Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/08/2026, 19:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe
- Size 28KB
- Sample260820-xnsp4sfc89
- SHA256 6425def9b1c0f6f5ec4dd4a52ead2b1e7639f0944f37131fefde53f7ebff5efd
- MD5 84cfcb934491d2f9609152cf82ea730f
- SHA1 399bcc59d072c74a6cb1eae651ec70ca697734e6
- SHA512 8a0ed3746cca8017772efa4073fa2683b22f84ab37ae4123131a1f2d5a7954d79fc339d98d760ca2c2de61a6f2ed2902f0f659a7e4023541c237578d8280eb32
- SSDEEP 768:aW29n/P4/C9tY+gJXokQGPL4vzZq2o9W7GsxBbPr:wPZnYro3GCq2iW7z
- TLSH T184D2BE43EE8058B2CFDD107120372956CBAB62309BA9B6E7EB5144660DF5690FC7A01F
- 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/748-8-0x00000000002E0000-0x00000000002E9000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x001b0000000242e8-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/748-6-0x00000000002E0000-0x00000000002E9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/748-8-0x00000000002E0000-0x00000000002E9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x001b0000000242e8-3.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-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation kBlXDa.exe - Executes dropped EXE 1 IoCs
pid Process 748 kBlXDa.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe kBlXDa.exe File opened for modification C:\Program Files\7-Zip\7zG.exe kBlXDa.exe File opened for modification C:\Program Files\dotnet\dotnet.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe kBlXDa.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe kBlXDa.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe kBlXDa.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe kBlXDa.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 kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe kBlXDa.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE kBlXDa.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE kBlXDa.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe kBlXDa.exe File opened for modification C:\Program Files\7-Zip\7z.exe kBlXDa.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 1372 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 2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kBlXDa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3440 wrote to memory of 748 3440 2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe 86 PID 748 wrote to memory of 1372 748 kBlXDa.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Users\Admin\AppData\Local\Temp\kBlXDa.exeC:\Users\Admin\AppData\Local\Temp\kBlXDa.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:748 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\64740c83.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:1372
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\64740c83.bat
- Size 187B
- SHA256 874b5d6caab4e97e342405a40e3be2e7b006430381c4d8cbda170ee7516c6bcd
- MD5 0a3deb678a19a376d406b5cd4c8317f7
- SHA1 0a8bb61154c0eae98ade85fec48b31f33b962769
- SHA512 c70564fa16dedd19fa7c566b96897026eb59c897334d241fdf8eedbfaadf743a401e5a048dee83e19877030d168a0994f3fb92b7e14822460170b120cade92d1
- TLSH T136C012018186CA59145C51270AE1A54CC06508ED3F9A2B194B21849C61A644DB5C7341
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\kBlXDa.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH