Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 10:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2ebd64bb21cd217dcfb95a0eca6b805a7f88339872feca95c5080f1f4577e3f8.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2ebd64bb21cd217dcfb95a0eca6b805a7f88339872feca95c5080f1f4577e3f8.exe
- Size 798KB
- Sample260731-mtaflsgh72
- SHA256 2ebd64bb21cd217dcfb95a0eca6b805a7f88339872feca95c5080f1f4577e3f8
- MD5 440ea5caf8015317f7ee7fa9f105bb9c
- SHA1 968a5975347074a45422c211aac10031fa3a61b1
- SHA512 838d285870ea8eac5e869a8aca3bda1a9084609fe58965847f8b25014d8ed80c1ab8a9a21aa6da35ed172e6f67fb989963eb95cc8715305742623391044fbdf0
- SSDEEP 24576:JYugd9XxZBEjLUlh8pWqn3JTQ+4uvKuXHFOm5:qXZBqxIu1Oq
- TLSH T1FC059E61BE41C0B3E26101759475EBF60C396D3887209ACBE3D07F75AA302D1AE3B65E
- 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/5792-9-0x00000000001E0000-0x00000000001E9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000b000000019caa-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 5792 rzKKWR.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe rzKKWR.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe rzKKWR.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE rzKKWR.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe rzKKWR.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 rzKKWR.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe rzKKWR.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe rzKKWR.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe rzKKWR.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe rzKKWR.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe rzKKWR.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe rzKKWR.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 rzKKWR.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe rzKKWR.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe rzKKWR.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe rzKKWR.exe File opened for modification C:\Program Files\Windows Defender\MpCmdRun.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe rzKKWR.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe rzKKWR.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE rzKKWR.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe rzKKWR.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe rzKKWR.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE rzKKWR.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 5056 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 2ebd64bb21cd217dcfb95a0eca6b805a7f88339872feca95c5080f1f4577e3f8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rzKKWR.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2148 wrote to memory of 5792 2148 2ebd64bb21cd217dcfb95a0eca6b805a7f88339872feca95c5080f1f4577e3f8.exe 89 PID 5792 wrote to memory of 5056 5792 rzKKWR.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ebd64bb21cd217dcfb95a0eca6b805a7f88339872feca95c5080f1f4577e3f8.exe"C:\Users\Admin\AppData\Local\Temp\2ebd64bb21cd217dcfb95a0eca6b805a7f88339872feca95c5080f1f4577e3f8.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Users\Admin\AppData\Local\Temp\rzKKWR.exeC:\Users\Admin\AppData\Local\Temp\rzKKWR.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5792 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1adb13e9.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:5056
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\1adb13e9.bat
- Size 187B
- SHA256 322100999445d60b7f7d9c9555dd4bdb0019e7e5b41f1c2220433a96b5f4a4ab
- MD5 f4ce90e548c0fbc41e6c0800c837e479
- SHA1 e9b3773efcfd9eb66a629339b14338a1d897bd1a
- SHA512 985ba7e2dc6bd2777c4334712a17c9290d05f1044d8d713e59c4375dedf563ef881eb8b8bf4b945a593d20c792c55748797fb61ea3cc51a867a99cc61ebe38c6
- TLSH T149C01212C386C75D1455503716F1B5CDC07918583B892B229B20889DB59641DB6D7701
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\rzKKWR.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH