237dc273f905a1f6f3643e83fc5388d05fe5533b9421c23697a541a794480f15

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 08:12

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General

Target

224c435737082bde6ddd2a8dd500c720_NEIKI.exe
Size

133KB
MD5

224c435737082bde6ddd2a8dd500c720
SHA1

6d7d7acb32d87d87e747ad9752a031e8cfd66f65
SHA256

237dc273f905a1f6f3643e83fc5388d05fe5533b9421c23697a541a794480f15
SHA512

cc46051b5dc7985d25c0518743d83a37c5bb5ae19c32347d9a5f599d4736025ff6a9a62a051fa6ed235bd8a5709af4a1a391bd3b3a9fb55de30242c15c852029
SSDEEP

3072:+nymCAIuZAIuYSMjoqtMHfhf7H0WH0rnb:JmCAIuZAIuDMVtM/1H0WH0P

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4847) 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/3584-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b3d-2.dat	upx
behavioral2/files/0x000800000002295e-6.dat	upx
behavioral2/memory/3584-1682-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\server\Xusage.txt.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-ul-oob.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ul-oob.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GR8GALRY.GRA.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ServiceProcess.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ppd.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-conio-l1-1-0.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsBase.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationClientSideProviders.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_LinkDrop32x32.gif.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libffi.md.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-locale-l1-1-0.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ul-oob.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-pl.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Forms.Primitives.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessVDI2019_eula.txt.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp6-ul-oob.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\ReachFramework.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\default_apps\external_extensions.json.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqloledb.rll.mui.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_K_COL.HXK.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.vsto.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\WindowsFormsIntegration.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Ping.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\7-Zip\Lang\mn.txt.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\LICENSE.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.onenotemui.msi.16.en-us.xml.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL109.XML.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\pt-BR\tipresx.dll.mui.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\bin\j2pkcs11.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Resources.ResourceManager.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Core.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemData.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\misc.exe.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RHeartbeatConfig.xml.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Input.Manipulations.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationCore.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationProvider.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGCORE.DLL.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\cs.pak.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Internet Explorer\it-IT\iexplore.exe.mui.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ul-phn.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.Vectors.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\bin\javaw.exe.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\msipc.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\123.0.6312.105.manifest.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\WindowsBase.resources.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\gstreamer.md.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-pl.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	224c435737082bde6ddd2a8dd500c720_NEIKI.exe

C:\Users\Admin\AppData\Local\Temp\224c435737082bde6ddd2a8dd500c720_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\224c435737082bde6ddd2a8dd500c720_NEIKI.exe"
1⤵
- Drops file in Program Files directory
PID:3584

Network

MITRE ATT&CK Matrix

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Downloads

C:\$Recycle.Bin\S-1-5-21-877519540-908060166-1852957295-1000\desktop.ini.tmp

Filesize
133KB

MD5
425a5d87a3c2071a628de6cb5bc5da66

SHA1
8914d294cc86a837225a6838056038ea875319c6

SHA256
5d37df95d1a97248ffbb80f5dabd89871c7dd7b2cedbdaf45060936aa3252e7c

SHA512
6a23a615c880236e140af07c18a1b54fc84a149bfd9e1159d6aae34c70defc1e38605918f490fdf51393dadf3141b8ae4a8984f3c5201acd068eb6a500d9141a

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

Filesize
232KB

MD5
5e0dc9dfb2abe2a9efb92ac376ef2586

SHA1
ad7d678a2a13657a31ca63ff4a76759a7478d5aa

SHA256
6a0f02967873cf19e4b1f77d2fcc6663c097a367f94fed6e236d4c004bc11eff

SHA512
bdd223840ad0ffc136e22f47fe0ef29a6097ba7c6b3bd74f2a2638325d6ecacfc154a002a076c9586f8aa88ffe041858c736b6c88cdeb0bf89b43596eb5c9889

Download Submit
memory/3584-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3584-1682-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads