Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 behavioral2/memory/268-11-0x00000000001B0000-0x00000000001B9000-memory.dmp family_bdaejec_backdoor - Custom signatureDetects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x000500000000053e-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/268-5-0x00000000001B0000-0x00000000001B9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/268-11-0x00000000001B0000-0x00000000001B9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000500000000053e-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 268 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\java-rmi.exe kyZaYd.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.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\Microsoft Office\root\Office16\SETLANG.EXE kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.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\Microsoft Office\root\Office16\NAMECONTROLSERVER.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 15\ClientX64\IntegratedOffice.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe kyZaYd.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.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\Java\jdk-1.8\bin\jjs.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe kyZaYd.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe kyZaYd.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.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\Java\jdk-1.8\jre\bin\tnameserv.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\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe kyZaYd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe kyZaYd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.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\jdk-1.8\jre\bin\kinit.exe kyZaYd.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 kyZaYd.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 kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE kyZaYd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE kyZaYd.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe kyZaYd.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE kyZaYd.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe kyZaYd.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe kyZaYd.exe File opened for modification C:\Program Files\Windows Defender\ConfigSecurityPolicy.exe kyZaYd.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe kyZaYd.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe kyZaYd.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.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\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe kyZaYd.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.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\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.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\Microsoft Office\root\Client\AppVDllSurrogate32.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 4880 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 4416 wrote to memory of 268 4416 2026-11-03_e5f4ed18abe58a9fe359bb2ccbc2efe0_elex_smoke-loader_wapomi.exe 91 PID 268 wrote to memory of 4880 268 kyZaYd.exe 93
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:4416 -
C:\Users\Admin\AppData\Local\Temp\kyZaYd.exeC:\Users\Admin\AppData\Local\Temp\kyZaYd.exe2⤵
- 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:268 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\50c45120.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4880
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\50c45120.bat
- Size 187B
- SHA256 74e2631da50f1ec30fd7531542785a12fcd8a6838cea731e5be877f12f05719d
- MD5 d4fe3339490bfb416b48615c23fec8b2
- SHA1 de18d48e7155c4f2c9e60b018b63460200f4ddf2
- SHA512 c0bcbefe06d88870dc053cbd54cc22b4d70cf9e539f5680e7af799770613608c0b4cfc90877736fb75275a6d65fe476c177216de7f8f3dcfe0fe59be6ca3d155
- TLSH T1D7C012418286CA6E5964502B0AE1768CE1661BA93BD93B214B20849C72A680DBAD73A1
- MD5 SHA1 SHA512 TLSH
- 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