769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 03:35

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General

Target

769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe
Size

7.3MB
MD5

6729048bb8f383f975b4980a8f2c4d90
SHA1

a1b5311179da5a7e39eba257d9c9e16ab0bfc2aa
SHA256

769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258
SHA512

6eac771add0dd9aa04d4da13a1ae7e0c32d2a336bfcad02cc91d73e0340e834e86e81befbd931dbb08eb71b8ba220e8ccb60573a5c4004f99cfa88fd62322ad6
SSDEEP

98304:QtzqBZMMEM0MUMRMxMwMkfqbjxbSzGVr4W11/KsZfGpWqOJwNC:CqBZtlV1qKpkfqbjeGVr4wZfNnJwo

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (5188) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Executes dropped EXE 2 IoCs

pid	Process
3164	Zombie.exe
3728	_choco.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1216-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0007000000023463-7.dat	upx
behavioral2/memory/3164-9-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0005000000022f58-5.dat	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Zombie.exe	769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe
File created	C:\Windows\SysWOW64\Zombie.exe	769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVCatalog.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationClientSideProviders.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\bin\ktab.exe.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL086.XML.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Send2.16.GrayF.png.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL118.XML.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXC.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelTellMeOnnxModel.bin.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\tipresx.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.Primitives.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\include\classfile_constants.h.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\hijrah-config-umalqura.properties.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL016.XML.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PG_INDEX.XML.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-br.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XDocument.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.Messages.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Constantia-Franklin Gothic Book.xml.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Design.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\ReachFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jaas_nt.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Excel.Excel.x-none.msi.16.x-none.xml.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-pl.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\rsod\officemuiset.msi.16.en-us.boot.tree.dat.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\ReachFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\EXCELPLUGINSHELL.DLL.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Common.Wizard.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Ping.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Xaml.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\meta-index.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Forms.Primitives.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\lt.pak.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\Bibliography\BIBFORM.XML.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\bin\kinit.exe.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Practices.Unity.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\DATATRANSFORMERWRAPPER.DLL.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ar\msipc.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Layout.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceProcess.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_it.properties.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.runtimeconfig.json.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.Design.resources.dll.tmp	Zombie.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3728	_choco.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 3164	1216	769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe	83
PID 1216 wrote to memory of 3164	1216	769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe	83
PID 1216 wrote to memory of 3164	1216	769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe	83
PID 1216 wrote to memory of 3728	1216	769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe	84
PID 1216 wrote to memory of 3728	1216	769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe	84

C:\Users\Admin\AppData\Local\Temp\769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\769e75a3c7372d289ef5ae598155a5d9c50a873e32431196228bf210eb154258_NeikiAnalytics.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Windows\SysWOW64\Zombie.exe
  "C:\Windows\system32\Zombie.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:3164
- C:\Users\Admin\AppData\Local\Temp\_choco.exe
  "_choco.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3728

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3169499791-3545231813-3156325206-1000\desktop.ini.tmp

Filesize
17KB

MD5
c258dfa354041e54564c2b2b0b51092a

SHA1
428ff406ad418583c9622b5950210971f780fbdf

SHA256
24505a2763092e5f99d596e4f69a6c0a8ef1d74745afd76f22e72d7c02707f56

SHA512
ca5c61a5e56de1c5dc5534014b1c927e337a6330b7536ddb343e0164304bc5cf9014e1a276cb4e07e6c648d087ddcb2dcf75192b3991cfc56a1c06ebd8ab84ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\_choco.exe

Filesize
7.3MB

MD5
dd6b75a77601d62ac66df1b0a51a7de3

SHA1
699fc35deccb0cd6e341420903fc993535c2c98f

SHA256
2f46a1d48e1589e0aa10f215e77cb48fb90c531e19aa3c05d766f59b449f3c15

SHA512
43bd57e5379c22494aade734a45a443722327d48c7f06aa521048c99adba576e29bd70bba7bd28ba94f8f24f88efed7b8e5a1b3249cbfcb4d95fd0bc1f424d86

Download Submit
C:\Users\Admin\AppData\Local\Temp\config\chocolatey.config.3728.update

Filesize
9KB

MD5
14ffcf07375b3952bd3f2fe52bb63c14

SHA1
ab2eadde4c614eb8f1f2cae09d989c5746796166

SHA256
6ccfdb5979e715d12e597b47e1d56db94cf6d3a105b94c6e5f4dd8bab28ef5ed

SHA512
14a32151f7f7c45971b4c1adfb61f6af5136b1db93b50d00c6e1e3171e25b19749817b4e916d023ee1822caee64961911103087ca516cf6a0eafce1d17641fc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\config\chocolatey.config.backup

Filesize
809B

MD5
8b6737800745d3b99886d013b3392ac3

SHA1
bb94da3f294922d9e8d31879f2d145586a182e19

SHA256
86f10504ca147d13a157944f926141fe164a89fa8a71847458bda7102abb6594

SHA512
654dda9b645b4900ac6e5bb226494921194dab7de71d75806f645d9b94ed820055914073ef9a5407e468089c0b2ee4d021f03c2ea61e73889b553895e79713df

Download Submit
C:\Users\Admin\AppData\Local\Temp\logs\chocolatey.log

Filesize
2KB

MD5
d2a445318de4bc0a88cd23fce683a4d6

SHA1
0c60cad123509131637a47216c81df8e654339cb

SHA256
5ae2c707c8d3eab289a67d2f7c75649dc82c4fc97318c377cd2d12a5ca0ebfab

SHA512
f2454d2bc35d9b2c88de209ca2a117f2e82bc86f17432b394bf13a4ae0e109c606dc9cc544974bce03c93f07eb66735aa692b451882865f034c4ca85c710b9b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\logs\chocolatey.log

Filesize
4KB

MD5
a7ddf839f487783036ac4c40fe6388e9

SHA1
771722f1ed4880593228965f363a2faf0ad06168

SHA256
60d188b40b389896ed36f8e99b029f9470c99a67ab295111e0efa67a9b8e797c

SHA512
b136661cc9b8e463a11b646ac091a82385f61fe6cb08f1f5a12b9f10ca99c072403d7161df60a4daa71c54ab566a2aa40b744e0d553c06dffc678ac39250928e

Download Submit
C:\Users\Admin\AppData\Local\Temp\redirects\cpush.exe.ignore

Filesize
2B

MD5
81051bcc2cf1bedf378224b0a93e2877

SHA1
ba8ab5a0280b953aa97435ff8946cbcbb2755a27

SHA256
7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6

SHA512
1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d

Download Submit
C:\Windows\SysWOW64\Zombie.exe

Filesize
17KB

MD5
b91a12e189a09276e21038f4e5b30546

SHA1
00edb2787fc78fca42c3468f437f33a56673071c

SHA256
b98ff84ca0782c70c06ee561c8fccee780e575d4e7d6bfa45b86b7f47b31db04

SHA512
a79444eb8634e3614b35f9484d4ca649bcc9f7f5ab0507a596e59458f2cda2fc1f05373775b8288bbdb52102a9a92960a8434eee201482b3a586c1a30434f87f

Download Submit
memory/1216-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3164-9-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3728-289-0x0000000001B10000-0x0000000001B30000-memory.dmp

Filesize
128KB

Download
memory/3728-322-0x000000001C150000-0x000000001C1C6000-memory.dmp

Filesize
472KB

Download
memory/3728-325-0x0000000003480000-0x000000000349E000-memory.dmp

Filesize
120KB

Download
memory/3728-321-0x000000001BF20000-0x000000001BF70000-memory.dmp

Filesize
320KB

Download
memory/3728-271-0x00007FF832A60000-0x00007FF833521000-memory.dmp

Filesize
10.8MB

Download
memory/3728-232-0x0000000000BE0000-0x0000000001326000-memory.dmp

Filesize
7.3MB

Download
memory/3728-99-0x00007FF832A63000-0x00007FF832A65000-memory.dmp

Filesize
8KB

Download
memory/3728-440-0x00007FF832A60000-0x00007FF833521000-memory.dmp

Filesize
10.8MB

Download