Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
27/08/2026, 07:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-27_ddef35c921ec1f637a25b2af13969f21_elex_smoke-loader_wannacry_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-08-27_ddef35c921ec1f637a25b2af13969f21_elex_smoke-loader_wannacry_wapomi.exe
- Size 342KB
- Sample260827-htr87sek21
- SHA256 15f2da79be0c540302783758482d6c5a66917e883edae38724b43a1929880edf
- MD5 ddef35c921ec1f637a25b2af13969f21
- SHA1 d76cb06ffab6f475f56fb7dec5b9d1becfd4c900
- SHA512 b986e35bf21d73c034428deedbd8c577b3b769ffbee348140502fc55951698b96bd4f6e3c5930e25f907461a18b04c2efa5fe46e7b543f0c7b8ce789c818b9c6
- SSDEEP 6144:16pw2D8rudpuP4bMGmJNiQRGeXzynZUa1ZGtR/:QpBACpbMjcQRGCynmg
- TLSH T15E747C117FF4C07AD6630632CF5E5BE5A0FABAA54D20494763C41A2DAB78C82D235F2D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
bdaejec
C2
-
ddos.dnsnb8.net
Signatures
- Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/1512-36-0x0000000000240000-0x0000000000249000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x0005000000009db7-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/1512-4-0x0000000000240000-0x0000000000249000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/1512-36-0x0000000000240000-0x0000000000249000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x0005000000009db7-3.dat aspack_v212_v242 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-876885714-46325919-1482798410-1000\Control Panel\International\Geo\Nation WnkVWK.exe - Executes dropped EXE 1 IoCs
pid Process 1512 WnkVWK.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe WnkVWK.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe WnkVWK.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE WnkVWK.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe WnkVWK.exe File opened for modification C:\Program Files\7-Zip\7z.exe WnkVWK.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE WnkVWK.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe WnkVWK.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4920 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-27_ddef35c921ec1f637a25b2af13969f21_elex_smoke-loader_wannacry_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WnkVWK.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4424 wrote to memory of 1512 4424 2026-08-27_ddef35c921ec1f637a25b2af13969f21_elex_smoke-loader_wannacry_wapomi.exe 85 PID 1512 wrote to memory of 4920 1512 WnkVWK.exe 107
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-27_ddef35c921ec1f637a25b2af13969f21_elex_smoke-loader_wannacry_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-27_ddef35c921ec1f637a25b2af13969f21_elex_smoke-loader_wannacry_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Users\Admin\AppData\Local\Temp\WnkVWK.exeC:\Users\Admin\AppData\Local\Temp\WnkVWK.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\583c195f.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4920
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GI7SXTIE\k2[1].rar
- Size 1B
- SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
- MD5 68b329da9893e34099c7d8ad5cb9c940
- SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
- SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\0A91393B.exe
- Size 1B
- SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
- MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
- SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
- SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\583c195f.bat
- Size 187B
- SHA256 4a73a3b9c31bb75645e889bfe07a015cf4cd4a25e9bb21ce6ad873c4d79f9785
- MD5 005c63306c100a05a7f33abe2ac2e768
- SHA1 e1017a5d1ae7c6e2c2b6c901b0d471c951e2f662
- SHA512 7c55ded9223323b78fea9a5856cc470b85e902d7b208d323d1254e75f1452256d40611c4ecc52a9e9513a92edad1cfc0e37adbc9d2bf5200bb829825b01ae84c
- TLSH T198C0120182E6C6595464601706E6B1CEC075086C7B6D2F729B31855C759641DB5D3341
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\WnkVWK.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- TLSH T1A462BFB34FC098FFC4CD353341853687CB7B4670DABA617F826288372895E19AC55495
- MD5 SHA1 SHA512 SSDEEP TLSH