Analysis
- max time kernel
149s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
04/08/2026, 10:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-03_8a41b3850ff5c3bedd843d9370ac6e30_cobalt-strike_elex_frostygoop_ghostlocker_hive_salatstea.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-08-03_8a41b3850ff5c3bedd843d9370ac6e30_cobalt-strike_elex_frostygoop_ghostlocker_hive_salatstea.exe
- Size 2.5MB
- Sample260804-m2afkstybz
- SHA256 5e5435840174fd0fff5d2899363e71bcebf6982ea795f025ca3c7931107dff29
- MD5 8a41b3850ff5c3bedd843d9370ac6e30
- SHA1 f53b0b1d8d91f02f5d6f1a82dcb11eef01db4634
- SHA512 b4c86ce9edbd4fde9d4a8568edee47203b6579515c113cb59194b8a56f155d8a1d9fb15dbc48048cdcd1edf617ae3122650715bd458a2adf3bf8cc7030b9152f
- SSDEEP 49152:5bwD+vrVjTYa1i18iGDKxPHhhWRy0CbJ:5buqBC18HWjhqQbJ
- TLSH T117C57C40FCDB64F1E942163148A352BF2334AD091F35EF87E9447B7AEC73AA11A36259
- 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/3376-8-0x0000000000670000-0x0000000000679000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x000f00000002445c-4.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/3376-5-0x0000000000670000-0x0000000000679000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/3376-8-0x0000000000670000-0x0000000000679000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x000f00000002445c-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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation NCxKsg.exe - Executes dropped EXE 1 IoCs
pid Process 3376 NCxKsg.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe NCxKsg.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE NCxKsg.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe NCxKsg.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe NCxKsg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe NCxKsg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe NCxKsg.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe NCxKsg.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe NCxKsg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe NCxKsg.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jinfo.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe NCxKsg.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe NCxKsg.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe NCxKsg.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe NCxKsg.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE NCxKsg.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE NCxKsg.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe NCxKsg.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe NCxKsg.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe NCxKsg.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 4168 cmd.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 NCxKsg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-03_8a41b3850ff5c3bedd843d9370ac6e30_cobalt-strike_elex_frostygoop_ghostlocker_hive_salatstea.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4136 wrote to memory of 3376 4136 2026-08-03_8a41b3850ff5c3bedd843d9370ac6e30_cobalt-strike_elex_frostygoop_ghostlocker_hive_salatstea.exe 86 PID 3376 wrote to memory of 4168 3376 NCxKsg.exe 103
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-03_8a41b3850ff5c3bedd843d9370ac6e30_cobalt-strike_elex_frostygoop_ghostlocker_hive_salatstea.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_8a41b3850ff5c3bedd843d9370ac6e30_cobalt-strike_elex_frostygoop_ghostlocker_hive_salatstea.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4136 -
C:\Users\Admin\AppData\Local\Temp\NCxKsg.exeC:\Users\Admin\AppData\Local\Temp\NCxKsg.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:3376 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\74895d61.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:4168
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\74895d61.bat
- Size 187B
- SHA256 d03ed6a8c2512f728cb137e853c2e4545c860efd34fb0a05fbaa02843e51fcfc
- MD5 e366c02e062e0696d1b1958027b0f99a
- SHA1 a5d1ca38e69c1966da02b233193afc212c47d550
- SHA512 7630d3e7ea97300940330d2e6a969b76dfbb0b7e448d8bb31a30c61aea4f4e68a0fe107691fa0d71131bf4498b5e242ee4822433f9c8c2e606703293ae60ce71
- TLSH T167C012028196C69D185550170EE575CCC46508683F893B214B78C49C629641DFAD3341
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\NCxKsg.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH