Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 19:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe
- Size 28KB
- Sample260820-xnsp4sfc89
- SHA256 6425def9b1c0f6f5ec4dd4a52ead2b1e7639f0944f37131fefde53f7ebff5efd
- MD5 84cfcb934491d2f9609152cf82ea730f
- SHA1 399bcc59d072c74a6cb1eae651ec70ca697734e6
- SHA512 8a0ed3746cca8017772efa4073fa2683b22f84ab37ae4123131a1f2d5a7954d79fc339d98d760ca2c2de61a6f2ed2902f0f659a7e4023541c237578d8280eb32
- SSDEEP 768:aW29n/P4/C9tY+gJXokQGPL4vzZq2o9W7GsxBbPr:wPZnYro3GCq2iW7z
- TLSH T184D2BE43EE8058B2CFDD107120372956CBAB62309BA9B6E7EB5144660DF5690FC7A01F
- 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/4736-9-0x00000000000C0000-0x00000000000C9000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x000500000000053e-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4736-6-0x00000000000C0000-0x00000000000C9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4736-9-0x00000000000C0000-0x00000000000C9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000500000000053e-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4736 kBlXDa.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe kBlXDa.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE kBlXDa.exe File opened for modification C:\Program Files\Windows Defender\MpDlpService.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE kBlXDa.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe kBlXDa.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseNdr.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe kBlXDa.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\Classification\SenseCE.exe kBlXDa.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe kBlXDa.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe kBlXDa.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe kBlXDa.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe kBlXDa.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe kBlXDa.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe kBlXDa.exe File opened for modification C:\Program Files\Windows Defender\MpDlpCmd.exe kBlXDa.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseImdsCollector.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe kBlXDa.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe kBlXDa.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 3576 cmd.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 2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kBlXDa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1148 wrote to memory of 4736 1148 2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe 90 PID 4736 wrote to memory of 3576 4736 kBlXDa.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_84cfcb934491d2f9609152cf82ea730f_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148 -
C:\Users\Admin\AppData\Local\Temp\kBlXDa.exeC:\Users\Admin\AppData\Local\Temp\kBlXDa.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4736 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\647869fb.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3576
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\647869fb.bat
- Size 187B
- SHA256 ddd25fd564f4a16f21c068997949cf47867e1509c4782b2d441199b1e6eebc12
- MD5 51b276e5271bdd0dd19e282316a381bf
- SHA1 5e8dbf7dd795ce3c52c30d3f03c2b18c5d0f8cd4
- SHA512 b333b582e64e791e459821117af976105cb223433cf8b61e1f64f98304f24048d0799f49b81397798d0fc9331a64c4f1191e999bc2a0bd03a6d268b4764531ca
- TLSH T15EC012418287CA6D145C51270AE1B54DC06508DD3B5A2B195B20849CA1A640DB9C7741
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\kBlXDa.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH