Analysis
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max time kernel
144s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24/10/2024, 16:16
Static task
static1
Behavioral task
behavioral1
Sample
dc-injector.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dc-injector.exe
Resource
win10v2004-20241007-en
General
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Target
dc-injector.exe
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Size
3.0MB
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MD5
ba17f9dea338619676a2e877af75986e
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SHA1
046af9868e0aab58869d7434b0154b70d6a42b09
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SHA256
0173e92a74009fc1ac7281be8d9a4419296f7eafe9bffcd3911cb3275380148f
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SHA512
826f69007425b48ff400f6abd815ad5f9d3ed1d164b1c617f0764e6affafde4e1bf24e7fb1ab488633e2f4d28c7d50b29ae800d941aa83f2d6671ab4b47f575f
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SSDEEP
49152:6nsHyjtk2MYC5GDZeCcNPdVQ0RPi48s4Q+hU/EIOfwjIbuS4cn4d+329mvGK79z:6nsmtk2a8elPd20R6ls4bhUsIOJbuS4Q
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/3600-225-0x0000000000060000-0x0000000000069000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000b000000023b78-122.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 4 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 EXCEL.EXE Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation nCbq.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation dc-injector.exe Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation Synaptics.exe -
Executes dropped EXE 5 IoCs
pid Process 1588 ._cache_dc-injector.exe 3600 nCbq.exe 4432 Synaptics.exe 1112 ._cache_Synaptics.exe 3164 EXCEL.EXE -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe" dc-injector.exe -
Checks system information in the registry 2 TTPs 2 IoCs
System information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer EXCEL.EXE Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName EXCEL.EXE -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE nCbq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe nCbq.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe nCbq.exe File opened for modification C:\Program Files\Windows Mail\wab.exe nCbq.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe nCbq.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe nCbq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe nCbq.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe nCbq.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 nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe nCbq.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe nCbq.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe nCbq.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE nCbq.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe nCbq.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe nCbq.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe nCbq.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe nCbq.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe nCbq.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE nCbq.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE nCbq.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe nCbq.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe nCbq.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe nCbq.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe nCbq.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe nCbq.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe nCbq.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 6 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 dc-injector.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ._cache_dc-injector.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nCbq.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Synaptics.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ._cache_Synaptics.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ dc-injector.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Synaptics.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 3164 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 1588 ._cache_dc-injector.exe 1588 ._cache_dc-injector.exe 1112 ._cache_Synaptics.exe 1112 ._cache_Synaptics.exe 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE 3164 EXCEL.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3976 wrote to memory of 1588 3976 dc-injector.exe 86 PID 3976 wrote to memory of 1588 3976 dc-injector.exe 86 PID 3976 wrote to memory of 1588 3976 dc-injector.exe 86 PID 1588 wrote to memory of 3600 1588 ._cache_dc-injector.exe 87 PID 1588 wrote to memory of 3600 1588 ._cache_dc-injector.exe 87 PID 1588 wrote to memory of 3600 1588 ._cache_dc-injector.exe 87 PID 3976 wrote to memory of 4432 3976 dc-injector.exe 88 PID 3976 wrote to memory of 4432 3976 dc-injector.exe 88 PID 3976 wrote to memory of 4432 3976 dc-injector.exe 88 PID 4432 wrote to memory of 1112 4432 Synaptics.exe 89 PID 4432 wrote to memory of 1112 4432 Synaptics.exe 89 PID 4432 wrote to memory of 1112 4432 Synaptics.exe 89 PID 3600 wrote to memory of 3908 3600 nCbq.exe 108 PID 3600 wrote to memory of 3908 3600 nCbq.exe 108 PID 3600 wrote to memory of 3908 3600 nCbq.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\dc-injector.exe"C:\Users\Admin\AppData\Local\Temp\dc-injector.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3976 -
C:\Users\Admin\AppData\Local\Temp\._cache_dc-injector.exe"C:\Users\Admin\AppData\Local\Temp\._cache_dc-injector.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1588 -
C:\Users\Admin\AppData\Local\Temp\nCbq.exeC:\Users\Admin\AppData\Local\Temp\nCbq.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3600 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6fa53b2b.bat" "4⤵
- System Location Discovery: System Language Discovery
PID:3908
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4432 -
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1112
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks computer location settings
- Executes dropped EXE
- Checks system information in the registry
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3164
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.0MB
MD5ba17f9dea338619676a2e877af75986e
SHA1046af9868e0aab58869d7434b0154b70d6a42b09
SHA2560173e92a74009fc1ac7281be8d9a4419296f7eafe9bffcd3911cb3275380148f
SHA512826f69007425b48ff400f6abd815ad5f9d3ed1d164b1c617f0764e6affafde4e1bf24e7fb1ab488633e2f4d28c7d50b29ae800d941aa83f2d6671ab4b47f575f
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
2.3MB
MD54e63c3fcd161ea536f1488e533c1a2a1
SHA18e9a79b56d72e2741a1a553d4f51b4d71b71d56c
SHA25610f6a7ede0b23d8a5e9e15f0be581570fa9468fa582496cd08a38e575a74e357
SHA5129379bab13915ff26db4c81d0644cf3420515a49a2317df66196b0903f08f3554e1bafcb131c8e38748c849872b0885dca3a11a13b0974f4613f87d276ee33476
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
183B
MD5f08d0dcc95ba49bfe8fcb756400f347c
SHA1efaddaaacaf3af779834d6d2ee2f4f6af8657687
SHA25623508364e5d272d552bfa0fb733e70937eefae39e357bdbecba2c529bf3bfaaa
SHA5129657dfc5f1bb11b6ca76a829744ab68b77996fc0373b0852ac9776471228503e1b50eeea4b61b7b8cf06b2681d10126b201f4bb553c99adcbd18c559fa5cb67e
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Filesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e