Analysis
- max time kernel
149s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
03/10/2026, 21:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-10-01_251d45a220cba47eea3bc8fd1c98fc2a_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 2026-10-01_251d45a220cba47eea3bc8fd1c98fc2a_elex_smoke-loader_wapomi.exe
- Size 243KB
- Sample261003-1erm8sff72
- SHA256 c41fe651dbebf452e0d4130d548aeb95d94f823cf4279ebb94e741704cda47fd
- MD5 251d45a220cba47eea3bc8fd1c98fc2a
- SHA1 e910daf8432949a1f7ce4c982cc1a18b9bb2a3e4
- SHA512 42244eef0d3c976201f61d81cb73411085a91c6caa315deb88e50432e164644f9a0aea878634a06739b1a70b245df2e9ceada29acd124df98fe10e698087e4c0
- SSDEEP 3072:qz14duOvSxCLLT9qCOY4jb1pQzhHKPtOnO6VrVPoVJtCbhVPoVJtCbFy5w4GCH:U14duK5X5mYQydHKPtOnRWehWeQ5S
- TLSH T1BC345A5F7F44801FC890263570D7F390BB7BA5618B07134FA2750A6CBD223E6AE691E9
- 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/4668-22-0x0000000000EB0000-0x0000000000EB9000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x000a00000002359d-4.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/4668-5-0x0000000000EB0000-0x0000000000EB9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/4668-22-0x0000000000EB0000-0x0000000000EB9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x000a00000002359d-4.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-1-5-21-2101206053-1414382737-268919432-1000\Control Panel\International\Geo\Nation iBYU.exe - Executes dropped EXE 1 IoCs
pid Process 4668 iBYU.exe - Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ iBYU.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe iBYU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe iBYU.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe iBYU.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE iBYU.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe iBYU.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe iBYU.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 iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE iBYU.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe iBYU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe iBYU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe iBYU.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 iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe iBYU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe iBYU.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe iBYU.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe iBYU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe iBYU.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe iBYU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe iBYU.exe File opened for modification C:\Program Files\7-Zip\7z.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe iBYU.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 1160 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain iBYU.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname iBYU.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 iBYU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-10-01_251d45a220cba47eea3bc8fd1c98fc2a_elex_smoke-loader_wapomi.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1000 wrote to memory of 4668 1000 2026-10-01_251d45a220cba47eea3bc8fd1c98fc2a_elex_smoke-loader_wapomi.exe 88 PID 4668 wrote to memory of 1160 4668 iBYU.exe 108
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-01_251d45a220cba47eea3bc8fd1c98fc2a_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-01_251d45a220cba47eea3bc8fd1c98fc2a_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Users\Admin\AppData\Local\Temp\iBYU.exeC:\Users\Admin\AppData\Local\Temp\iBYU.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3e96380a.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:1160
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LM36AMZP\k1[1].rar
- Size 1B
- SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
- MD5 68b329da9893e34099c7d8ad5cb9c940
- SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
- SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\3e96380a.bat
- Size 183B
- SHA256 9b34e5f983e9b3e601aca4c9a147687d770852269c70871035f5464a9e1a5e5d
- MD5 37bc847b5ee88a5c62e0da130683077d
- SHA1 40e71252f1214176afbadbf5f35fe3e03cd4cf08
- SHA512 606ebfe0400ca928d8020110760a6b8167ed57d0d51fe68d88c5fb80688d9fad6471a56d5c7fac963b3f6fcf496c43826ee0506b788b309ffadabba8a0451bf3
- TLSH T1D4C0120182C7C66E1C64506B0BE1618DE0E558AC3B8A7B214B21885EA1A682EBAC3301
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\734B6595.exe
- Size 1B
- SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
- MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
- SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
- SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\iBYU.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH