Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2025 15:46
Static task
static1
Behavioral task
behavioral1
Sample
408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe
Resource
win7-20240903-en
General
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Target
408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe
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Size
690KB
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MD5
addae446df97b02dfc6bc2e2b52a871d
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SHA1
9ee3fd2860fddd48ca8b093cd3e3f169b6bf7a1b
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SHA256
408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b
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SHA512
cecafda0e0c4ceccc8e125b1dd42e9794ef67c52f12bcb19c50131f6da212e8e498199426a51e01bcfe455b45e058474c57779753368423ae9fb502eafcc3178
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SSDEEP
12288:4sDp2pLNWWstGnb/pbflbrfWsYIzdnqR9OSHuLOj+RH0Djt8t5zyJR84oS:hDALA2NJbrfbxzdnqR9Oguij+6v45zO8
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Blackmoon family
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Detect Blackmoon payload 1 IoCs
resource yara_rule behavioral2/memory/4580-7-0x0000000000400000-0x000000000056B000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/4688-9-0x0000000000DA0000-0x0000000000DA9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b46-3.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation mEJWdQ.exe -
Executes dropped EXE 1 IoCs
pid Process 4688 mEJWdQ.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe mEJWdQ.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe mEJWdQ.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe mEJWdQ.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe mEJWdQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe mEJWdQ.exe File opened for modification C:\Program Files\dotnet\dotnet.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe mEJWdQ.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe mEJWdQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe mEJWdQ.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE mEJWdQ.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe mEJWdQ.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe mEJWdQ.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe mEJWdQ.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe mEJWdQ.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe mEJWdQ.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe mEJWdQ.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe mEJWdQ.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe mEJWdQ.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe mEJWdQ.exe File opened for modification C:\Program Files\ResumeSelect.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe mEJWdQ.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe mEJWdQ.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mEJWdQ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4580 408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4580 wrote to memory of 4688 4580 408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe 83 PID 4580 wrote to memory of 4688 4580 408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe 83 PID 4580 wrote to memory of 4688 4580 408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe 83 PID 4688 wrote to memory of 3344 4688 mEJWdQ.exe 102 PID 4688 wrote to memory of 3344 4688 mEJWdQ.exe 102 PID 4688 wrote to memory of 3344 4688 mEJWdQ.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe"C:\Users\Admin\AppData\Local\Temp\408029f0929b11fa51d7bf484ec0fbbcf9d61c309207d3e55ce48c55caf8898b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Users\Admin\AppData\Local\Temp\mEJWdQ.exeC:\Users\Admin\AppData\Local\Temp\mEJWdQ.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:4688 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5ecb12f1.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3344
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD559b9df5215c46acd8973715e5f886b02
SHA1dd5dd2bf6119db072d79be7be5ae3a4e2c8850c0
SHA2566eb58356f6d5559550d2d62dc6100ac39b879a458f875b8bd6187e3742b58565
SHA5120511076685e6a936938827c8d7d40181984c5f05ab9f4ddd92a943ecc1c442beaa2442741d709a3de4bf497c0f03128628ea887c31815a14a579b7e3e86ec93a
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e