d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33c

Analysis

max time kernel
120s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 16:08

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General

Target

d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
Size

33KB
MD5

9e371774ac9d3966eafa5c300ce2b930
SHA1

fd6dff5ea74da15219da551f0954527cccd027d5
SHA256

d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33c
SHA512

0d3ceec2c955e0e88ce1ef7c1700673a3ab12d46733e40166d1f3ecdbf5ff7d2cfb8a778b9775f2743376b9b3e3937d73500f84f44a76c04299a308399e8bbdc
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9Ro+QOViJfo+QOViJFFO:CTW7JJ7TPU1

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4623) 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/4000-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002346a-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/4000-930-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-140.png.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\LINEAR_RGB.pf.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_Grace-ppd.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-ul-oob.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Common Files\System\ado\de-DE\msader15.dll.mui.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Concurrent.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\wxpr.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCombinedFloatieModel.bin.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\TYPE.WAV.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Process.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.SecureString.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Grace-ppd.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-pl.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\7-Zip\Lang\gu.txt.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Primitives.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationUI.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_sw.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ppd.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul-oob.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-180.png.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\th\msipc.dll.mui.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\WindowsBase.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Grace-ppd.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-phn.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-pl.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ppd.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-100.png.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.Common.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Controls.Ribbon.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationCore.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxslt.md.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHART.DLL.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-140.png.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.DiagnosticSource.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Tracing.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-oob.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSO.ACL.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART7.BDR.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\COIN.WAV.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XmlDocument.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationUI.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Primitives.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-oob.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.Design.Editors.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\icu.md.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClientSideProviders.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsFormsIntegration.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.deps.json.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Aero.dll.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientVolumeLicense2019_eula.txt.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\management.properties.tmp	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.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	d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe

C:\Users\Admin\AppData\Local\Temp\d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe
"C:\Users\Admin\AppData\Local\Temp\d13a1fd1d83613eb5fd38e06183370f2642c4c8e4d988f7ae8848ae5c326e33cN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4000

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
33KB

MD5
6a85509e2b7bc323ffbb4fbf02b625a4

SHA1
9b3960731cb8d51e444ad6b3690e5aa234d82832

SHA256
f7d536690445c027cbda388b3e098f8cfdef27564adf0db4291a01a8aada16f1

SHA512
4ec2979c4bd3c37f843b8918706ac5120a009397b293b99850a2d89f663b4844b365f8227a95c7119d699fd045438c4227f15949741789077f9f95996ff2fb43

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

Filesize
132KB

MD5
dd910026e542374538f5fc0db0e31e4b

SHA1
2ce98b340fb3dc6e2b71c6b58629110dd71629e3

SHA256
39619e05348bda9fd1fcb9fbc460b7404a4aca8c51f07d0822268c885fe5bb85

SHA512
41cc5b262b602cb658e88a9ab6d217b80d94b5add3139a3861a52655df5b482060f9c51c3f26fb1b02b5e92640af7ee3b33a27da17388a62f924fa722612f40d

Download Submit
memory/4000-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4000-930-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download