e08f

SHA512
a691cf6271e4eafdefcb7953a5e1213ad7c29acf45fc27d762745fe48db7121c7f75186641ce7d42bd286cf0e56d4bd82130f09831f29ee96e312798cbe3297c

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

Filesize
140KB

MD5
ddfd00900593d3a5d7401790e104e7ac

SHA1
1b98e09f2eaf18aa7e27f79c55470beb41a8d1a4

SHA256
496cd036513753a10eed3867870e57e926a20766a6531456333ee0863433d956

SHA512
3e4849ca097de5469d8e0e8e997bfc3a33a4365354410f661941cb228f02c8cc35b361c4b403dce503510ee3beb3a5bec6fdf45f3acf9593613a6346528600de

Download Submit