Analysis
- max time kernel
150s - 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
04/11/2026, 08:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-11-03_c88769fdecbb7b98175c1635d7e320cb_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 2026-11-03_c88769fdecbb7b98175c1635d7e320cb_elex_smoke-loader_wapomi.exe
- Size 69KB
- Sample261104-j2lxtst12p
- SHA256 4386ca17fa0e5bebe305ac170c0ef14ab63ed37a2998c142009a10e388f90a7a
- MD5 c88769fdecbb7b98175c1635d7e320cb
- SHA1 d126d6b6987d767b23ca81d3106d4ca0a8ff8c38
- SHA512 670c0e0a977e5f2023d64c61fe9002f1fc5e6119a42b4df269f2d07c576e62c44e151521a67226166ab32a6a8581b1978da11fd3eb683238b62e8e9468fe8051
- SSDEEP 1536:iQKt8fjqXnviYhb8x//LenDkBT/ri9sGCq2iW7z:fUXnviYhb8t/LenDkBTDiWGCH
- TLSH T174639E42F6C2D4B1D0E4223701FA7BB7A836FC745B2A918BE74139F21CB15A06D2D25B
- 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/4816-12-0x0000000000630000-0x0000000000639000-memory.dmp family_bdaejec_backdoor - Custom signatureDetects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x000700000001b84b-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/4816-5-0x0000000000630000-0x0000000000639000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4816-12-0x0000000000630000-0x0000000000639000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000700000001b84b-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4816 rcGRDA.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe rcGRDA.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Defender\MpDlpCmd.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Defender\NisSrv.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe rcGRDA.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Mail\wab.exe rcGRDA.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE rcGRDA.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe rcGRDA.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE rcGRDA.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe rcGRDA.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe rcGRDA.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe rcGRDA.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE rcGRDA.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE rcGRDA.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseImdsCollector.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE rcGRDA.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe rcGRDA.exe File opened for modification C:\Program Files\7-Zip\7zG.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe rcGRDA.exe File opened for modification C:\Program Files\7-Zip\7z.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe rcGRDA.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Defender\MpDlpService.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Defender\MsMpEng.exe rcGRDA.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseCM.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe rcGRDA.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE rcGRDA.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseTVM.exe rcGRDA.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe rcGRDA.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe rcGRDA.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe rcGRDA.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 1752 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 rcGRDA.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain rcGRDA.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 2026-11-03_c88769fdecbb7b98175c1635d7e320cb_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rcGRDA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4960 wrote to memory of 4816 4960 2026-11-03_c88769fdecbb7b98175c1635d7e320cb_elex_smoke-loader_wapomi.exe 89 PID 4816 wrote to memory of 1752 4816 rcGRDA.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-03_c88769fdecbb7b98175c1635d7e320cb_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-03_c88769fdecbb7b98175c1635d7e320cb_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960 -
C:\Users\Admin\AppData\Local\Temp\rcGRDA.exeC:\Users\Admin\AppData\Local\Temp\rcGRDA.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:4816 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\31570a32.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:1752
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\31570a32.bat
- Size 187B
- SHA256 50e5fd06efabd59a530c18637c5cf0c09970b335d3b93eb735dfdf06d593fdb2
- MD5 05de4896d42a3af5228fcbc531baa5f5
- SHA1 6babcb60d0127f0f542a486d51292a358639b47f
- SHA512 5a7acc5972e7d79e17ec7e056864d2632b71c3bd6a1aeb519a80dc9ce32fb9a470b3148e94bb92054e45c364aac577253d22bf2ea1d63db2e8c3c3b9f97dd34c
- TLSH T1B0C0121383D7CF7A5894512B0AE1A14CC8654C6C3B593B224B20C4ACA2A680EB5C7341
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\rcGRDA.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH