fdc5e269db6f8f709c4c2b1634a26e4bfe1717db24fdc6d4a52338afadf4b123

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, 18:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

27ff3b468f97a8e116b822635d731d12_NEAS.exe
Size

121KB
MD5

27ff3b468f97a8e116b822635d731d12
SHA1

65c8088c54b6749c4b5bc3c333a325bdc61a0e0a
SHA256

fdc5e269db6f8f709c4c2b1634a26e4bfe1717db24fdc6d4a52338afadf4b123
SHA512

54ceeb105d6bd21ad1f83c7fc106ee47cced3ee9cb481e0ac6f8d4bb9ef75d971dd5a2adbcf9cd4efa8922e7a913a7085ed9ad6aa6a75438c549ca23542b03f7
SSDEEP

1536:Isz1++PJHJXFAIuZAIuekc9zBfA1OjBWgOI3uicwa+shcBEN2iqxtdSCow8hfliB:hfAIuZAIuYSMjoqtMHfhflixisXxX9

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (4816) 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/888-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c000000023b5f-2.dat	upx
behavioral2/files/0x000800000002295e-6.dat	upx
behavioral2/memory/888-786-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\msoia.exe.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OART.DLL.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-runtime-l1-1-0.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.MemoryMappedFiles.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Slice.thmx.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ul-oob.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_OEM_Perp-ppd.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrl.xml.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-phn.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ru\msipc.dll.mui.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msproof7.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Contracts.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ul-oob.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\SubsystemController.man.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jaccess.jar.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-pl.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ppd.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClient.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ul-oob.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ppd.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-pl.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL020.XML.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Primitives.resources.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN048.XML.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dom.md.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-pl.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\libGLESv2.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-debug-l1-1-0.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\classes.jsa.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-80.png.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYMXL.TTF.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\el-GR\tipresx.dll.mui.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Xaml.resources.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul-oob.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_K_COL.HXK.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ANALYS32.XLL.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-100.png.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-timezone-l1-1-0.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationCore.resources.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-pl.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Crashpad\settings.dat.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\icudtl.dat.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-pl.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_company.png.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework-SystemXml.dll.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ppd.xrm-ms.tmp	27ff3b468f97a8e116b822635d731d12_NEAS.exe

C:\Users\Admin\AppData\Local\Temp\27ff3b468f97a8e116b822635d731d12_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\27ff3b468f97a8e116b822635d731d12_NEAS.exe"
1⤵
- Drops file in Program Files directory
PID:888

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
121KB

MD5
9b4852014c1f5028898f83bd99c0e3a2

SHA1
d2af6672926af20ad0aec6ccca91ba637246fc22

SHA256
0c31f82a6c1b6e004cea1743afdfd954ffa03e39ddb687c43814ee8f3fd55ca1

SHA512
2d86d42dc0f2c52a7975ab32b53ead7838b23e11bf87ea114ca8db64af63d0d4f090d679fb4558fe30fa3c7a82903ccb05d5968fbf8b1b38108682a57f5cffd5

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

Filesize
220KB

MD5
004958e7a4b85522dc7ebb9733a855e5

SHA1
91b1995baace8ce1259e0eeb4c9f74b528d1f10c

SHA256
5ac52a719d37d8c6963f17842599c577449f502fa0f271d67e613ae34d96d06b

SHA512
8c6ff04014a826f1373d13ff73abb1838bf558312509eb380126b130f3b259ffc615dcc9410624e01ab34dc44e37d4d2173f970c37bf9ee23a25ab406064e717

Download Submit
memory/888-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/888-786-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads