5aedaaf2646e0dd0d30df072f68bb8ba61b76f29d2fe5d2a33849d9e82b60229

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
05-09-2024 12:23

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General

Target

52420c7d059e665acb1ae40390b7a7b0N.exe
Size

59KB
MD5

52420c7d059e665acb1ae40390b7a7b0
SHA1

9083008e41d14367b34aef05ce3190a64bff51f9
SHA256

5aedaaf2646e0dd0d30df072f68bb8ba61b76f29d2fe5d2a33849d9e82b60229
SHA512

1f20dcc5d498fdf15369210a4173a7bcf948f7d21dda5187b4942eea9749421a6f83e030a8c721a0edbc7fc112b1290935b7b6bcacd4813a9cbe6edc18555bac
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKF9ADJ0:V7Zf/FAxTWoJJZENTNyoKIKMy

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4646) 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/4636-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000234ce-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/4636-876-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0115-0409-1000-0000000FF1CE.xml.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ppd.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000C.DLL.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.AccessControl.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\javaws.policy.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hu-hu.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-ul-oob.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationUI.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ppd.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-pl.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClient.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pcsc.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicelegant.dotx.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONGRAPHICS.DLL.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqloledb.rll.mui.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\ReachFramework.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-100.png.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-180.png.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-180.png.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Formatters.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ul-oob.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spc.txt.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Reflection.eftx.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-oob.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.tr-tr.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-bridge-office.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTrial-pl.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Configuration\ssn_high_group_info.txt.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\7-Zip\Lang\fr.txt.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\libGLESv2.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\trusted.libraries.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Extensions\external_extensions.json.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jdwp.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ppd.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msix.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ul-phn.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClient.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-80.png.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcr120.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsFormsIntegration.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Primitives.resources.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\sunmscapi.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000006\FA000000006.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.FileVersionInfo.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll.tmp	52420c7d059e665acb1ae40390b7a7b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-pl.xrm-ms.tmp	52420c7d059e665acb1ae40390b7a7b0N.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	52420c7d059e665acb1ae40390b7a7b0N.exe

C:\Users\Admin\AppData\Local\Temp\52420c7d059e665acb1ae40390b7a7b0N.exe
"C:\Users\Admin\AppData\Local\Temp\52420c7d059e665acb1ae40390b7a7b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4636

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
60KB

MD5
6b57f703328a530cca96f0a5230074cc

SHA1
8fd553dd9c66c6100742cb08f3952e8123a12eaa

SHA256
f64686b14277ce1a6f36e25d116954a92632368c73d6057124b0059459a9e449

SHA512
70e0d4a5f3d689257d874b7d96bb660017eec2733fb1f83bcd991dcf800bbe97f88420e6aa523e7b1dd17dcaceeed19e4b958ff7b9b1270469e8f7a82c43873b

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

Filesize
158KB

MD5
560f1c870e9e972c7259e6aaa50d8055

SHA1
e421aba914df27d75e000fa7e2d9aac93ff1a2ef

SHA256
0cd03ba1c74e434b3f5120c74c2e325d0e18b0d86972b8ce1d580f4f281f0e5d

SHA512
ea31333e8499d40047166a5b110ada267d9213622eef5fb28d0444cb80fd3ae0c991b72bbdb7883feae8908d1e5ee5f608b526263ec9d7524d1dbaa3d19ee88f

Download Submit
memory/4636-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4636-876-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download