faa23b4e19b172edf2903ec0fc17dc1cc8f3a61f44d645be387ee2802a32dd23

Analysis

max time kernel
120s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 08:54

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General

Target

77c2d2fff82469a03139dc4eaaed6c40N.exe
Size

47KB
MD5

77c2d2fff82469a03139dc4eaaed6c40
SHA1

309e40a256d0162c20cc6bdbb9318c4b61ecee2c
SHA256

faa23b4e19b172edf2903ec0fc17dc1cc8f3a61f44d645be387ee2802a32dd23
SHA512

50163a3375754e5e9f7cac10491f986a6e00179021ca46a78338f59a52ec1e2547aabe314724829b138a4912402d727ca0f0ab8c72665e48a1c3477dddf9bc80
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFIL:CTWn1++PJHJXA/OsIZfzc3/Q8IZx

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4308) 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/892-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233de-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/892-990-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.EventLog.Messages.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.Design.resources.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Design.resources.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2native.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clretwrc.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Overlapped.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-pl.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Grace-ppd.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-pl.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\MLASeventhEditionOfficeOnline.xsl.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Csp.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationTypes.resources.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationProvider.resources.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ppd.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Initialization.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.AccessControl.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Core.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Pkcs.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-oob.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Design.Editors.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-pl.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-runtime-l1-1-0.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management-agent.jar.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-pl.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ul-phn.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\System\msadc\adcvbs.inc.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Design.resources.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\System\wab32.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.AppContext.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ul-phn.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Primitives.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\7-Zip\Lang\ja.txt.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\7-Zip\Lang\zh-tw.txt.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationUI.resources.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\msvcp140.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GR8GALRY.GRA.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-oob.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ul-oob.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription3-ul-oob.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ppd.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-ul-phn.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ul-oob.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART1.BDR.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\InputPersonalization.exe.mui.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-datetime-l1-1-0.dll.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Franklin Gothic.xml.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-ppd.xrm-ms.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	77c2d2fff82469a03139dc4eaaed6c40N.exe

C:\Users\Admin\AppData\Local\Temp\77c2d2fff82469a03139dc4eaaed6c40N.exe
"C:\Users\Admin\AppData\Local\Temp\77c2d2fff82469a03139dc4eaaed6c40N.exe"
1⤵
- Drops file in Program Files directory
PID:892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3419463127-3903270268-2580331543-1000\desktop.ini.tmp

Filesize
47KB

MD5
b90018325742b1e9fd1ddfb6879e41ec

SHA1
bf634926e2cd26b3d5da0243c81a578b8337d3fc

SHA256
1c1871413ceaf9eb5a843d658f8f51c16be22d7672e3defc6bea66bbdfc1d406

SHA512
cbf7f0c1af4685b627a73e83f7a74dcfb48fe419e23aaccb3ab8a26116c8e9e1fb16b06e4e1ee67a5f560b4a346b09807c940385d4b13de20cdaa58bb5ea2352

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

Filesize
146KB

MD5
4c1263c228df7e797a23fe6db6714d14

SHA1
c762528ab1e42fd0762c28289fa155d0823b132e

SHA256
2714afe4ce99497befcb1ddfcd250a06d7f47f9ab06874bc7b12f9d14a10622c

SHA512
1c540d8b0b8553ca01bccb7dacf0dd173918b31e409cd8eaf70f2aef1855a2caeda034a0da1dbafd9acf98c11a9a80d08056621aa405ca865226f39a56c634f1

Download Submit
memory/892-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/892-990-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads