Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/09/2026, 00:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-09-26_3dd97184b84fd65132a30c790987a419_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 2026-09-26_3dd97184b84fd65132a30c790987a419_elex_smoke-loader_wapomi.exe
- Size 495KB
- Sample260927-avd4zavfph
- SHA256 bdc22ae74228f3189431a4268676ddd4b23536ce3742c5385eb18b9aa0a6b33a
- MD5 3dd97184b84fd65132a30c790987a419
- SHA1 a4a8011f5a1c403d7ad80c6bf434158d6ece5f7e
- SHA512 dfd36cf356bc3979d6afc4a45d6ec8333b1405ae6eacdd6e639fcee51483abbf4aa720949f10a94794b638d57dce4267acbd2177b9a14387323314ed55372959
- SSDEEP 12288:/YF1WbbsGEgtPJvlydcIG+/S15vDcedwS/GazTLoma:BwGdBVlyd8US1lDXTLVa
- TLSH T1C5B49E41E9AB91FAC5171074A7EBB32F093056054B31CDEBC7A8DC707D22AB8253E65E
- 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/4932-41-0x00000000007F0000-0x00000000007F9000-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/4932-5-0x00000000007F0000-0x00000000007F9000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/4932-41-0x00000000007F0000-0x00000000007F9000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x000500000000053e-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 4932 pEvs.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:\ pEvs.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe pEvs.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe pEvs.exe File opened for modification C:\Program Files\Windows Defender\NisSrv.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE pEvs.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe pEvs.exe File opened for modification C:\Program Files\Windows Defender\mpextms.exe pEvs.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe pEvs.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe pEvs.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe pEvs.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe pEvs.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE pEvs.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe pEvs.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\Classification\SenseCE.exe pEvs.exe File opened for modification C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe pEvs.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe pEvs.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe pEvs.exe File opened for modification C:\Program Files\Windows Defender\ConfigSecurityPolicy.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE pEvs.exe File opened for modification C:\Program Files\Windows Defender\MpCmdRun.exe pEvs.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseIR.exe pEvs.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseNdr.exe pEvs.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe pEvs.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe pEvs.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe pEvs.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe pEvs.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe pEvs.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe pEvs.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe pEvs.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe pEvs.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE pEvs.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseCM.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE pEvs.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE pEvs.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe pEvs.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 4872 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\Domain pEvs.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname pEvs.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 2026-09-26_3dd97184b84fd65132a30c790987a419_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pEvs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3948 wrote to memory of 4932 3948 2026-09-26_3dd97184b84fd65132a30c790987a419_elex_smoke-loader_wapomi.exe 92 PID 4932 wrote to memory of 4872 4932 pEvs.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-26_3dd97184b84fd65132a30c790987a419_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-26_3dd97184b84fd65132a30c790987a419_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Users\Admin\AppData\Local\Temp\pEvs.exeC:\Users\Admin\AppData\Local\Temp\pEvs.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:4932 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7861789b.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4872
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:1236
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8999WJP3\k2[1].rar
- Size 1B
- SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
- MD5 68b329da9893e34099c7d8ad5cb9c940
- SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
- SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\5FAD3305.exe
- Size 1B
- SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
- MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
- SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
- SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\7861789b.bat
- Size 183B
- SHA256 cc4c1d847f9e5385a6a3ef1af6e1a11ab7b4dd89fd7c7277f2f43466a37cab73
- MD5 e61657e0ba4e2e9d7e983a58d7ccb8e7
- SHA1 6803cccd5f47aebe0310dca09b356de1a3031f98
- SHA512 20659664995d3ca374464541cc2b3a4e65017b467a08196a470bed19783ea9713235ba4a587f23492f4e9050975737786d5df6f906f480ba719e06b11ea2c739
- TLSH T162C01201C187CA691455519B1AF1614DC0651C7C3B492B11EB20C45C65A641EFEC3342
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\pEvs.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH