Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/08/2026, 11:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe
- Size 5.7MB
- Sample260818-nyl6msam6v
- SHA256 83b247fa707a459997a01120005f26ca2fb6671a1fab40b2bc5a3a44c334abe2
- MD5 1b00540e8b37c54a6ce78ccaed8723dd
- SHA1 8c351571114d5ef3eae1ce8aa78ac131193d7688
- SHA512 49d7a5c55863db2ed714937147b578f152580ed02e2df7ac360fbe25674da09d122a757050f35f40bb5b07469d4480a7fd0a1fd54735becf05b3e31e3c0318bf
- SSDEEP 98304:tCY2wl326vssJOUZtZHnFZByHFwhbOFOJ3qNyyceVYt7yPdFeA7zWN3MqxfwPPzR:tCc31vss8MtZHtcwI0J3qNTceet7yfmW
- TLSH T11F56335B3981E1EDE0C21C71B51E7FD302B2AB264DD185352E823D8154A2FBBA19F16F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
bdaejec
C2
-
ddos.dnsnb8.net
Signatures
- Detects Bdaejec Backdoor. 2 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/3240-6-0x0000000000E00000-0x0000000000E09000-memory.dmp family_bdaejec_backdoor behavioral1/memory/3240-8-0x0000000000E00000-0x0000000000E09000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x000a0000000243cc-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/3240-6-0x0000000000E00000-0x0000000000E09000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/3240-8-0x0000000000E00000-0x0000000000E09000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x000a0000000243cc-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-1-5-21-2937465464-4167303362-2236413517-1000\Control Panel\International\Geo\Nation oakVHj.exe - Executes dropped EXE 1 IoCs
pid Process 3240 oakVHj.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4448 2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE oakVHj.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe oakVHj.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 oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe oakVHj.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe oakVHj.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE oakVHj.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe oakVHj.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe oakVHj.exe File opened for modification C:\Program Files\7-Zip\7z.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe oakVHj.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe oakVHj.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe oakVHj.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe oakVHj.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE oakVHj.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 4368 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 2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language oakVHj.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4448 wrote to memory of 3240 4448 2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe 84 PID 3240 wrote to memory of 4368 3240 oakVHj.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Users\Admin\AppData\Local\Temp\oakVHj.exeC:\Users\Admin\AppData\Local\Temp\oakVHj.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:3240 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\14b65053.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4368
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\14b65053.bat
- Size 187B
- SHA256 1cd8ffdc796e709292d0293260b649b1dd8b4a5393b7e16520d6b7c7c05fddd6
- MD5 3cc8ca4ca88915151706e6b1a8e7f9bb
- SHA1 27b2f615092ee92b819238c71283912eb0bd0e82
- SHA512 db57a9e96aa7e77366b0e39c28b675e73d9d302460eb6fdf5cb9bd2f7d22f0c2a16ade5c0ad090e7a5b348b3417da8091c3f1f14cadbfe2c004093a30d51c3bb
- TLSH T192C01202828BC76A1856A43B2AE1618EE07589A83BC96B216F30C45C71E780EFAC3301
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\oakVHj.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH