Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/10/2026, 21:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-10-25_8879b9ebd2d1271e6495b070346f5019_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 2026-10-25_8879b9ebd2d1271e6495b070346f5019_elex_smoke-loader_wapomi.exe
- Size 391KB
- Sample261026-z2vsqsbh99
- SHA256 a70d84ef305d4e079d8637e22e4bc5807f3fdf80c994635c98aa266c2f859bcc
- MD5 8879b9ebd2d1271e6495b070346f5019
- SHA1 0efef49f886c1258420b0a04dac4ecc7374b6345
- SHA512 940c30b3ddb84afd6cdb5bf4c697b7ec2c886869537887f12378a42bdc550b6e0dec388862a7d7b62c255a0bd9e1a078a4680a49799433dcd40d873972520088
- SSDEEP 6144:+u2urzh9xu/Xkaur75aaWYcdY8NgdcNMYHeoCWxz1TSfDmT7LgV:+utrzh9xOXkmvKggdcNMGfz1TSCM
- TLSH T14A84E1147588F8FBDB270971576A9B7A12BA3E3024A07142FBE23B5E2B71A534D1D1C3
- 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/3268-9-0x0000000000BA0000-0x0000000000BA9000-memory.dmp family_bdaejec_backdoor - Custom signatureDetects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x000600000001b85c-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/3268-5-0x0000000000BA0000-0x0000000000BA9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/3268-9-0x0000000000BA0000-0x0000000000BA9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000600000001b85c-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 3268 jBiCiO.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE jBiCiO.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe jBiCiO.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE jBiCiO.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe jBiCiO.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe jBiCiO.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE jBiCiO.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe jBiCiO.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe jBiCiO.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe jBiCiO.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe jBiCiO.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe jBiCiO.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE jBiCiO.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe jBiCiO.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseNdr.exe jBiCiO.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE jBiCiO.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe jBiCiO.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe jBiCiO.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe jBiCiO.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe jBiCiO.exe File opened for modification C:\Program Files\dotnet\dotnet.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE jBiCiO.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe jBiCiO.exe File opened for modification C:\Program Files\Windows Defender\DlpUserAgent.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe jBiCiO.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe jBiCiO.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE jBiCiO.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe jBiCiO.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 4708 cmd.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3200 4596 WerFault.exe 88 - 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 jBiCiO.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain jBiCiO.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 2026-10-25_8879b9ebd2d1271e6495b070346f5019_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jBiCiO.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4596 wrote to memory of 3268 4596 2026-10-25_8879b9ebd2d1271e6495b070346f5019_elex_smoke-loader_wapomi.exe 90 PID 3268 wrote to memory of 4708 3268 jBiCiO.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-25_8879b9ebd2d1271e6495b070346f5019_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-25_8879b9ebd2d1271e6495b070346f5019_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Users\Admin\AppData\Local\Temp\jBiCiO.exeC:\Users\Admin\AppData\Local\Temp\jBiCiO.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:3268 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0a1a0696.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4708
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 5722⤵
- Program crash
PID:3200
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4596 -ip 45961⤵PID:1408
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\0a1a0696.bat
- Size 187B
- SHA256 725c78beb63effc3900acd9f07d42fe2e853390942d8728fd68ba826fe0f8ab7
- MD5 823da9e4c6dc1aaf592954c082e548c0
- SHA1 002dae13d0df8122701137ac505d96def7bc6102
- SHA512 3d9ac42ab6a6d72937966b7d31f87cc49049cfa97ccc93379d9022a9fd760b35c6aa1bdb4662c7859aec5e1882927458451518d73408ef5a44ae17dfc7027e49
- TLSH T13DC01211C187C7591454501B16F1B24CC466089C3B896B258B21C4DC61A640DF5C3341
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\jBiCiO.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH