Analysis
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max time kernel
140s -
max time network
147s -
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 14:41
Static task
static1
Behavioral task
behavioral1
Sample
a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe
Resource
win7-20240729-en
General
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Target
a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe
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Size
1.6MB
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MD5
8a2569376394187c5f4bf586ddbd26b9
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SHA1
2c43557cd605431f9d78153b8430cab25f3ab104
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SHA256
a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7
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SHA512
dfb41641f5c6f7da4bf540202c9b286db45bd7bfe04058b098088cf2971bb5a3e097d37b8fd22d42d528fdd07d210ff3f0b43badca580b9b8957a0d9c302b056
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SSDEEP
24576:hbzujSc7XTwRqofD9kwvbkzbLB/FzeFwYcYtnH4yC0iS4McS8XkkjYvW:hGjSc7DJYmwjiN1rYtnYVS4MMXfjYvW
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/2760-47-0x0000000000400000-0x0000000000B11000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/4108-45-0x00000000009E0000-0x00000000009E9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023c87-3.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation ASclmh.exe -
Executes dropped EXE 1 IoCs
pid Process 4108 ASclmh.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe ASclmh.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe ASclmh.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe ASclmh.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe ASclmh.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE ASclmh.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe ASclmh.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE ASclmh.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe ASclmh.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe ASclmh.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 ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE ASclmh.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe ASclmh.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe ASclmh.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE ASclmh.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE ASclmh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE ASclmh.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe ASclmh.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe ASclmh.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ASclmh.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2760 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2760 wrote to memory of 4108 2760 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe 83 PID 2760 wrote to memory of 4108 2760 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe 83 PID 2760 wrote to memory of 4108 2760 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe 83 PID 4108 wrote to memory of 4284 4108 ASclmh.exe 85 PID 4108 wrote to memory of 4284 4108 ASclmh.exe 85 PID 4108 wrote to memory of 4284 4108 ASclmh.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe"C:\Users\Admin\AppData\Local\Temp\a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2760 -
C:\Users\Admin\AppData\Local\Temp\ASclmh.exeC:\Users\Admin\AppData\Local\Temp\ASclmh.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:4108 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\69575d95.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4284
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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
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
187B
MD5b7a161238ff7d6327ae8500361b3b5e9
SHA1167e250e377aa6d9f22b8950b07f1f2ddb7523ef
SHA256f2020d37dfcd7b82bd449f9d61c2ede062eab7867bef02951d1da6d710ad3590
SHA512c401e246300a9bf8d58e760efad9525efaa83c610e85a577bde6b0c552501d2f5cf42c68168aed0207d5957ad887c93787b48e9276fb744b9a519d7e1d3dfe48
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e