Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-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 behavioral2/memory/4660-9-0x0000000000CA0000-0x0000000000CA9000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x000d000000006908-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4660-5-0x0000000000CA0000-0x0000000000CA9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4660-9-0x0000000000CA0000-0x0000000000CA9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000d000000006908-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4660 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\Java\jdk-1.8\bin\javah.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe iBYU.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.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\SETLANG.EXE iBYU.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\Classification\SenseCE.exe iBYU.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe iBYU.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe iBYU.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.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\jre-1.8\bin\jjs.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe iBYU.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe iBYU.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseTVM.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\msoia.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe iBYU.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe iBYU.exe File opened for modification C:\Program Files\Windows Defender\MsMpEng.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.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\Java\jre-1.8\bin\ktab.exe iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe iBYU.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe iBYU.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe iBYU.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe iBYU.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseImdsCollector.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\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.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\Windows Mail\wabmig.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE iBYU.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe iBYU.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseIdentity.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE iBYU.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe iBYU.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe iBYU.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe iBYU.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.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 1992 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 iBYU.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 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 2026-10-01_251d45a220cba47eea3bc8fd1c98fc2a_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iBYU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2444 wrote to memory of 4660 2444 2026-10-01_251d45a220cba47eea3bc8fd1c98fc2a_elex_smoke-loader_wapomi.exe 89 PID 4660 wrote to memory of 1992 4660 iBYU.exe 91
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:2444 -
C:\Users\Admin\AppData\Local\Temp\iBYU.exeC:\Users\Admin\AppData\Local\Temp\iBYU.exe2⤵
- 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:4660 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\14305e74.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:1992
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\14305e74.bat
- Size 183B
- SHA256 693be1215e663b45cf2de99c1ac04cba6060a3496483355d88f36a8188fcdd81
- MD5 56a2bc00d37ab664d94b68fa337f5e7d
- SHA1 efc97f75e2f612832931db4e1ed667bcb1ffa473
- SHA512 3b9b5fb612d57a4c94f255c8b617b7477436b0ea6d73e57c6dfa6aea381884266ed852c178561d35be4df5c9baa59b8f343c9ea1327391c74bdd42c0b4967d8b
- TLSH T12EC01201C1C6CB5D1C54505F07F1714CD0A5085C3B497B254B20C45DA19681EB5C3301
- MD5 SHA1 SHA512 TLSH
- 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