25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0

Analysis

max time kernel
150s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 01:39

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General

Target

25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
Size

95KB
MD5

3f2dbaa6fb8514ebf4fd751fee449319
SHA1

85940dbc956e69b5a35deb43a462d8881b95908c
SHA256

25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0
SHA512

d801ffc1ea8f668e3e4bfd7d7a16aaa4bca35576e6534b52ca9a6043ac9e32d0e6ef6695c381acf969bc4ee054e829596cda948c8ed8266e242e35a801ed7c77
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY51L1:fnyiQSox53

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4844) 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/776-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000235a7-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/776-804-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebProxy.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsBase.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\WindowsFormsIntegration.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ul-oob.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymb.ttf.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\7-Zip\7z.exe.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\Microsoft.VisualBasic.Forms.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\MEIPreload\preloaded_data.pb.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\FOLDER.ICO.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Java\jre-1.8\lib\plugin.jar.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-180.png.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Grace-ppd.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.uk-ua.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Common Files\System\msadc\msadds.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\DebugClose.ogg.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\ReachFramework.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.Design.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Xaml.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIA.DLL.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ul-oob.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Document Parts\1033\16\Built-In Building Blocks.dotx.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-string-l1-1-0.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\third-party-notices.txt.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNoteNames.gpd.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Primitives.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXml.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClient.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dom.md.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ppd.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightRegular.ttf.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ThirdPartyNotices.txt.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Java\jre-1.8\lib\javaws.jar.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-ul-oob.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\WHOOSH.WAV.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSO.FRAMEPROTOCOLWIN32.DLL.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_EnterpriseSub_Bypass30-ppd.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp140.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial Black-Arial.xml.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_KMS_Client-ul-oob.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\Office16\OSPP.HTM.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-pl.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ppd.xrm-ms.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Storage.XmlSerializers.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.WindowsAzure.StorageClient.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\WindowsFormsIntegration.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.Design.resources.dll.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\kn.pak.tmp	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.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	25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe

C:\Users\Admin\AppData\Local\Temp\25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe
"C:\Users\Admin\AppData\Local\Temp\25513fc6f784eddbd1302f1807a4d37fcf23e6268e1f7d32676431e368eb14c0.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:776

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4404,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4448 /prefetch:8
1⤵
PID:2732

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
95KB

MD5
c1b72b48fcfdfa11fa04ff40246929f2

SHA1
4c751dc2f9e64daf58d827882903ea8237b29472

SHA256
c583ca1678847332da1cf6d4ec6b8f0a2f2f8f69f40c63bc055db01e09c175bb

SHA512
b22b546cd2c712ef1e733f23ed184cce53e3e24ddaef0150c2a6dc5e8a5d7a7448dd5839f7bc9834390301911d28888f63bfe73e76d4f8a9f9bf5475cbd4758d

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

Filesize
208KB

MD5
dbe243f532393ea4a0f344c3072d8467

SHA1
abd50ec058bc3d826501e4916403b027396ec10c

SHA256
f811b1f023797f2cd36f21cb78872ccc6bc5bfad558d1ce4ca686095fa24d5c5

SHA512
bd8d5bb75f3d0243c9f8d1b82758c43e266fe72f00b8bedf21d746215ae54450cd67a191cfab9959fe6bd600966c90889aba4bee7d8caec956db897bb9d48136

Download Submit
memory/776-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/776-804-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download