8d96555efb906e4107d6a29157ab20201b5c84e40816f74a5042e76e2add89be

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
06/08/2024, 00:27

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General

Target

2ee66cb455f29729daae33b559210cf0N.exe
Size

103KB
MD5

2ee66cb455f29729daae33b559210cf0
SHA1

4e8276839d657bd9fcd7324b970adaed4651749f
SHA256

8d96555efb906e4107d6a29157ab20201b5c84e40816f74a5042e76e2add89be
SHA512

c1dc896e3bb749be8f1e20a82e7f237bce15e732de51a5b2fb1a611df44848f8806911f7f8c05f70c23fff94171215b2af7d184df9d2cf3f2ee4f126eef387c6
SSDEEP

3072:fnyiQSoJUBM+PocOQejPdMRAHAASnnD5D5172HyZU3YF40S5DnumSFDnDHaJP1Bg:KiQSo/8

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4639) 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/1144-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002348b-2.dat	upx
behavioral2/files/0x0014000000022936-7.dat	upx
behavioral2/memory/1144-1960-0x0000000000400000-0x000000000040B000-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\System.Reflection.Extensions.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\.version.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationFramework.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationUI.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ul-phn.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTest-ppd.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MML2OMML.XSL.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libffi.md.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-ul-oob.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ul-oob.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Debug.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\da.pak.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.FileSystem.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\PresentationFramework.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Design.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ppd.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\7-Zip\Lang\id.txt.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-profile-l1-1-0.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Transactions.Local.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClient.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\GroupPublish.temp.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ppd.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ppd.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000009\FA000000009.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Csp.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Xaml.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Design.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationProvider.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-pl.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationTypes.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dcpr.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-ul-oob.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-ul-oob.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000A.DLL.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-80.png.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\coreclr.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.Primitives.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Core.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Primitives.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationUI.resources.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fr.pak.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Internet Explorer\ieinstal.exe.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ppd.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ul-oob.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-phn.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	2ee66cb455f29729daae33b559210cf0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\WindowsAccessBridge-64.dll.tmp	2ee66cb455f29729daae33b559210cf0N.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	2ee66cb455f29729daae33b559210cf0N.exe

C:\Users\Admin\AppData\Local\Temp\2ee66cb455f29729daae33b559210cf0N.exe
"C:\Users\Admin\AppData\Local\Temp\2ee66cb455f29729daae33b559210cf0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1144

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
104KB

MD5
061d629c60f63570a7ef520280954363

SHA1
4f9eb140c09b8cba34e493d07e93cd879fdea8b8

SHA256
7e18af1020088a9e1d9224c2f9ef8e865232f3995b296c705ea27bea3c73b48d

SHA512
9f84b9e85013350682604894541b6ef628b498c0e57f5b9b77874110504e8b3a6026e12062e44c5a209f766c279421099a7e70b513aff61b59f4dd7429d66838

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

Filesize
203KB

MD5
49aa3d6c7a0ceae6a3e2b9f293d44857

SHA1
c5c8c04c84d2538ff09a0ee2ce039a8cea08b59b

SHA256
0a19f287163c35e51015fbf6f18b7510a00b921cc622ba17e6b29700952b87ae

SHA512
98ce56b825cf5b33391597994009901daf2c589ac8e3a86ba9c87b38696401dcbb457abcbe570afed1dc00d0313b17cf61bc36bd4db242e5f4509870879c1e8a

Download Submit
memory/1144-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1144-1960-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download