Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 behavioral2/memory/460-9-0x0000000000A40000-0x0000000000A49000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x000d00000001b89b-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/460-5-0x0000000000A40000-0x0000000000A49000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/460-9-0x0000000000A40000-0x0000000000A49000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d00000001b89b-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 460 WnkVWK.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Windows Defender\mpextms.exe WnkVWK.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.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\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE WnkVWK.exe File opened for modification C:\Program Files\Windows Defender\MpDlpService.exe WnkVWK.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseCM.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.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\excelcnv.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE WnkVWK.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.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\Java\jdk-1.8\bin\policytool.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.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\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.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\Java\jre-1.8\bin\rmiregistry.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.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\DCF\Common.DBConnection64.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe WnkVWK.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe WnkVWK.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE WnkVWK.exe File opened for modification C:\Program Files\Windows Defender\MsMpEng.exe WnkVWK.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE WnkVWK.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe WnkVWK.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseTVM.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\Windows Photo Viewer\ImagingDevices.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\Java\jdk-1.8\bin\jmap.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe WnkVWK.exe File opened for modification C:\Program Files\dotnet\dotnet.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE WnkVWK.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe WnkVWK.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.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\Java\jdk-1.8\bin\jstat.exe WnkVWK.exe File opened for modification C:\Program Files\Windows Defender\NisSrv.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\bin\servertool.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\Microsoft Office\root\Office16\SELFCERT.EXE WnkVWK.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe WnkVWK.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe WnkVWK.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE WnkVWK.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.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 5372 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 2026-08-27_ddef35c921ec1f637a25b2af13969f21_elex_smoke-loader_wannacry_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WnkVWK.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4148 wrote to memory of 460 4148 2026-08-27_ddef35c921ec1f637a25b2af13969f21_elex_smoke-loader_wannacry_wapomi.exe 88 PID 460 wrote to memory of 5372 460 WnkVWK.exe 92
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:4148 -
C:\Users\Admin\AppData\Local\Temp\WnkVWK.exeC:\Users\Admin\AppData\Local\Temp\WnkVWK.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\142d3d38.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:5372
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\142d3d38.bat
- Size 187B
- SHA256 5f55c4da87a282e02242ebc1d1d264f7a4927512e7c1419bb388e29ae18d7569
- MD5 9ba451fa50483b7860944fbf8e941b26
- SHA1 55f1850c49f76f62fef48fdc73a9bbf1fa704f82
- SHA512 9935290e0534e7df92aba3e17ff2cbc4a57647628c0e9cb3c085c0e6da31540c9d63abd9e5d07b46eaa8970befa92ab6b55261141dfe04afc2b07f2a58031e09
- TLSH T1ECC0124183E6C75A5864602716E2B18DC0750C687B5D2F928B21C55C759640DF9E7301
- 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