ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:44

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General

Target

ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
Size

45KB
MD5

31631269613dfc1c4694274391bba350
SHA1

28c28a453eaf382367e9b833292fa7a8c3b0a575
SHA256

ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4
SHA512

9d2027545ed365bff085093abcea7235103179e8235f08398e00545b8bff00e72505348081118bb51bf4093d7042536e970a585f0b5add5f55297bec2c98723b
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcuvoE2OiJfoE2OiJ9:CTWkySSh9j+9jpGniJ6XJ6x

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4649) 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/4464-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000800000002346a-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/4464-981-0x0000000000400000-0x000000000040A000-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-console-l1-2-0.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Parallel.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Tar.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightDemiBold.ttf.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskpred.xml.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-runtime-l1-1-0.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Xaml.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSM.OSM.x-none.msi.16.x-none.xml.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.Vectors.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-pl.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.RsClient.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\misc.exe.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIA.DLL.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\auxbase.xml.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.Extensions.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-bridge-office.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_MAK_AE-ul-oob.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.AnalysisServices.AdomdClientUI.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ul-oob.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ul-oob.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-80.png.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Transactions.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Memory.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationUI.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-2-0.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jpeg.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-BR\tipresx.dll.mui.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Printing.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\WindowsFormsIntegration.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encodings.Web.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationFramework.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\keytool.exe.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Classic.dotx.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Core.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationFramework.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XPath.XDocument.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tracing.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Primitives.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\manifest.json.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Java\jre-1.8\bin\fxplugins.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-CA\tipresx.dll.mui.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscorlib.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tools.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.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	ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe

C:\Users\Admin\AppData\Local\Temp\ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe
"C:\Users\Admin\AppData\Local\Temp\ec0333198729bbf2013be478393a0163bdbfd19c53a627a2e9a0c35ff261a5f4N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4464

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
8ff9c6dc74106243fcda4ca64832de63

SHA1
437aeb59d9947c35cde93f7bfa3e5efa804e6abe

SHA256
6f97102a8ad20298394da6f53e41af90380e6b0220af512d8c892c1f5b360f85

SHA512
c5009fb404d9134519d17a4909f7787088c2217dad3fd859a64e0d962ba85539a100da659ad6559c85c6db9135b7a2e795ed5e08d2dc8ba40237ff3d137e9511

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

Filesize
144KB

MD5
c3f4a10b8d005e075f0895a52aaca3d2

SHA1
08f81eb13dc95616f145fd87f50f996963ec78e1

SHA256
6a497c4bb3fc284761a1e9f279e3ee2947dc9ea2a93dd328d7e06d13146b3ca6

SHA512
b07d87995d5ca652381a09e69c6762c85bff38b49169bc7cc91489b258bd74152e69083b560c72ad4f8d23b85650ba50cb3c66fc75ae36bc7c2774bc1f9d182f

Download Submit
memory/4464-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4464-981-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download