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
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 behavioral1/memory/4476-11-0x00000000002F0000-0x00000000002F9000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x001c0000000243fa-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/4476-4-0x00000000002F0000-0x00000000002F9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/4476-11-0x00000000002F0000-0x00000000002F9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x001c0000000243fa-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 CdOqsl.exe - Executes dropped EXE 1 IoCs
pid Process 4476 CdOqsl.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe CdOqsl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.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\Microsoft Office\root\Office16\POWERPNT.EXE CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE CdOqsl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe CdOqsl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe CdOqsl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.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\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe CdOqsl.exe File opened for modification C:\Program Files\Windows Mail\wab.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\Java\jdk-1.8\jre\bin\policytool.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.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\jre-1.8\bin\javaw.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.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.Loader.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE CdOqsl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.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\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe CdOqsl.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.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\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe CdOqsl.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.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 (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.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 (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.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\Microsoft Office\root\Office16\SDXHelper.exe CdOqsl.exe File opened for modification C:\Program Files\7-Zip\Uninstall.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\Java\jdk-1.8\jre\bin\servertool.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe CdOqsl.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.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\Windows Photo Viewer\ImagingDevices.exe CdOqsl.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe CdOqsl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.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\Microsoft Office\root\Office16\msotd.exe CdOqsl.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE CdOqsl.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe CdOqsl.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.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\xjc.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\rmid.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 4400 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 5016 2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe 5016 2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5016 wrote to memory of 4476 5016 2026-09-05_979b1936e353bc1be4cec88ed7968989_elex_smoke-loader_wannacry_wapomi.exe 83 PID 4476 wrote to memory of 4400 4476 CdOqsl.exe 85
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:5016 -
C:\Users\Admin\AppData\Local\Temp\CdOqsl.exeC:\Users\Admin\AppData\Local\Temp\CdOqsl.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:4476 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\64427d54.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4400
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\64427d54.bat
- Size 187B
- SHA256 1f918b0dabea79d94b1b1f4315fb3554cec989ed3c413e4e26f61196720d88a8
- MD5 11a65904a8756ab536e872769524a55e
- SHA1 d50caca6f0e44deee881c0ea827515ac11c63e01
- SHA512 18ea4636d5b10c3da05ba9b2b771f8bfea67ba20958dbcf0ddc31d991d476dbcd26729dafadad24e877d5d09c35e3c53fbb0200e03c28a4f1d413b5df73bdfa8
- TLSH T1BDC0124586D7C659256450677AE1A14CC0650C793B492B514F20855D61A680DB6C3302
- 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