Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/04/2026, 13:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-04-20_41335d580e023991fa26941fd324cd03_amadey_elex_hellokitty_smoke-loader_wapomi.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2026-04-20_41335d580e023991fa26941fd324cd03_amadey_elex_hellokitty_smoke-loader_wapomi.exe
- Size 121KB
- Sample260420-p8nb5aa16l
- SHA256 958cc63f0254676e376b7c2fab17d4fbda2f9b0a8a06601254761d5590964671
- MD5 41335d580e023991fa26941fd324cd03
- SHA1 14350c21351578dd7440bad48cba47f19e9c8caa
- SHA512 a214d2c08c74a1aacb6654f318054890099060a19bb7c00ed10511f134d6e8cf7ad6425c59fa090cc39164e6872331fa8ab509b8994fa0483b87521b2342f65e
- SSDEEP 3072:1u2crKOXWW5gfXYy81+biUBM3/9Mu0HrnflY++RfvfGCH:jOXrHQvhYjXO
- TLSH T1C2C36B2136D6C5B1E1A213728A74AFB68B79FD348F7191DB33D4460E88601C26EB1F67
- 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/1788-8-0x0000000000500000-0x0000000000509000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral1/files/0x0007000000022e76-3.dat INDICATOR_EXE_Packed_ASPack behavioral1/memory/1788-4-0x0000000000500000-0x0000000000509000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral1/memory/1788-8-0x0000000000500000-0x0000000000509000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral1/files/0x0007000000022e76-3.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-1-5-21-2714754311-527593155-1440850301-1000\Control Panel\International\Geo\Nation Yulpp.exe - Executes dropped EXE 1 IoCs
pid Process 1788 Yulpp.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe Yulpp.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe Yulpp.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE Yulpp.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe Yulpp.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE Yulpp.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe Yulpp.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe Yulpp.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe Yulpp.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe Yulpp.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe Yulpp.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe Yulpp.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe Yulpp.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe Yulpp.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe Yulpp.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe Yulpp.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe Yulpp.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe Yulpp.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE Yulpp.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE Yulpp.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe Yulpp.exe File opened for modification C:\Program Files\Windows Mail\wab.exe Yulpp.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-04-20_41335d580e023991fa26941fd324cd03_amadey_elex_hellokitty_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Yulpp.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5084 wrote to memory of 1788 5084 2026-04-20_41335d580e023991fa26941fd324cd03_amadey_elex_hellokitty_smoke-loader_wapomi.exe 85 PID 1788 wrote to memory of 1000 1788 Yulpp.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-20_41335d580e023991fa26941fd324cd03_amadey_elex_hellokitty_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-20_41335d580e023991fa26941fd324cd03_amadey_elex_hellokitty_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5084 -
C:\Users\Admin\AppData\Local\Temp\Yulpp.exeC:\Users\Admin\AppData\Local\Temp\Yulpp.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:1788 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\77821649.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1000
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\77821649.bat
- Size 185B
- SHA256 e80d5d1401c8b47f7ec1b15855e8acca4f2528669f1dce68db5061d2d40a9afe
- MD5 b36fcf89da11cebaf59e56fc8e0067c0
- SHA1 8e1b6d4bae85b95b044ed25dc53a82864bae689a
- SHA512 ef615135155a3f3ccd39b92130cd0b3da37db25ae4c53a5d5114c7f11dab9281d457d0e2e6c5e514571f11e8c44958991bc9492d9ec8486b248b753197c70d19
- TLSH T1F5C01201C1CACA995464501B0EF571CCC06618A83B992B258F30C45C61B640DB5C3381
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\Yulpp.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH