0f0dee93fe91bbf3df4cead93412e0c4860770f7d7b831e669b96f0730a59cc7

Analysis

max time kernel
117s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 18:20

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General

Target

caa31ae2f84af4cf5cd4d3cee5f16420N.exe
Size

39KB
MD5

caa31ae2f84af4cf5cd4d3cee5f16420
SHA1

fba78846d97ed8ddf9e694ae3928bd60827795ff
SHA256

0f0dee93fe91bbf3df4cead93412e0c4860770f7d7b831e669b96f0730a59cc7
SHA512

a64533d6a3460a4f37b901588177cf84b5cefe8eca1f8abb93c520301b4336869353dc470d55215c16c060083e0ef8fbed4aa397284537ea9b3e139ee1982a05
SSDEEP

768:W7BlphA7pARFbhM0Kkq81LOyq81LOl6Sl5lsStWyWL:W7ZhA7pApM21LOA1LOl6vSK

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4621) 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\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Office.Interop.Excel.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-oob.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH.HXS.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Consolas-Verdana.xml.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ppd.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ppd.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_ca.xml.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\ReachFramework.resources.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\tipresx.dll.mui.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\System\ado\de-DE\msader15.dll.mui.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationProvider.resources.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ja\msipc.dll.mui.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\7-Zip\7-zip.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\7-Zip\Lang\ru.txt.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.ValueTuple.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\rtscom.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Intrinsics.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\ReachFramework.resources.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jfxmedia.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ul-oob.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-ul-oob.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\3082\MSO.ACL.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\7-Zip\Lang\gu.txt.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RHeartbeatConfig.xml.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.Primitives.resources.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.XmlSerializers.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\third-party-notices.txt.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ul-phn.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-locale-l1-1-0.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\hostpolicy.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fontconfig.bfc.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ul-oob.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tr-TR\tipresx.dll.mui.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.config.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Principal.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Default.dotx.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\ReachFramework.resources.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsBase.resources.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\joni.md.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Core.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ChakraCore.Debugger.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-140.png.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ul-phn.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.tlb.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp	caa31ae2f84af4cf5cd4d3cee5f16420N.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	caa31ae2f84af4cf5cd4d3cee5f16420N.exe

C:\Users\Admin\AppData\Local\Temp\caa31ae2f84af4cf5cd4d3cee5f16420N.exe
"C:\Users\Admin\AppData\Local\Temp\caa31ae2f84af4cf5cd4d3cee5f16420N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:368

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
40KB

MD5
076482ec156f39665b51728841259f27

SHA1
fc532436e8ede48016d805bfb699593837db545d

SHA256
13c99890402f5776b14a92253eb2388769f63b47c43e0350502735f8e99a8fe3

SHA512
1829b999555811d9957a6c49b6838319a2e116a359cafb5ffb902664e5d0357d3cb3a53c50847aca49f74fbd410158365830fe543678574908ff616b6789d3d4

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

Filesize
138KB

MD5
d22b95d7ae405c2ac4d2a0be15457cde

SHA1
800338f94a2907c6bc0345bd638b43fc05a04567

SHA256
ab6675a613ecfa80b00942b6b490620a6582f52d097b60c8318a96477c45e1aa

SHA512
28f37a147885fcd6d8bd091577d0aad53b9414c51e06f4a5863981a6c3469d7411f2522ec0f553e5793e8e434035ef7b3ee81e371e8263db40e33563e1db7290

Download Submit