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
19/08/2026, 22:55
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe
- Size 40KB
- Sample260819-2v7j3avfnd
- SHA256 c817184225f4f180932a1790ddeafc8e3e9ac2fd7563b259b03e2fc4186837a4
- MD5 4d80f0e24a8913e2c27516eae5b9c476
- SHA1 80abaafe3ec4a9f96edd916c8ca4ac350bf08ba8
- SHA512 0a2ffb4f205940bdfd8b47a64ae999e013ade4432f7e2639dd7c4394af29e6c7f330f68f625020e8c2bd855efc8977b666ca6a2e9bdbc1645b89d75dceda2708
- SSDEEP 768:6tF7nH/nyK94eHrOUmZ7N1z1FZQa16jvHrDJngQGPL4vzZq2o9W7GsxBbPr:6zb/yKpOjZ7N1z1rQa1KDJnrGCq2iW7z
- TLSH T196038D63AB8201E2E444277125AE7777D77BACB91F30ABC797D5EC180E76940EC32219
- 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/3164-36-0x0000000000DE0000-0x0000000000DE9000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x002000000002438b-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/3164-4-0x0000000000DE0000-0x0000000000DE9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/3164-36-0x0000000000DE0000-0x0000000000DE9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x002000000002438b-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-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation aUOlB.exe - Executes dropped EXE 1 IoCs
pid Process 3164 aUOlB.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\tnameserv.exe aUOlB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE aUOlB.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe aUOlB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe aUOlB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe aUOlB.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe aUOlB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe aUOlB.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 aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe aUOlB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE aUOlB.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe aUOlB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe aUOlB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe aUOlB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe aUOlB.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe aUOlB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE aUOlB.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe aUOlB.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe aUOlB.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe aUOlB.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe aUOlB.exe File opened for modification C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE aUOlB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe aUOlB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE aUOlB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe aUOlB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe aUOlB.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe aUOlB.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 3256 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 2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aUOlB.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4204 wrote to memory of 3164 4204 2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe 86 PID 3164 wrote to memory of 3256 3164 aUOlB.exe 110
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_4d80f0e24a8913e2c27516eae5b9c476_elex_smoke-loader_wannacry_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Users\Admin\AppData\Local\Temp\aUOlB.exeC:\Users\Admin\AppData\Local\Temp\aUOlB.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:3164 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\74682fad.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3256
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FVK2FCOF\k2[1].rar
- Size 1B
- SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
- MD5 68b329da9893e34099c7d8ad5cb9c940
- SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
- SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\435C6D84.exe
- Size 1B
- SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
- MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
- SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
- SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\74682fad.bat
- Size 185B
- SHA256 fe8f564b1c726c549215ec99d02174e50428deb1131813bee711cebbc17bc65c
- MD5 b020932853823ae26bc76fd4dea4831d
- SHA1 40768385ad2604bf2ecb8653a37af5c9b40c3c68
- SHA512 ff0dd64de5da08b074f0e16ce8676e98966b9156b0b2554a0d005ec7de9fd25af86e8c6cf72248c0a21c5feb4f30a03dc35e969af00771ffa4b587e54fabf726
- TLSH T1AAC0124191A7C7591464605B06E1614CD07548AC3F4E3B155B31885C659740DBEC7381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\aUOlB.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH