Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/05/2026, 22:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-05-23_baf2f69ac46db4a70488c798c64f757f_cobalt-strike_elex_smoke-loader_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-05-23_baf2f69ac46db4a70488c798c64f757f_cobalt-strike_elex_smoke-loader_wapomi.exe
- Size 76KB
- Sample260523-17ppcabv3n
- SHA256 7b5b21cc868612d03121913e42b15182ca36fdf3585686f73df0d3a3409a019f
- MD5 baf2f69ac46db4a70488c798c64f757f
- SHA1 1b47a3a395d273a65240898259b64da7e1f718b5
- SHA512 38a3856296a1e2e3cff8b17d0368e012cd08f41d2746ed0b84f93f8027856901ecaa0b1107fff6a681c2ea21fb686e36e56c3bdf1743b328d6783ca645aa87a5
- SSDEEP 1536:fcnHbuMtV4FjMQGvZefLizs8s0cdY3uKQKN9LReetKwDGCq2iW7z:fcHCMtVhQqtmYRxN9teetKqGCH
- TLSH T1AF736B4376D444A3E673EF70587C5192AB7FB8714C60EA6F17902D0E48709A1DCB9ABC
- 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 behavioral1/memory/1172-8-0x0000000000140000-0x0000000000149000-memory.dmp family_bdaejec_backdoor - Custom signatureDetects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x000c000000024319-4.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/1172-5-0x0000000000140000-0x0000000000149000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/1172-8-0x0000000000140000-0x0000000000149000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x000c000000024319-4.dat aspack_v212_v242 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1074038928-2032447174-945360078-1000\Control Panel\International\Geo\Nation zBKv.exe - Executes dropped EXE 1 IoCs
pid Process 1172 zBKv.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe zBKv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe zBKv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe zBKv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe zBKv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE zBKv.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe zBKv.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe zBKv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe zBKv.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 zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe zBKv.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe zBKv.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe zBKv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE zBKv.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe zBKv.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE zBKv.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe zBKv.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE zBKv.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe zBKv.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe zBKv.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe zBKv.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe zBKv.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe zBKv.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2026-05-23_baf2f69ac46db4a70488c798c64f757f_cobalt-strike_elex_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zBKv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1504 2026-05-23_baf2f69ac46db4a70488c798c64f757f_cobalt-strike_elex_smoke-loader_wapomi.exe 1504 2026-05-23_baf2f69ac46db4a70488c798c64f757f_cobalt-strike_elex_smoke-loader_wapomi.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1504 wrote to memory of 1172 1504 2026-05-23_baf2f69ac46db4a70488c798c64f757f_cobalt-strike_elex_smoke-loader_wapomi.exe 88 PID 1172 wrote to memory of 1964 1172 zBKv.exe 110
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-23_baf2f69ac46db4a70488c798c64f757f_cobalt-strike_elex_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-23_baf2f69ac46db4a70488c798c64f757f_cobalt-strike_elex_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Users\Admin\AppData\Local\Temp\zBKv.exeC:\Users\Admin\AppData\Local\Temp\zBKv.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3bcf7d68.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1964
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\3bcf7d68.bat
- Size 183B
- SHA256 23004ffd5962d52548dcd634c888b73812c12250bbc4f5338654eb8af758aa17
- MD5 23657374e1c557dcd438702ff36c5768
- SHA1 14d91bd4fb45badbaa76d3372549d29d8294df99
- SHA512 af1aef896106cd03410743a9642d64fcaaa34ea40031329716668d2de52c1b39cd1f5ab142432af38e3f3b7e3944a73afdaf74607da15199dbd2d7d29dc03ffb
- TLSH T1DAC012028387CA6E1455507716E2656CD065086D7B596B225B30C45C719640EF5C3301
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\zBKv.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH