825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128fa

Analysis

max time kernel
120s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 20:22

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General

Target

825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
Size

41KB
MD5

75c9c381df214c22ff2bb44f4a74d920
SHA1

af446fddc9a9777718a6148c21a1af12a017eb9c
SHA256

825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128fa
SHA512

60b67e4fae60f3038d2a700cfbca1c8f50ae812a817e62b424d895b36a41c58b6de64e7e2b66ff14fdb48bb0e1d39ca0a486f763703a07e5028b8011e31bc59a
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9Ro+QOViJfo+QOViJEopodSox/6Sox/9R+S:CTW7JJ7TPUTE1+S

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4648) 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/548-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c000000023ba0-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/548-787-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\sunmscapi.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.common.16.xml.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-140.png.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Loader.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Transactions.Local.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationCore.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jjs.exe.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ul-oob.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-oob.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\kinit.exe.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Wisp.thmx.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ppd.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ul-oob.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\host\fxr\7.0.16\hostfxr.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\TabTip.exe.mui.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ul-oob.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ppd.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Exchange.WebServices.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER32.DLL.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\System\msadc\msadcor.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Primitives.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Xaml.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Input.Manipulations.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\System\en-US\wab32res.dll.mui.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationCore.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationTypes.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Java\jdk-1.8\release.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\System\es-ES\wab32res.dll.mui.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationUI.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\WindowsBase.resources.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ul-oob.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Modeler.UI.rll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSYUBIN7.DLL.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\DirectWriteForwarder.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Controls.Ribbon.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\freebxml.md.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSVCP140_APP.DLL.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-pl.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hu-hu.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\msinfo32.exe.mui.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\hostpolicy.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vk_swiftshader_icd.json.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-phn.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-pl.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\sqmapi_x64.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.da-dk.dll.tmp	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.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	825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe

C:\Users\Admin\AppData\Local\Temp\825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe
"C:\Users\Admin\AppData\Local\Temp\825c31d54bc7926258071ee710ef5a94f4df7ee1a72949fa0586ec0d6ce128faN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:548

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-1-5-21-2437139445-1151884604-3026847218-1000\desktop.ini.tmp

Filesize
41KB

MD5
75742fc3d453dca635a4a621b4563098

SHA1
c0b026df40bbf6dab0f4a1c4c7082efa9c476b07

SHA256
89ae6d2d52e7f5eaacd3472054fc0ea84a13721ed90b0b1de0c69194528339df

SHA512
afd0c57dbe85d3eb495f95ce815da0dd02cc2b10fb84d3e54984b24d1ad79e9e5337627af106ecf6c73a7353a6f875b4c989485e324f9d000b18876022ce833f

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

Filesize
140KB

MD5
cd703dda579407caad9fc0b34ca4efec

SHA1
389b6a1a40f07e40de84751fc9b5ba640a129227

SHA256
ecfcdb1fb8e4f9e0fb3737649fe0eef43545c7981c56ba4656aed771772e8778

SHA512
e2d7433c4d02c0ed9a3db42d7fade21e5888a889885712021b48c98882eaaf7889fcc9d59aee0463fda026375f21ac88b63c62fc85ad8019ca7f4c55cc4dae2a

Download Submit
memory/548-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/548-787-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download