Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 11:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe
- Size 5.7MB
- Sample260818-nyl6msam6v
- SHA256 83b247fa707a459997a01120005f26ca2fb6671a1fab40b2bc5a3a44c334abe2
- MD5 1b00540e8b37c54a6ce78ccaed8723dd
- SHA1 8c351571114d5ef3eae1ce8aa78ac131193d7688
- SHA512 49d7a5c55863db2ed714937147b578f152580ed02e2df7ac360fbe25674da09d122a757050f35f40bb5b07469d4480a7fd0a1fd54735becf05b3e31e3c0318bf
- SSDEEP 98304:tCY2wl326vssJOUZtZHnFZByHFwhbOFOJ3qNyyceVYt7yPdFeA7zWN3MqxfwPPzR:tCc31vss8MtZHtcwI0J3qNTceet7yfmW
- TLSH T11F56335B3981E1EDE0C21C71B51E7FD302B2AB264DD185352E823D8154A2FBBA19F16F
- 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/3796-9-0x00000000009F0000-0x00000000009F9000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/memory/3796-5-0x00000000009F0000-0x00000000009F9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/files/0x000600000001b85f-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3796-9-0x00000000009F0000-0x00000000009F9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000600000001b85f-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3796 oakVHj.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2352 2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE oakVHj.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE oakVHj.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe oakVHj.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseCM.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe oakVHj.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe oakVHj.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE oakVHj.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe oakVHj.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe oakVHj.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseSampleUploader.exe oakVHj.exe File opened for modification C:\Program Files\Windows Defender\MpDlpService.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE oakVHj.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe oakVHj.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe oakVHj.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe oakVHj.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe oakVHj.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe oakVHj.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe oakVHj.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe oakVHj.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 1600 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 2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language oakVHj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2352 wrote to memory of 3796 2352 2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe 89 PID 3796 wrote to memory of 1600 3796 oakVHj.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-18_1b00540e8b37c54a6ce78ccaed8723dd_elex_smoke-loader_wapomi.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\oakVHj.exeC:\Users\Admin\AppData\Local\Temp\oakVHj.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6cf747f9.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:1600
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\6cf747f9.bat
- Size 187B
- SHA256 fc02b001403e4906bc56f39c4ffb1488218bcbac781f0cb9e99dc469c8d929cf
- MD5 117d6b53dc3c356cdaa80ea1851c22f4
- SHA1 4c5d69d6692e30f1a02e8401b15a08fe536db040
- SHA512 2e2d7b7535bca1496306a641e612899d56326be720a3e1d3d3a0eb15a95bf90b44ec2b305c6a5e98ed42c44f965dd8e919474c36763cbf8259f5b4c74e35f8fb
- TLSH T128C012528287C66A1896902B4AE1618EE07549B83FCD7B256F20C45C75EB80FBAC3301
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\oakVHj.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH