Analysis
- max time kernel
150s - max time network
139s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 04:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
74a007083fc8366bcd361eae4a33fb592140cb40af07f02ad10a9927a000c646.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 74a007083fc8366bcd361eae4a33fb592140cb40af07f02ad10a9927a000c646.exe
- Size 1.3MB
- Sample260730-erkjssbe37
- SHA256 74a007083fc8366bcd361eae4a33fb592140cb40af07f02ad10a9927a000c646
- MD5 d7da3fe050c74f761c39aeca6244a123
- SHA1 43637b4160cda8450aaadc5e778cb63601e5fd4a
- SHA512 b00b7f0123a8a92f2c30f2711ac963db9254020a8163b6220ddd6386332222c1a322749e4fd13343a6f3f555ab5f33691ea9aedadb867c5b4f8a8f798b632695
- SSDEEP 24576:bkyqjZIYvKDAawNU3/7RgKB2NvTVsp4El9TjGGjrWwnazTNGfsnBBC:bk7zOFmhK4Elz+9zTIcB
- TLSH T15A659EC0E3D7A0F5D4D514B881EAB33B8A352B290315DEE777C46EA2DE24BD16D3418A
- 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/5256-17-0x0000000000260000-0x0000000000269000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000a00000001b315-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 5256 oyYZeq.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe oyYZeq.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe oyYZeq.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe oyYZeq.exe File opened for modification C:\Program Files\Windows Defender\ConfigSecurityPolicy.exe oyYZeq.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\MsSense.exe oyYZeq.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe oyYZeq.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe oyYZeq.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseNdr.exe oyYZeq.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe oyYZeq.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe oyYZeq.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE oyYZeq.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe oyYZeq.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe oyYZeq.exe File opened for modification C:\Program Files\dotnet\dotnet.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe oyYZeq.exe File opened for modification C:\Program Files\7-Zip\7zG.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe oyYZeq.exe File opened for modification C:\Program Files\Windows Defender\MpDefenderCoreService.exe oyYZeq.exe File opened for modification C:\Program Files\Windows Defender\MpDlpCmd.exe oyYZeq.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe oyYZeq.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe oyYZeq.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe oyYZeq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe oyYZeq.exe File opened for modification C:\Program Files\Windows Defender\NisSrv.exe oyYZeq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe oyYZeq.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 5164 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 74a007083fc8366bcd361eae4a33fb592140cb40af07f02ad10a9927a000c646.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language oyYZeq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3372 74a007083fc8366bcd361eae4a33fb592140cb40af07f02ad10a9927a000c646.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3372 wrote to memory of 5256 3372 74a007083fc8366bcd361eae4a33fb592140cb40af07f02ad10a9927a000c646.exe 88 PID 5256 wrote to memory of 5164 5256 oyYZeq.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\74a007083fc8366bcd361eae4a33fb592140cb40af07f02ad10a9927a000c646.exe"C:\Users\Admin\AppData\Local\Temp\74a007083fc8366bcd361eae4a33fb592140cb40af07f02ad10a9927a000c646.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Users\Admin\AppData\Local\Temp\oyYZeq.exeC:\Users\Admin\AppData\Local\Temp\oyYZeq.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5256 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\11176e3f.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:5164
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\11176e3f.bat
- Size 187B
- SHA256 22f47889dcee1c0a360ecae123cdd8ba9a54e34fbf732073acf5ed1dc881327b
- MD5 de507de661d66dab372b4c49ad2b53ee
- SHA1 a83469684fcb1a2f38565bd40016abbe60b557cc
- SHA512 b8e27b6b2659eabde1f696c57f0a668b5b068e36b7f0ec0de13eec92a590a8e3e872397a6a1ef830ffcc2214fd8bc1d9a39b2cce87dac82c5571f19b2306da63
- TLSH T1B2C01241818BCB5E2458501F0AE1A14DD46508593F496B219B31847D61E641DB5C7701
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\oyYZeq.exe
- Size 15KB
- SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
- MD5 56b2c3810dba2e939a8bb9fa36d3cf96
- SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
- SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
- SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
- TLSH T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
- MD5 SHA1 SHA512 SSDEEP TLSH