Analysis
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max time kernel
140s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-01-2025 18:41
Static task
static1
Behavioral task
behavioral1
Sample
316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe
Resource
win7-20240903-en
General
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Target
316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe
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Size
729KB
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MD5
b49c928135836d6de87a5e41212a767f
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SHA1
4bbb539b8c778263c5c5ec4da24ca4c41ae350fb
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SHA256
316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c
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SHA512
fdaf27811f36a7b66f4dfd52cf9b6c35d170ecc5ccac2d12a5627463db52658fb05c99555f4943679e3c55501d5a624c4e778c42a629d170ceb13b0899bf6c6f
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SSDEEP
12288:7sSh/Iv7VFkjN0tawVVdVVpbIo7deiblFKqZ7E7n/pwvqB9/fxDV8+MTocoS:7sr7gcPAoZNblF57g/pZ93xD
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/4284-47-0x0000000000400000-0x00000000006F9000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/5032-45-0x0000000000F30000-0x0000000000F39000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b5a-5.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation byXG.exe -
Executes dropped EXE 1 IoCs
pid Process 5032 byXG.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE byXG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ssvagent.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe byXG.exe File opened for modification C:\Program Files\Windows Mail\wab.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe byXG.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe byXG.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe byXG.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{9733680C-0D1E-4BD2-A74F-0CCF42A8BF32}\chrome_installer.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe byXG.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe byXG.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe byXG.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe byXG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe byXG.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe byXG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe byXG.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe byXG.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE byXG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe byXG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE byXG.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe byXG.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE byXG.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe byXG.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe byXG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe byXG.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe byXG.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe byXG.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe byXG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe byXG.exe File opened for modification C:\Program Files\7-Zip\7zG.exe byXG.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe byXG.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe byXG.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 316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language byXG.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4284 316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4284 wrote to memory of 5032 4284 316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe 83 PID 4284 wrote to memory of 5032 4284 316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe 83 PID 4284 wrote to memory of 5032 4284 316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe 83 PID 5032 wrote to memory of 1996 5032 byXG.exe 85 PID 5032 wrote to memory of 1996 5032 byXG.exe 85 PID 5032 wrote to memory of 1996 5032 byXG.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe"C:\Users\Admin\AppData\Local\Temp\316e896d96b5732bfb62bcb85bebb11f8d30ae15e928aa28d4b5353f7d34bd6c.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4284 -
C:\Users\Admin\AppData\Local\Temp\byXG.exeC:\Users\Admin\AppData\Local\Temp\byXG.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:5032 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0785502f.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1996
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
183B
MD5a81964bcc81141d77180bf1ff0c98e89
SHA1d7a693b604b83207384620073ba419b55835ce97
SHA2563852b8ba819f5f360572352b89a3d5b0e0ab69edb7268b3809ea951368e7635b
SHA5127117e4c1c95a0db1bf5995e65ac305fd6a4559ad5e79e37fc3acc89f8370e5b35b5d961f393977f4e595f9796807101a6ed137d9e8edc60b93b25509c494e259
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e