35b4509cf212751f53ec1c29419f7a2ff097809a6bfd67c2ae1860f1376f30f1

Analysis

max time kernel
120s
max time network
96s
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 12:37

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General

Target

ea181e4a327ead15daff17fd25d207f0N.exe
Size

34KB
MD5

ea181e4a327ead15daff17fd25d207f0
SHA1

efe24b071e87e487edff1d7a3361bb1d7781baff
SHA256

35b4509cf212751f53ec1c29419f7a2ff097809a6bfd67c2ae1860f1376f30f1
SHA512

cd25f6f2c9c54cf4c6aa533739868caa54fbc9ff220dd58c184601dba93fd67ec3dcd81b5699dd1405cba05232424a4b3879bfee05bbc1a4ac7626143dc5a7d2
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKF9ADJ59ADJs3353e353n:CTW7JJZENTNyoKIKMO

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4679) 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/4260-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000234dd-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/4260-1016-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationUI.resources.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogo.png.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\it.pak.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Integral.thmx.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\System.ValueTuple.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libxml2.md.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ppd.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHARTCOMMON.DLL.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.OpenSsl.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.VisualBasic.Forms.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Microsoft.Office.PolicyTips.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-pl.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ppd.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul-oob.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\concrt140.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\LibCurl64.DllA\OpenSSL64.DllA\zlibwapi.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationCore.resources.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-pl.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\7-Zip\Lang\kk.txt.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-2-0.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ul.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\it\msipc.dll.mui.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.HttpListener.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XmlDocument.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Controls.Ribbon.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.resources.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-oob.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-oob.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-phn.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshe.xml.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Csp.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.resources.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Xaml.resources.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javacpl.exe.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-140.png.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationCore.resources.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ms-my.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Crashpad\metadata.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jdwp.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-oob.xrm-ms.tmp	ea181e4a327ead15daff17fd25d207f0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.da-dk.dll.tmp	ea181e4a327ead15daff17fd25d207f0N.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	ea181e4a327ead15daff17fd25d207f0N.exe

C:\Users\Admin\AppData\Local\Temp\ea181e4a327ead15daff17fd25d207f0N.exe
"C:\Users\Admin\AppData\Local\Temp\ea181e4a327ead15daff17fd25d207f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4260

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
34KB

MD5
895d0c472cb10af58f7cc9b6ff37f669

SHA1
7243325a3e0124e9d4e6af1d5ded4fc7d1a9040d

SHA256
8e59abea6da69bc76987eb528ebba3b52ac17da271a6e3218e265cab34671f7a

SHA512
397d934e0b4a117d78bd27146692e563bc08d7550bc8b16dd1dd0fcf58b54ae91c55490ff13c9caaeb5de5529e49ee41cefb1792395c74409a602cbf502447d1

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

Filesize
133KB

MD5
37d0ce8a860ecfb99f7d0a8f9c1a7ece

SHA1
9e5d8798d241c499fa9368c1a992494fcecd23f9

SHA256
bd7f305b30c3a1f3d6a3673c7730946f819611a5e281088b3e53529853fee215

SHA512
f2a78cb1823bc99a0ae4668dee1aad7f7ff40f07d06dc85ae6327650cebea4dec0f4e7c62501cb11736a28737daf9fa103bbed33b1d33746742991e4e9c2df60

Download Submit
memory/4260-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4260-1016-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download