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
04/08/2026, 16:46
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe
- Size 245KB
- Sample260804-t98rnsan4s
- SHA256 d335188a019f57b84f839eb335d01659fbac9155110ba2f228aacea2a7952e3a
- MD5 09882cf13a0d55fba62352853a397f2d
- SHA1 455ae115b2b21b6f0798a9cad1163998ac5194e2
- SHA512 d939cef4a4c7f14c78ee4b2014983bb22c6cfbb07d817bc213c2a565ec3fedf0f9ab994fef51536d3713f5869dcf13819033369865e583c50bc1b9184931a30f
- SSDEEP 3072:YZscseo49pDj9pANfgjMn0i1QTkGWqzXqhDCvbRJwacuSh/PdDEbKsLEwGrg6n25:YZED49pLAb0i+bRLohdmKsAw36n2lYJ
- TLSH T1F7347B1175C184B2E562093344A1EDB54A7EFD344F20AAEB37887B7F8A352C1DB31B66
- 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/1100-21-0x0000000000190000-0x0000000000199000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x000800000002459a-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/1100-4-0x0000000000190000-0x0000000000199000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/1100-21-0x0000000000190000-0x0000000000199000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x000800000002459a-3.dat aspack_v212_v242 - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation fcvxBe.exe Key value queried \REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation 2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe - Executes dropped EXE 2 IoCs
pid Process 1100 fcvxBe.exe 3168 UN_DS.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE fcvxBe.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE fcvxBe.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe fcvxBe.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe fcvxBe.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE fcvxBe.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe fcvxBe.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE fcvxBe.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 3140 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 4 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 2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fcvxBe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UN_DS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4428 wrote to memory of 1100 4428 2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe 86 PID 4428 wrote to memory of 3168 4428 2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe 90 PID 1100 wrote to memory of 3140 1100 fcvxBe.exe 109
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Users\Admin\AppData\Local\Temp\fcvxBe.exeC:\Users\Admin\AppData\Local\Temp\fcvxBe.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:1100 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7d1e5d1a.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3140
-
-
-
C:\Users\Admin\AppData\Local\Temp\UN_DS.exe"C:\Users\Admin\AppData\Local\Temp\UN_DS.exe" /SPAWNED=12⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3168
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\7d1e5d1a.bat
- Size 187B
- SHA256 28f19aa7ecdc4caf6d692244c2d13e040c00a8d485543e9b23431b8c45ab23fb
- MD5 5d692d0c2b5e740f4d32338156a78a47
- SHA1 d254496c86fe402ba92761bbcf0928b28ab7e8df
- SHA512 033534754887b9a08472b3b16e0f7ea91da67cac053f05bf4c4b552e900049a60d52d31f872219d311a738f66eb554f1430a7e99f42203c282246d59d05b7b2a
- TLSH T1A7C02210C1C2C21904A0029707F0704EC0B40C6C3B4E2B100B30800CA0D241EBAE3302
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\UN_DS.exe
- Size 245KB
- SHA256 d335188a019f57b84f839eb335d01659fbac9155110ba2f228aacea2a7952e3a
- MD5 09882cf13a0d55fba62352853a397f2d
- SHA1 455ae115b2b21b6f0798a9cad1163998ac5194e2
- SHA512 d939cef4a4c7f14c78ee4b2014983bb22c6cfbb07d817bc213c2a565ec3fedf0f9ab994fef51536d3713f5869dcf13819033369865e583c50bc1b9184931a30f
- SSDEEP 3072:YZscseo49pDj9pANfgjMn0i1QTkGWqzXqhDCvbRJwacuSh/PdDEbKsLEwGrg6n25:YZED49pLAb0i+bRLohdmKsAw36n2lYJ
- TLSH T1F7347B1175C184B2E562093344A1EDB54A7EFD344F20AAEB37887B7F8A352C1DB31B66
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\fcvxBe.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH