Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/11/2026, 04:43
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-11-03_e5f4ed18abe58a9fe359bb2ccbc2efe0_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-11-03_e5f4ed18abe58a9fe359bb2ccbc2efe0_elex_smoke-loader_wapomi.exe
- Size 43KB
- Sample261104-fb9dnacc89
- SHA256 1ede84bf92d2a4271dd6c76388d0d08f7dd9ece99fd4cbc1251dd60817e51ec8
- MD5 e5f4ed18abe58a9fe359bb2ccbc2efe0
- SHA1 3971ace96455b0cb86b6c97deda3cd1ae93da3d1
- SHA512 52b331cf0dffa12e35cee1de0c257d4819fe245ebdd86395d9ace18a0cd95629f44d503e3a5ce4eaab874469dff5d937b44b5aa04a36599bc2884afd95385f60
- SSDEEP 768:Kqibdn5Q8rHU8txUZfp4Ej0MQIbP0QGPL4vzZq2o9W7GsxBbPr:EZn5vNtxGaMrPnGCq2iW7z
- TLSH T1BB13AD715FD052BBC4C411B2113B6752E77AAF310BB6E86787F42A391C72984BD0839B
- 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/4612-31-0x0000000000330000-0x0000000000339000-memory.dmp family_bdaejec_backdoor - Custom signatureDetects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x000b000000023885-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/4612-4-0x0000000000330000-0x0000000000339000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/4612-31-0x0000000000330000-0x0000000000339000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x000b000000023885-3.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-1-5-21-2091445952-3649787497-104050984-1000\Control Panel\International\Geo\Nation kyZaYd.exe - Executes dropped EXE 1 IoCs
pid Process 4612 kyZaYd.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe kyZaYd.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe kyZaYd.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe kyZaYd.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe kyZaYd.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe kyZaYd.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe kyZaYd.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe kyZaYd.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe kyZaYd.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE kyZaYd.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe kyZaYd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe kyZaYd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE kyZaYd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe kyZaYd.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 2192 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\Hostname kyZaYd.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain kyZaYd.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 2026-11-03_e5f4ed18abe58a9fe359bb2ccbc2efe0_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kyZaYd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2624 wrote to memory of 4612 2624 2026-11-03_e5f4ed18abe58a9fe359bb2ccbc2efe0_elex_smoke-loader_wapomi.exe 84 PID 4612 wrote to memory of 2192 4612 kyZaYd.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-03_e5f4ed18abe58a9fe359bb2ccbc2efe0_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-03_e5f4ed18abe58a9fe359bb2ccbc2efe0_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Users\Admin\AppData\Local\Temp\kyZaYd.exeC:\Users\Admin\AppData\Local\Temp\kyZaYd.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- 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:4612 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4f2b29b8.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:2192
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FB6DDX4X\k1[1].rar
- Size 1B
- SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
- MD5 68b329da9893e34099c7d8ad5cb9c940
- SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
- SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\4f2b29b8.bat
- Size 187B
- SHA256 1f439ae5f6c714648f7648ff2ae58a863c71e91d731c6382d6d557ae44b0cf16
- MD5 aac927caddb64b87aae737fef98c6761
- SHA1 5509aaa45e4988bc81ff8163634d43bd82c4a20f
- SHA512 ee56dcbe91247aec2ae8d53be7cf4f902813145dfa537080c3feced1b0b31dfa847f804c1ec07bfa29fa1577ea097adadce146f834fd485a6e64cf0374a967f3
- TLSH T1E0C022008282CB5E0400003B0AE0324CD0330A583F892B100B20849C329280CB5D37B1
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\5B8962C4.exe
- Size 1B
- SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
- MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
- SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
- SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\kyZaYd.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH