Analysis
- max time kernel
148s - max time network
115s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/09/2026, 22:53
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-09-25_905094a373844f4e056ec49311595760_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 2026-09-25_905094a373844f4e056ec49311595760_elex_smoke-loader_wapomi.exe
- Size 252KB
- Sample260925-2ve5taydla
- SHA256 9e2714b50c8e9204f85b1fd01ac871db9984c1fb02b206372a0fc3d0e23d1b5f
- MD5 905094a373844f4e056ec49311595760
- SHA1 63463644811e33a978005b0bfe562326e84c5030
- SHA512 b5f2185e9d0d8916ff220beff20c59faac6a47b555623c150e08c1de64e32adf146a587bcb9c520a2c3d5bbad242a195c6a9884489e1c09e7b1ac3db5617fca0
- SSDEEP 6144:fLQ9sMDogmVP3NGyb5lsmmA1XhfmTh2OQxMqxkNyIwdS:TQ9sMclV/sDAFh
- TLSH T142445A01D583D0FAED9324B576DE737F16325B028022CEEBC7A48D64BF66E90143D66A
- 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/1528-9-0x0000000000950000-0x0000000000959000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x00160000000115b6-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/1528-5-0x0000000000950000-0x0000000000959000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/1528-9-0x0000000000950000-0x0000000000959000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x00160000000115b6-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 1528 ZWjdjY.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:\ ZWjdjY.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\jjs.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE ZWjdjY.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE ZWjdjY.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe ZWjdjY.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe ZWjdjY.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe ZWjdjY.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 ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe ZWjdjY.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE ZWjdjY.exe File opened for modification C:\Program Files (x86)\Windows Defender\MpCmdRun.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe ZWjdjY.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE ZWjdjY.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe ZWjdjY.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.exe ZWjdjY.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe ZWjdjY.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseCM.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE ZWjdjY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe ZWjdjY.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE ZWjdjY.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe ZWjdjY.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe ZWjdjY.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe ZWjdjY.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe ZWjdjY.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe ZWjdjY.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe ZWjdjY.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe ZWjdjY.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseSampleUploader.exe ZWjdjY.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe ZWjdjY.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 5400 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 ZWjdjY.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain ZWjdjY.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 2026-09-25_905094a373844f4e056ec49311595760_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ZWjdjY.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4408 wrote to memory of 1528 4408 2026-09-25_905094a373844f4e056ec49311595760_elex_smoke-loader_wapomi.exe 90 PID 1528 wrote to memory of 5400 1528 ZWjdjY.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-25_905094a373844f4e056ec49311595760_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-25_905094a373844f4e056ec49311595760_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Users\Admin\AppData\Local\Temp\ZWjdjY.exeC:\Users\Admin\AppData\Local\Temp\ZWjdjY.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:1528 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\62f32e22.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:5400
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\62f32e22.bat
- Size 187B
- SHA256 f6ff8b3e66b0a3dcb245cda05e3b015749036e72f9613d1f1f443e7c721a8605
- MD5 7bb8cee8e317361025161ddba82ba3d9
- SHA1 7f879cd9a72dd3d0d645dd93e98ddaa8c71df0e6
- SHA512 e0c970fca8ceac6a81cd8e9382b64885d46c52198b6f01a95ac958d3f96e59218e056a0cd86b1728571791c09040252b7bc11a5a6a06c3626ea1aafb81dd97e6
- TLSH T1A6C0124181C7DA5D1594501707E1624CC0751C687F5D3B114F20845DA6D640FF6D7741
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ZWjdjY.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH