a06c6721f446614fcb482932f6c12f649af882d526c0350607fa663eb2cc3778

Analysis

max time kernel
150s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 23:28

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General

Target

65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
Size

172KB
MD5

65a2f438e5a7656c75c2e7fed6ebfc60
SHA1

89dbf410dfa331436b8392f6b2f42257df6ddd0f
SHA256

a06c6721f446614fcb482932f6c12f649af882d526c0350607fa663eb2cc3778
SHA512

4b22ced6dea39ca9edf50866a2b271c862e6c099d386604f727de879dcfdef1f40a6d2a884fc0e87c419c8505be44f74a9029928399d6b362bf84fdb6dc0ab1b
SSDEEP

3072:fnymCAIuZAIuYSMjoqtMHfhfBnjFAW+FmD:KmCAIuZAIuDMVtM//nqoD

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4727) 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/2872-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000d000000023b25-2.dat	upx
behavioral2/files/0x0008000000022972-7.dat	upx
behavioral2/memory/2872-1626-0x0000000000400000-0x000000000040B000-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\ja\System.Xaml.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-string-l1-1-0.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\lib\charsets.jar.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.PPT.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-180.png.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.Design.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\meta-index.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSM.OSM.x-none.msi.16.x-none.xml.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-timezone-l1-1-0.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Sockets.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PenImc_cor3.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Slice.thmx.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\7-Zip\Lang\nb.txt.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green Yellow.xml.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-synch-l1-2-0.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-phn.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\DRUMROLL.WAV.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOCR.DLL.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Resources\1033\PowerPivotExcelClientAddIn.rll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcer.dll.mui.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationCore.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-pl.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONBttnWD.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Json.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationProvider.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterBold.ttf.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentfallback.xml.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\7-Zip\Lang\ja.txt.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-100.png.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationTypes.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-ul-oob.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-pl.xrm-ms.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-100.png.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.Primitives.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\PresentationFramework.resources.dll.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\glib.md.tmp	65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe

C:\Users\Admin\AppData\Local\Temp\65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\65a2f438e5a7656c75c2e7fed6ebfc60_NEIKI.exe"
1⤵
- Drops file in Program Files directory
PID:2872

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2860750803-256193626-1801997576-1000\desktop.ini.tmp

Filesize
172KB

MD5
877ba4e828bf46a75da2106f1d66683f

SHA1
0bcd0f6e461de1d0c0c99e0aa956a6b0f34cb974

SHA256
018451bcfac53b52891d602da363374d36122b0984690f95951b3ff5d19226e0

SHA512
b47fa3ddccd3d24efd8bf67984734b1da1f78de7de4f34d95872bb24ac0e83f8dc149685b63ede4ff6fe1fe6a8eca4e149a850fd771f3cafb0a184980e925460

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

Filesize
271KB

MD5
634c4383484f8e5709516bfcb1571017

SHA1
72d09b3c652fbf8c0ad31270178fdbc6396bdbb9

SHA256
55f272036e48c24c057115913230677309795e2e5f902f8553af2ee1c4f24129

SHA512
538cd25925c55a76457326fcce93822bc0c924c4f1fd88c1534b332218a1d30862c0c6f3fe303d672e731467b4fe66844138a96bccb710e974b9f578c0488265

Download Submit
memory/2872-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2872-1626-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads