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
25/05/2026, 00:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-25_96ea37da2945ccfde6a8f2f11d458c06_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-05-25_96ea37da2945ccfde6a8f2f11d458c06_elex_smoke-loader_wapomi.exe
- Size 52KB
- Sample260525-a116padt3x
- SHA256 83eb1be97c4e98d4e861fac20ab977abb3f54056fe8e65f93c83f19a95d16861
- MD5 96ea37da2945ccfde6a8f2f11d458c06
- SHA1 9598ab6889a0eef4c1365141736c0fb59d1450d3
- SHA512 c2edbff34f0a0569563f99275b6cd252f3750ddbdfa938c7900a62298d15337d35223c3ed949c437cc5bd1de2395377c36b5967cd83bf9f6c7434eca0c67564e
- SSDEEP 768:R3xn2rZTK7KFr+9QGPL4vzZq2o9W7GsxBbPr:RZ2f+KGCq2iW7z
- TLSH T13F33BF1B678044B1C2DAA13009BF2BB7D6B394B05FB6AB4F0B54DD1CD8329129E7324E
- 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/5852-22-0x00000000006E0000-0x00000000006E9000-memory.dmp family_bdaejec_backdoor - Custom signatureDetects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x00200000000231d5-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/5852-4-0x00000000006E0000-0x00000000006E9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/5852-22-0x00000000006E0000-0x00000000006E9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x00200000000231d5-3.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-1-5-21-3053180483-1881419501-3594244048-1000\Control Panel\International\Geo\Nation RwEBU.exe - Executes dropped EXE 1 IoCs
pid Process 5852 RwEBU.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe RwEBU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE RwEBU.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 RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE RwEBU.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe RwEBU.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe RwEBU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe RwEBU.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe RwEBU.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe RwEBU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe RwEBU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe RwEBU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe RwEBU.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe RwEBU.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe RwEBU.exe File opened for modification C:\Program Files\StopSuspend.exe RwEBU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe RwEBU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe RwEBU.exe File opened for modification C:\Program Files\7-Zip\7z.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE RwEBU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe RwEBU.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe RwEBU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe RwEBU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe RwEBU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe RwEBU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe RwEBU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe RwEBU.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2026-05-25_96ea37da2945ccfde6a8f2f11d458c06_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RwEBU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 5580 2026-05-25_96ea37da2945ccfde6a8f2f11d458c06_elex_smoke-loader_wapomi.exe 5580 2026-05-25_96ea37da2945ccfde6a8f2f11d458c06_elex_smoke-loader_wapomi.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5580 wrote to memory of 5852 5580 2026-05-25_96ea37da2945ccfde6a8f2f11d458c06_elex_smoke-loader_wapomi.exe 87 PID 5852 wrote to memory of 4204 5852 RwEBU.exe 109
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-25_96ea37da2945ccfde6a8f2f11d458c06_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-25_96ea37da2945ccfde6a8f2f11d458c06_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5580 -
C:\Users\Admin\AppData\Local\Temp\RwEBU.exeC:\Users\Admin\AppData\Local\Temp\RwEBU.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:5852 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\465b17d6.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4204
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7EOZKXVE\k2[1].rar
- Size 1B
- SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
- MD5 68b329da9893e34099c7d8ad5cb9c940
- SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
- SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\465b17d6.bat
- Size 185B
- SHA256 3867966edafb4161df47eb35ac6c44a8c865a2c83f2e67e3a8720b3d20eb052f
- MD5 b49ab0602cfccd9665b470df9530e2ee
- SHA1 f96192163fac08e1f38c2ce999a2fe046c61bf95
- SHA512 11859929a60254d4e464d579e08ff337bde5d3c873017f134d751811223be341af0f8bc539657c74aef7992c4f15931a6f3304ad8a6916d5e5168649dbdc8d46
- TLSH T12CC01201C186C67914E490574AE1754FC06608583F892B125B31C45C65A6C0DF5C7B01
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\6E747408.exe
- Size 1B
- SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
- MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
- SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
- SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\RwEBU.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH