c76ac0f265edb1a6e0c86e7458c04adc6dadbd18edcebcc5be807fe39d0385e6

General

Target

a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe
Size

80KB
MD5

a8238560a26002ca69435c74e9625ff0
SHA1

20feba6805079870490e84aa9cedf196eb825441
SHA256

c76ac0f265edb1a6e0c86e7458c04adc6dadbd18edcebcc5be807fe39d0385e6
SHA512

a449e20eb8ac51068630c2981e055a36ceefbc981904003dbb2fa3092775a259abab3d6bb8d0180b48e746eefb53c25d6ad63dc139c752670cef0df5f022cb8f
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8wr0ARZF6NFVogjQlRv/Lq:KQSoMwUhQ7Xu

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (5025) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Executes dropped EXE 2 IoCs

Processes:

Zombie.exe_checksum.exe

pid process

1844 Zombie.exe
2692 _checksum.exe

pid	process
1844	Zombie.exe
2692	_checksum.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1736-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
C:\Windows\SysWOW64\Zombie.exe	upx
C:\$Recycle.Bin\S-1-5-21-3571316656-3665257725-2415531812-1000\desktop.ini.exe	upx
behavioral2/memory/1736-34-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Zombie.exe	a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\Zombie.exe	a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe

Drops file in Program Files directory 64 IoCs

Processes:

Zombie.exe

description	ioc	process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\cryptix.md.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-pl.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_Subscription-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Thread.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-pl.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationTypes.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\bin\jaas_nt.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ul-phn.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest1-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Xml.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_F_COL.HXK.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Cryptography.ProtectedData.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Input.Manipulations.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsBase.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Shims.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.TraceSource.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\VisualElements\LogoBeta.png.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\npdeployJava1.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-ppd.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\offreg.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\PresentationFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\110.0.5481.104\Locales\pt-BR.pak.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\accessibility.properties.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PPCORE.DLL.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\msgrammar8.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Input.Manipulations.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_sw.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklist.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-math-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-oob.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.DiaSymReader.Native.amd64.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Controls.Ribbon.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\bin\servertool.exe.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp2-ul-phn.xrm-ms.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\DataStreamerLibrary.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL121.XML.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.Primitives.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Xaml.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\w2k_lsa_auth.dll.tmp	Zombie.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\HintBarEllipses.16.GrayF.png.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	Zombie.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe

description	pid	process	target process
PID 1736 wrote to memory of 1844	1736	a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe	Zombie.exe
PID 1736 wrote to memory of 1844	1736	a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe	Zombie.exe
PID 1736 wrote to memory of 1844	1736	a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe	Zombie.exe
PID 1736 wrote to memory of 2692	1736	a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe	_checksum.exe
PID 1736 wrote to memory of 2692	1736	a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe	_checksum.exe

C:\Users\Admin\AppData\Local\Temp\a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\a8238560a26002ca69435c74e9625ff0_NeikiAnalytics.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\Zombie.exe
"C:\Windows\system32\Zombie.exe"
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:1844

C:\Users\Admin\AppData\Local\Temp\_checksum.exe
"_checksum.exe"
2⤵
- Executes dropped EXE
PID:2692

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3571316656-3665257725-2415531812-1000\desktop.ini.exe
Filesize
45KB

MD5
812f8d3ee05d809e487eb0683d329072

SHA1
d3891f61c9c8d306d9571fb7ab1dca67e8fb952d

SHA256
2fad8fa6f9c18cefcceba257f534962025d7b524bd2aa74fca02822b0ab6d55f

SHA512
c189b566d41840958e55518b0773f6f47031d82c65c7f5e57d7a8767b7f82d0998724f366057e89e937328f639e03e1dbe098824b44c3a515be61f721a3358f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\_checksum.exe
Filesize
35KB

MD5
23f049f14ca0e68af4b9883514791dfe

SHA1
1224ecfda221e54d4536a4ac102a56235320ee25

SHA256
9562aabe1f71d7ff5ec879fd2fb5cfe4be2c8f62a7fa5a1aa49660c3a495f1fb

SHA512
ce91cd089a299ba88f047cf15fd06673389942dabbf8be5bf2e2666e1048bc6da261ce30cae1e2ecb3b50392441a335bf97cc4ed51540554bedabe65590be677

Download Submit
C:\Windows\SysWOW64\Zombie.exe
Filesize
44KB

MD5
0ce45d93e687951f556b7fc0db6f020c

SHA1
3feb677dc28d77ee94fc8783597524cc89e5ad73

SHA256
c0dcd5359d24c256b36c799da7fc982348b73f2e36783e4995c1a6d2c6b44013

SHA512
9c2c33b503b592c9a7d668dd00cac4f3abaa38e0a78f334167ecae33d419187e475968d53ccf0d0b882b9250551fe20b7f5aa21bffa825b9a7f8c2f043d0b970

Download Submit
memory/1736-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1736-34-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2692-23-0x00007FFFE3423000-0x00007FFFE3425000-memory.dmp

Filesize
8KB

Download
memory/2692-20-0x0000000000D60000-0x0000000000D6E000-memory.dmp

Filesize
56KB

Download
memory/2692-31-0x00007FFFE3420000-0x00007FFFE3EE1000-memory.dmp

Filesize
10.8MB

Download
memory/2692-1837-0x00007FFFE3420000-0x00007FFFE3EE1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads