73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9

Analysis

max time kernel
150s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 23:16

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General

Target

73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
Size

42KB
MD5

e0887f35e12b88faf322230f20393475
SHA1

ae26f5d2801075d9784dca0d2381641f90c861c3
SHA256

73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9
SHA512

51ac6abc5c032613e956cca851367bc25c183e36fc262f7f2d017af8237adfd0bf1a93acdc486b26fb2ef0b7e5dc9baa127ad1970cb0869fa13522397d82166e
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATBWvyBh85c54wWbbZd:CTW7JJZENTBWv36o

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5201) 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/5040-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233dc-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/5040-986-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.uk-ua.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-pl.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\centered.dotx.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-180.png.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\index.win32.bundle.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sk-SK\tipresx.dll.mui.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\ReachFramework.resources.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationTypes.resources.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\bundle.js.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Xml.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encodings.Web.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-oob.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_Subscription-ppd.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f33\FA000000033.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.Client.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationCore.resources.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ppd.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ppd.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-180.png.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.CSharp.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ro.pak.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-runtime-l1-1-0.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL026.XML.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\netstandard.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.JavaScript.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encoding.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Design.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationProvider.resources.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Permissions.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.123.manifest.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\vcruntime140.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win7_RTL.wmv.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ppd.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-pl.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\gl\msipc.dll.mui.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\7-Zip\Lang\hi.txt.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\D3DCompiler_47_cor3.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-ul-phn.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\7-Zip\Lang\ku.txt.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationFramework.resources.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.Primitives.resources.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiBold.ttf.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libxslt.md.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Excel.Excel.x-none.msi.16.x-none.xml.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-oob.xrm-ms.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msaddsr.dll.mui.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javah.exe.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140_1.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\decora_sse.dll.tmp	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.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	73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe

C:\Users\Admin\AppData\Local\Temp\73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe
"C:\Users\Admin\AppData\Local\Temp\73ecebda6dac45806cee97257e3ff594b8c4e292fe3d2fa7a3921deceae257c9.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5040

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
42KB

MD5
ee6b0be7b136c6b865c99daccd9928be

SHA1
7c27127a13773be8b2e6e55aeda7fff7e7347870

SHA256
e24b7a6c4c1a9cb8468848c478c97768fd8c11b6f69eac5b882a0051ae2415c4

SHA512
3c0a238d6ec6616e66b086d775cb9ce86247c4a8263c0445e13ec405116aea59fd9a219272e56d24464e8d8ec91287618cf9a40902f21814519453e11e484cee

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

Filesize
141KB

MD5
20a846188d43b451b31132618a4f63a7

SHA1
f89a091b468ea620a50d2a90be4a7753d6cfec8c

SHA256
880d6caded29a70694d573446660a7ea2ead1470feadb2ffcbb388814c08af33

SHA512
36188b442e7cc643a56b68d89ab9a068e90f6e5af234f6ae17ac94f373f674985ad6591d6b3265cfd8b1a5a2dbd5393051eb14da0879996f58ecacaea96893be

Download Submit
memory/5040-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/5040-986-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download