26ebcc2cb01fd45ce79a345318cd80e3f3c814cd73b2f4d2d6f24f6346400c6a

Analysis

max time kernel
120s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 17:52

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General

Target

4c622b2b6497153bc8017dc32f86b1b0N.exe
Size

54KB
MD5

4c622b2b6497153bc8017dc32f86b1b0
SHA1

573242498ce6f103bdfc248f796936f1b59a2dc1
SHA256

26ebcc2cb01fd45ce79a345318cd80e3f3c814cd73b2f4d2d6f24f6346400c6a
SHA512

eeb692e7eca85201c1068c351bc12368ba5425d6dc354fa6b6a85c7c3ebc6281525d60c5e0af87ccc38cad3bdd00352ef1ace89a593f821d63f2f17569774c11
SSDEEP

768:W7BlphA7pARFbhL801VvM801Vvv7lSKSW7afHFCSW7afHFl:W7ZhA7pApw03vR03vxSKSWu0SWun

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4666) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

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.Threading.Thread.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-ppd.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorrc.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.TextWriterTraceListener.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationTypes.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office-client15.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ul-oob.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Input.Manipulations.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\Office16\SLERROR.XML.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-80.png.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssv.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Design.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clretwrc.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsBase.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-2-0.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\ReachFramework.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_TW.properties.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ul-oob.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-processthreads-l1-1-1.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-ul-oob.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_f2\FA000000002.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-180.png.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.DiaSymReader.Native.amd64.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jli.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.DLL.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\eula.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-private-l1-1-0.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ul-phn.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Grace-ul-oob.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationFramework.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xmlresolver.md.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-ul-oob.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe.manifest.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NPSPWRAP.DLL.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationUI.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp2-pl.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-80.png.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\Default.dotx.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tools.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Parallel.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsFormsIntegration.resources.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Threading.AccessControl.dll.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-006E-0409-1000-0000000FF1CE.xml.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nl.pak.tmp	4c622b2b6497153bc8017dc32f86b1b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp	4c622b2b6497153bc8017dc32f86b1b0N.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	4c622b2b6497153bc8017dc32f86b1b0N.exe

C:\Users\Admin\AppData\Local\Temp\4c622b2b6497153bc8017dc32f86b1b0N.exe
"C:\Users\Admin\AppData\Local\Temp\4c622b2b6497153bc8017dc32f86b1b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:840

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
54KB

MD5
916d1227c859aded88ee4f0c3a6fc801

SHA1
76ebbdab3604692310072285d88d1a1f87bad444

SHA256
f430a1475fb0c2afb6aa4bf4d402cae6ff5d50ff4fc7bbd49dfe4e4aa8d0c910

SHA512
110d599628307f95c66447c82fce8ba3409de35117b8da5c653f8fc882b5d51888510d3ef2c0ae82eef47c5d0fd9a42d177e3b32a2b49b5e6f3472fcb65961e5

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

Filesize
153KB

MD5
5436c948053c3aba03e156e33f9af863

SHA1
bec3fc6b93cb399718cc9d8b5aa055780fe62881

SHA256
7c2ae4af2ad0ea379c728e5629c153d73d4df553f1a1f8a5f284e51b96c519c3

SHA512
c42ec5d817984eb8403f683279a2bdb5ebdbd44f479b312b28988867b8f987661a75049b01a7d01abebbcf14db0027834be484b5e72ae662bee82a1faafd6dbf

Download Submit