Analysis Overview
SHA256
e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361
Threat Level: Known bad
The file e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361 was found to be: Known bad.
Malicious Activity Summary
Cosmu family
Detects Cosmu payload
Cosmu
Renames multiple (5220) files with added filename extension
Executes dropped EXE
Drops file in System32 directory
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-07-03 05:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-07-03 05:27
Reported
2025-07-03 05:29
Platform
win10v2004-20250610-en
Max time kernel
150s
Max time network
137s
Command Line
Signatures
Cosmu
Cosmu family
Detects Cosmu payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Renames multiple (5220) files with added filename extension
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\_createdump.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\Zombie.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Zombie.exe | C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\Zombie.exe | C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Java\jdk-1.8\jre\bin\jpeg.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\legal\jdk\ecc.md.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-white_scale-100.png.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\rsod\dcfmui.msi.16.en-us.boot.tree.dat.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\ipscsy.xml.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\jre\bin\glib-lite.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet.xml.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ppd.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHSRN.DAT.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-synch-l1-1-0.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.deps.json.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ppd.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ppd.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\FPA_f3\FA000000003.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ONBttnOL.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\include\jni.h.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ppd.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\Resources.pri.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Xml.XmlSerializer.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\System\ado\msador15.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\System.Transactions.Local.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\System.Windows.Forms.Design.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\1033\offsyml.ttf.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l1-2-0.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClient.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Input.Manipulations.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\cs\PresentationCore.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ppd.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\MSIPC\cs\msipc.dll.mui.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationTypes.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Google\Chrome\Application\133.0.6943.60\Locales\zh-TW.pak.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.config.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN097.XML.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\PROOF\MSGR8EN.LEX.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\bin\plugin2\msvcp140.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-ul-oob.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-oob.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-pl.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\MSO.FRAMEPROTOCOLWIN32.DLL.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected] | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationUI.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ink\pt-BR\tipresx.dll.mui.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClientSideProviders.resources.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\System.Security.Cryptography.Xml.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-memory-l1-1-0.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\bin\vcruntime140_1.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Java\jre-1.8\lib\psfontj2d.properties.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ul-oob.xrm-ms.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClientIsv.man.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\Common Files\System\Ole DB\sqlxmlx.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
| File created | C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Debug.dll.tmp | C:\Windows\SysWOW64\Zombie.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\Zombie.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3352 wrote to memory of 4060 | N/A | C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe | C:\Users\Admin\AppData\Local\Temp\_createdump.exe |
| PID 3352 wrote to memory of 4060 | N/A | C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe | C:\Users\Admin\AppData\Local\Temp\_createdump.exe |
| PID 3352 wrote to memory of 4444 | N/A | C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe | C:\Windows\SysWOW64\Zombie.exe |
| PID 3352 wrote to memory of 4444 | N/A | C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe | C:\Windows\SysWOW64\Zombie.exe |
| PID 3352 wrote to memory of 4444 | N/A | C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe | C:\Windows\SysWOW64\Zombie.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe
"C:\Users\Admin\AppData\Local\Temp\e7d974fb9c76f1a4afdb7c266f27b9227aeaba8809932f833a47f1f2b6fc5361.exe"
C:\Users\Admin\AppData\Local\Temp\_createdump.exe
"_createdump.exe"
C:\Windows\SysWOW64\Zombie.exe
"C:\Windows\system32\Zombie.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.179.227:80 | c.pki.goog | tcp |
Files
C:\Windows\SysWOW64\Zombie.exe
| MD5 | 0b56482e76bc589939b1556b4b3cd020 |
| SHA1 | aeda9a8d275a57cc74ada41988ae1b12400a4205 |
| SHA256 | 433ba76b16991acad4c04c4b90b84660454cbd26892de5fc93fa9c379c2559c7 |
| SHA512 | 2321d5960b8c7cbf94a2c6eee44fab50cd582030b337aa1528f11444237e9680228c62a64e7237551323e046f21df460f86ae86da82ff54ad8fe93469eccafd9 |
C:\Users\Admin\AppData\Local\Temp\_createdump.exe
| MD5 | a05b36f6129223951282f9df776761b1 |
| SHA1 | ec87fa41a670cffa5d77f64366fe109278661f2c |
| SHA256 | 5113e7ae92f3a7aebc7f8e363209866d4d743b06a26c67e0886979a56fd3a10d |
| SHA512 | 38b588b28057994305a3abc37d98770ab7ff905cba6da35e91b2936b99823955fc91b90a23174d53337dd62e320b9bac066b76734bf657de9fad6d37071c70da |
C:\$Recycle.Bin\S-1-5-21-3001560346-2020497773-4190896137-1000\desktop.ini.exe
| MD5 | 6cf8daa1802afe093cfe70c1488ff7ca |
| SHA1 | 3ac3a814fc3a32282666c921f3e0202cfa19939b |
| SHA256 | 15bc67893d18046731d4377d8b6f4d7cea86f5e1d88137526d2d915f94f04ec4 |
| SHA512 | 1b66f27fdc053cf1c8f2d574bdb3c576c4664a157419810f786a4a6a01c165f3e745492c7f8646d8a84c8a47bf3a17e1fddaa79096165558687a2e876899c382 |
memory/3352-23-0x0000000000400000-0x0000000000407000-memory.dmp