Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 behavioral2/memory/5948-12-0x0000000000180000-0x0000000000189000-memory.dmp family_bdaejec_backdoor - Detects executables packed with ASPack 3 IoCs
resource yara_rule behavioral2/files/0x0009000000011374-4.dat INDICATOR_EXE_Packed_ASPack behavioral2/memory/5948-5-0x0000000000180000-0x0000000000189000-memory.dmp INDICATOR_EXE_Packed_ASPack behavioral2/memory/5948-12-0x0000000000180000-0x0000000000189000-memory.dmp INDICATOR_EXE_Packed_ASPack -
resource yara_rule behavioral2/files/0x0009000000011374-4.dat aspack_v212_v242 - Executes dropped EXE 2 IoCs
pid Process 5948 fcvxBe.exe 4644 UN_DS.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7z.exe fcvxBe.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe fcvxBe.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.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\jre\bin\javaw.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.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\javacpl.exe fcvxBe.exe File opened for modification C:\Program Files\Mozilla Firefox\nmhproxy.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.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\javapackager.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\Windows Defender\MpDlpCmd.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.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\Mozilla Firefox\updater.exe fcvxBe.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe fcvxBe.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE fcvxBe.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.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\Windows Defender\NisSrv.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.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)\Windows Mail\wab.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.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\Java\jdk-1.8\bin\policytool.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\ONENOTEM.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\Mozilla Firefox\default-browser-agent.exe fcvxBe.exe File opened for modification C:\Program Files\Windows Defender\Offline\OfflineScannerShell.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\Google\Chrome\Application\chrome_proxy.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.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\jre\bin\rmiregistry.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\Java\jre-1.8\bin\jp2launcher.exe fcvxBe.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe fcvxBe.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE fcvxBe.exe File opened for modification C:\Program Files (x86)\Windows Defender\MpCmdRun.exe fcvxBe.exe File opened for modification C:\Program Files\7-Zip\7zG.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.Loader.exe fcvxBe.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe fcvxBe.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe fcvxBe.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe fcvxBe.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseNdr.exe fcvxBe.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.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 3836 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 3452 wrote to memory of 5948 3452 2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe 88 PID 3452 wrote to memory of 4644 3452 2026-08-04_09882cf13a0d55fba62352853a397f2d_amadey_cobalt-strike_elex_hellokitty_smoke-loader_wapomi.exe 89 PID 5948 wrote to memory of 3836 5948 fcvxBe.exe 91
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⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Users\Admin\AppData\Local\Temp\fcvxBe.exeC:\Users\Admin\AppData\Local\Temp\fcvxBe.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5948 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5faa7868.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3836
-
-
-
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:4644
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\5faa7868.bat
- Size 187B
- SHA256 291f0b0f3ad0c1db57ca29405e8f84976d6c24b72c2f126dfe1d6fddbb10c432
- MD5 e0d92f5a9768c250d3c5a0eb9b3a9997
- SHA1 3b7e54a106a0ee94a7e8d3586fd60c8fafd964b1
- SHA512 f40fe65eec4efc38135a8e451c74e7b18c4435d4194fc389f6cf03155fcb4d7de25c8a19f3658db29a0ace63ae26891350b791732f3d0d4b88256ad9aac46675
- TLSH T1DBC01211C286C66A18A5526B17E1614DC1B5196C7B5E2B114B30C45C61E641EF9E3352
- 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