b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4

Analysis

max time kernel
150s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 01:47

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Report Analysis Logs

General

Target

b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
Size

133KB
MD5

b5aa57077e20f58b8927aa225e3f9eba
SHA1

3463d4c52042e7b197a4926eb144db74dc25ccf1
SHA256

b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4
SHA512

f7683d56ce0e4f5a0d8477d2304154a2a21f2107320e9c60110d959cbd7bf5373a62a914468dd3acb5814a84a443d748f296cdabdd13196d726f091b4bef3726
SSDEEP

1536:V7Zf/FAxTWtnMdyGdy4AnAP4FeUe5TWUnMdyGdy4AnAP4FeUeW:fnyGnpAOeUefnpAOeUeW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4830) 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/1944-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234c5-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/1944-804-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ul-oob.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IEAWSDC.DLL.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\coreclr.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterBold.ttf.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\invalid32x32.gif.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ppd.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ul-oob.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXPTOOWS.DLL.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MML2OMML.XSL.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Thread.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Grace-ul-oob.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\vi\msipc.dll.mui.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ppd.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL081.XML.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_font.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ul.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-pl.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OneNote\prnSendToOneNote_win7.inf.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Json.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\en-US.pak.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-1-0.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\public_suffix_list.dat.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.es-es.xml.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clrjit.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\WindowsBase.resources.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-80.png.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-80.png.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ppd.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Sybase.xsl.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\bin\policytool.exe.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ppd.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Spatial.NetFX35.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\amazonredshiftodbc_sb64.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\zlibwapi.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.resources.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\glib.md.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-util-l1-1-0.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.X509Certificates.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.CSharp.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.Messages.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_sw.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\mesa3d.md.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\EXPLODE.WAV.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Presentation.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationClientSideProviders.resources.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ur.pak.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntryR_PrepidBypass-ppd.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\uk-UA\msinfo32.exe.mui.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationProvider.resources.dll.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ul-oob.xrm-ms.tmp	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.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	b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe

C:\Users\Admin\AppData\Local\Temp\b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe
"C:\Users\Admin\AppData\Local\Temp\b445d0981c2dfdb738714e3d5cba49402ecd985e031d4ebf99e6ba351460d1e4.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1944

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
134KB

MD5
2a48720c982d206c92f28ef82b20343a

SHA1
df8f0f43d2e90bb270cd63073eba3cf89c34e955

SHA256
c9541c3be36887614235cd882507b462c440787750cd2386b34ea3a8fb1d1689

SHA512
0c2f565aeed0f4bedea88b08df7fd62cda4a702bde4fd0e8b27ed119edd14fc20f65ea2233c77a6d3d272b4b0cb1935426749294c299c8b4b9f3d5675068f1d3

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

Filesize
232KB

MD5
810cfad34c3266d5065de57b9a342b24

SHA1
5318591bc9cea02ab213bca2dedc91bd43862c99

SHA256
2c638d0a7af66466cf180099f98d1af14ca6f3370101abe78f570da2268e84d0

SHA512
832de2eeb65ed070dda72dbbbd03562f532c3bd3c7f83b2de59b883f2e699a92cb93bee65d322903ba7209e635f2a9286b505107839183f994af97ebbf0df3eb

Download Submit
memory/1944-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1944-804-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download