43dc57e10f2fcb34a4b29314eaa815ccfc7e7b27628ac18c704d89395ac2e8bd

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 11:37

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General

Target

19294edb7923085863168b089cd9fcb0N.exe
Size

42KB
MD5

19294edb7923085863168b089cd9fcb0
SHA1

44044cece2fe93eea07d3fc717273faa3d504288
SHA256

43dc57e10f2fcb34a4b29314eaa815ccfc7e7b27628ac18c704d89395ac2e8bd
SHA512

842c6cfb47ca9036ceac9c7b352c435c0d7d821d7508e2ceeab9f49fa85ee29b5650e31fefa1f5bada10b62365aa5315664bff15d0f92a24e0c99ba2ef7bd63e
SSDEEP

768:kBT37CPKKdJJTU3U2lRtJfOKI+D9Ii1xsI+D9Ii1xNHiRvAJ2AzAJ9RvAJ2AzAJ8:CTW7JJTU3UytJfOKI+h/YI+h/BC1h1g

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4678) 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/4384-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00080000000234d9-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/4384-1003-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\1036\MSO.ACL.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BREEZE.WAV.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hr-hr.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Watcher.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Input.Manipulations.resources.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-string-l1-1-0.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Xml.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmic.exe.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ppd.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-pl.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Xaml.resources.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Printing.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\CIEXYZ.pf.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\meta-index.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Input.Manipulations.resources.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPivot.PowerPivot.x-none.msi.16.x-none.xml.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.NetworkInformation.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win10_RTL.mp4.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ppd.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\ReachFramework.resources.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClientSideProviders.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\eventlog_provider.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\ImportFormat.wps.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\jpeg_fx.md.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-oob.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Windows.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_HK.properties.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription1-ul-oob.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-oob.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\AdHocReportingExcelClient.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_small.png.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ThirdPartyNotices.MSHWLatin.txt.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XmlSerializer.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ul-oob.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ul-oob.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART5.BDR.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7cm_fr.dub.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.DataAnnotations.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-pl.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-oob.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-pl.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationTypes.resources.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red Violet.xml.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sv-SE\tipresx.dll.mui.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsFormsIntegration.resources.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0115-0409-1000-0000000FF1CE.xml.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ul-phn.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-process-l1-1-0.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore.dll.tmp	19294edb7923085863168b089cd9fcb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationFramework.resources.dll.tmp	19294edb7923085863168b089cd9fcb0N.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	19294edb7923085863168b089cd9fcb0N.exe

C:\Users\Admin\AppData\Local\Temp\19294edb7923085863168b089cd9fcb0N.exe
"C:\Users\Admin\AppData\Local\Temp\19294edb7923085863168b089cd9fcb0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4384

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
42KB

MD5
350404e770e1ad8f0d7350bc68acf3af

SHA1
2f51b3e29fbad7959da69d406744708e079ae4f4

SHA256
14a2415710fba4ef40d76e57d0ebbe0f570c775a8894a68d1392f1e3e4d09e2a

SHA512
f9365e77a7965d8311d301ac0b0712c5fc1f627d9c122baafe4cb35299e15bf16e8db3aa5424ded02ef1d57f082cf1ef9e41b71b801c65f33e801b9148c28116

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

Filesize
141KB

MD5
d8ccc284ad55caa1eacbccd485daf38e

SHA1
972b42b307ceb43946a9b5dc4950d17dea2abc1e

SHA256
ea44230e8c9fa3c094b5c27093f4f662a3328d4a02cf24f7479bfcec2b8a5653

SHA512
457f3e8b445d7fce34c902cf63fe8beaabffd5ec710034ad3cf561f7b29344a9003921fb8ad957efc91d9beefb3606a7eee8627b09d4cc9d249b5051aa751b0f

Download Submit
memory/4384-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4384-1003-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download