Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/09/2026, 11:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe
- Size 40KB
- Sample260907-npp6yatth1
- SHA256 8bc7516889316b9ea9f0ca3365f107db7388c6c0f1459e1f3288e9f6155dec2e
- MD5 979b1936e353bc1be4cec88ed7968989
- SHA1 3e313aab3de275541b5c713ceefd031c762f51a3
- SHA512 95c6821ea2950522ba4ec5b059e6067fe1f0c52782c09995fef4d9c4c66469c89f2ed0ffc53a15dad1d3d9c88e8fd0038951183a50823de03e6c9da901286f56
- SSDEEP 768:DfhS8shLCLkQGPL4vzZq2o9W7GsxBbPr:rk/CL3GCq2iW7z
- TLSH T1BC037D568F9044B6C895A83002AF2AB79F36DC715B2263DB47A2EE9D5C37705AC3720D
- 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/3956-16-0x0000000000400000-0x0000000000409000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x000d0000000007e0-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3956-5-0x0000000000400000-0x0000000000409000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3956-16-0x0000000000400000-0x0000000000409000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d0000000007e0-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3956 CdOqsl.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE CdOqsl.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseTVM.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe CdOqsl.exe File opened for modification C:\Program Files\Windows Defender\NisSrv.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE CdOqsl.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseIR.exe CdOqsl.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseSampleUploader.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe CdOqsl.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe CdOqsl.exe File opened for modification C:\Program Files\Windows Defender\ConfigSecurityPolicy.exe CdOqsl.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe CdOqsl.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe CdOqsl.exe File opened for modification C:\Program Files\7-Zip\7z.exe CdOqsl.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe CdOqsl.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE CdOqsl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe CdOqsl.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE CdOqsl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe CdOqsl.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe CdOqsl.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 CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe CdOqsl.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 3856 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 2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CdOqsl.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3964 2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe 3964 2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3964 wrote to memory of 3956 3964 2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe 89 PID 3956 wrote to memory of 3856 3956 CdOqsl.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Users\Admin\AppData\Local\Temp\CdOqsl.exeC:\Users\Admin\AppData\Local\Temp\CdOqsl.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\57f12970.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3856
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\57f12970.bat
- Size 187B
- SHA256 7fa8fdcd1d9379091b5fba24a7fc227fbedfefda51923780ebb745b6e5f82c84
- MD5 840344c4d5c1a23eb5e7c60f378f29ce
- SHA1 067fa52506240f33d611e4db2cf8a93fcccef09c
- SHA512 f79396eba6272484da2c2796c3b5df12a596f171b4c82de5cefbe603007bd783d28d299b6fb2ee24b2dc60664bc2c2acde79a0434114e8372fef100c860173e4
- TLSH T102C01245C196C65D2564507B7AE1A14CD0650C793B992B214F20C45D61A6C0DB6D7702
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\CdOqsl.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- TLSH T1A462BFB34FC098FFC4CD353341853687CB7B4670DABA617F826288372895E19AC55495
- MD5 SHA1 SHA512 SSDEEP TLSH