Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
07/11/2024, 14:11
Behavioral task
behavioral1
Sample
ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe
Resource
win7-20240903-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe
- Size 93KB
- Sample241107-rhd2watelr
- SHA256 ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554
- MD5 b1e4348bc7b68f1f787e6ad7c8da0de0
- SHA1 b4e3219f1bedd337e7bea52d88fd4f6537bc7c87
- SHA512 0cf9fb62d817cd0eca4ef91cf24d8d6980affac55745d29972a5f7bd140925bbbbfebad5980f59df040dbd7311d58454388926036dfc09ddcd589f18e5c8a2bb
- SSDEEP 1536:V7Zf/FAxTW8w3r0ARZF6NFVogjQlRv/LM:fnybwIwUhQ7XQ
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (5024) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Executes dropped EXE 2 IoCs
pid Process 3980 Zombie.exe 2100 _checksum.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\Zombie.exe ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe File opened for modification C:\Windows\SysWOW64\Zombie.exe ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe -
resource yara_rule behavioral2/memory/1980-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b0f-6.dat upx behavioral2/files/0x000a000000023b63-11.dat upx behavioral2/memory/1980-25-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationProvider.resources.dll.tmp Zombie.exe File created C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-conio-l1-1-0.dll.tmp Zombie.exe File created C:\Program Files\Internet Explorer\de-DE\ieinstal.exe.mui.tmp Zombie.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\verify.dll.tmp Zombie.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-utility-l1-1-0.dll.tmp Zombie.exe File created C:\Program Files\Java\jre-1.8\legal\javafx\libxslt.md.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-ul-oob.xrm-ms.tmp Zombie.exe File created C:\Program Files\7-Zip\7-zip.chm.tmp Zombie.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\dxil.dll.tmp Zombie.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoDev.png.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ppd.xrm-ms.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer2019_eula.txt.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\react-native-win32.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientVolumeLicense_eula.txt.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Input.Manipulations.resources.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Classic.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp Zombie.exe File created C:\Program Files\dotnet\swidtag\Microsoft Windows Desktop Runtime - 7.0.16 (x64).swidtag.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.COMMON.DLL.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ul-phn.xrm-ms.tmp Zombie.exe File created C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.c.tmp Zombie.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.fr-fr.xml.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.resources.dll.tmp Zombie.exe File created C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterRegular.ttf.tmp Zombie.exe File created C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Diagnostics.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\AUDIOSEARCHLTS.DLL.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial-Times New Roman.xml.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Integration\C2RInt.16.msi.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-ppd.xrm-ms.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.BackEnd.XmlSerializers.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\TPN.txt.tmp Zombie.exe File created C:\Program Files\Java\jre-1.8\bin\javacpl.exe.tmp Zombie.exe File created C:\Program Files\Java\jre-1.8\lib\jfxswt.jar.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ppd.xrm-ms.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.DataStreamer.Excel.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART7.BDR.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\rtscom.dll.mui.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Primitives.resources.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-140.png.tmp Zombie.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.dll.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\WindowsBase.resources.dll.tmp Zombie.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp Zombie.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\colorimaging.md.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ppd.xrm-ms.tmp Zombie.exe File created C:\Program Files\Common Files\System\ado\adovbs.inc.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.NonGeneric.dll.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Xaml.resources.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLPROXY.DLL.tmp Zombie.exe File created C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp Zombie.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-filesystem-l1-1-0.dll.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Grace-ppd.xrm-ms.tmp Zombie.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Common.v4.0.Utilities.dll.tmp Zombie.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\cmm\CIEXYZ.pf.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\Configuration\card_terms_dict.txt.tmp Zombie.exe File created C:\Program Files\Microsoft Office\root\Office16\MSIPC\ThirdPartyNotices.txt.tmp Zombie.exe File created C:\Program Files\Common Files\microsoft shared\ink\th-TH\tipresx.dll.mui.tmp Zombie.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Zombie.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1980 wrote to memory of 3980 1980 ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe 83 PID 1980 wrote to memory of 3980 1980 ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe 83 PID 1980 wrote to memory of 3980 1980 ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe 83 PID 1980 wrote to memory of 2100 1980 ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe 84 PID 1980 wrote to memory of 2100 1980 ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe"C:\Users\Admin\AppData\Local\Temp\ce8f7172c1e39250aba32bdb9743078bc20e566dd9d6d0cec397ce1de3d10554.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\SysWOW64\Zombie.exe"C:\Windows\system32\Zombie.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3980
-
-
C:\Users\Admin\AppData\Local\Temp\_checksum.exe"_checksum.exe"2⤵
- Executes dropped EXE
PID:2100
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2878641211-696417878-3864914810-1000\desktop.ini.tmp
- Size 57KB
- SHA256 cf2ef88f529fac623fceb076053edc1734719c61419e1b302a715391fea2a809
- MD5 bce09ef5a638984d43a8d56c2c2c7ee4
- SHA1 ef123e8558992f4c177cab3a440c5989f3ffb4af
- SHA512 9194d9d11348979599aefd4303a2c133ad5ee66c4a3cc76dbdfd73935896eb96b82b1da01edd048208c32cad853520a67ad8c2d9010a0b9d05609a79d018b5c5
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rX:V7Zf/FAxTW8wZ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\_checksum.exe
- Size 35KB
- SHA256 9562aabe1f71d7ff5ec879fd2fb5cfe4be2c8f62a7fa5a1aa49660c3a495f1fb
- MD5 23f049f14ca0e68af4b9883514791dfe
- SHA1 1224ecfda221e54d4536a4ac102a56235320ee25
- SHA512 ce91cd089a299ba88f047cf15fd06673389942dabbf8be5bf2e2666e1048bc6da261ce30cae1e2ecb3b50392441a335bf97cc4ed51540554bedabe65590be677
- SSDEEP 768:W2aUriLtuRZFwdpyTmNSHSBLVogO6QlRSO/WDGZKga:zr0ARZF6NFVogjQlRv/L8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\Zombie.exe
- Size 57KB
- SHA256 6d32ba5e660f7538916cfc99be91dad803ffaaa8b5f3e235f5f775753421dfde
- MD5 b7b2922ff9d9f9af0e632740f7054b96
- SHA1 d8b51115a1fb334b8e57d6345769a958747d543e
- SHA512 558f811adc9056b198d7054a3ed575cd560d5ff973b832a8f0272c620a8d50e4b0d3cda62f90bee6f4945f4d811fce836eec6b51327e8f56b80c9e57e8fa0098
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rd:V7Zf/FAxTW8wD
- MD5 SHA1 SHA512 SSDEEP