f8db7b63a01d8b70c677407a8a63718d5dcfd151c0de58c83340537c065ea909

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 22:07

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General

Target

49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
Size

96KB
MD5

49b5a76f4bee18acfd6c2a8291943980
SHA1

1765a1706bbd7c47c1483613c58e32f702895bcd
SHA256

f8db7b63a01d8b70c677407a8a63718d5dcfd151c0de58c83340537c065ea909
SHA512

e1f021c9ae65a4954b6b3139d2d76f130f126527a4664995c6102634a041ddf7faa5d57bf9fe823fde9c74b5e64aa3e0ae0c4d0410341854c1974fa439165caa
SSDEEP

1536:Isz1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCow8hf3:hfAIuZAIuYSMjoqtMHfhf3

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (5017) 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/448-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000a0000000233de-2.dat	upx
behavioral2/files/0x0007000000022959-6.dat	upx
behavioral2/memory/448-1084-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\sw.txt.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.DataSetExtensions.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHKEY.DAT.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\vi\msipc.dll.mui.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\cardview-checkmark.png.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOInstallerUI.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr.jar.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ppd.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ppd.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ppd.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-pl.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Sybase.xsl.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\C2R64.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Send2.16.GrayF.png.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\bin\w2k_lsa_auth.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-oob.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul-oob.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MANIFEST.XML.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SAMPLES\SOLVSAMP.XLS.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-file-l1-2-0.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationFramework.resources.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Slice.thmx.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ppd.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-ppd.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE.HXS.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\VC\msdia100.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\Xusage.txt.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0000-1000-0000000FF1CE.xml.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-processthreads-l1-1-1.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-phn.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\ReachFramework.resources.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Xaml.resources.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\JAWTAccessBridge-64.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Marquee.xml.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140_1.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\lib\fontconfig.bfc.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterBold.ttf.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AdeModule.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Dynamic.Runtime.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-console-l1-2-0.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ppd.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONRES.DLL.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Debug.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-localization-l1-2-0.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GKPowerPoint.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Extensions.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-pl.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-oob.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OART.DLL.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationTypes.resources.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-locale-l1-1-0.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationTypes.dll.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-pl.xrm-ms.tmp	49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe

C:\Users\Admin\AppData\Local\Temp\49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\49b5a76f4bee18acfd6c2a8291943980_NEIKI.exe"
1⤵
- Drops file in Program Files directory
PID:448

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3906287020-2915474608-1755617787-1000\desktop.ini.tmp

Filesize
96KB

MD5
a08a90743095aa9304e1bb2f51d70d60

SHA1
7c8a373d0779ad5484e6ff68a6ec4891a1b0f4fd

SHA256
2e2f2511dd4c26610f94ad09485ce0cd93f27291ca9e82010898c84c84601cde

SHA512
3d025e8cd2c05c5458949e3460d5959a273d1ca7e2bb2feeb7088494bb41626a6874a99eea49f42a69f1bb74b1f850838051b441629daacc34091cd668de88f6

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

Filesize
195KB

MD5
04e2d91b6473fc779f5590c991e2a031

SHA1
23b46efdc9e1896f1cf5195aac0b87c0147e5ad4

SHA256
78067e2543d6a5d96c734d2b5fe0f928574a56cd3981b5800e1793fa6db62379

SHA512
551b8433532dd09cef093b4b137373188356df01d61a89eb966f1100b0a8526900f876d9fbc6f2fbf74c6f7b6c0610c3f6a1a3ef94d36315f57e357f80e63d70

Download Submit
memory/448-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/448-1084-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads