Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-12-2024 08:13
Static task
static1
Behavioral task
behavioral1
Sample
2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe
Resource
win7-20240903-en
General
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Target
2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe
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Size
704KB
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MD5
5b48fbfeeabbe8968337c81dec67787a
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SHA1
c0ded665dd21be391661019fa3a27c34e5e6c612
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SHA256
2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739
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SHA512
802b9dc9eb973ddf463dd43aeb02e40b75c0e8418f84abf27bc4ce9b0eca21da59b202d3b9d47510878e31e38022e94246ed2daceea71f2d178dbd9047eef49a
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SSDEEP
12288:8XqidhRfCH2Dlei4KxsSKqHVtcxfM+sGxfKPLTphsA+KEdr5j5azYLwaoS:8vhGWztzVtcxfM9KKHs5KujQzYL
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/1936-47-0x0000000000400000-0x00000000006EE000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/5100-45-0x0000000000CA0000-0x0000000000CA9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b27-3.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation xCogHM.exe -
Executes dropped EXE 1 IoCs
pid Process 5100 xCogHM.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe xCogHM.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 xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE xCogHM.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE xCogHM.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe xCogHM.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE xCogHM.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE xCogHM.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE xCogHM.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe xCogHM.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe xCogHM.exe File opened for modification C:\Program Files\7-Zip\7zG.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe xCogHM.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE xCogHM.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE xCogHM.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe xCogHM.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 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xCogHM.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1936 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1936 wrote to memory of 5100 1936 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe 82 PID 1936 wrote to memory of 5100 1936 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe 82 PID 1936 wrote to memory of 5100 1936 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe 82 PID 5100 wrote to memory of 3436 5100 xCogHM.exe 83 PID 5100 wrote to memory of 3436 5100 xCogHM.exe 83 PID 5100 wrote to memory of 3436 5100 xCogHM.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe"C:\Users\Admin\AppData\Local\Temp\2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Users\Admin\AppData\Local\Temp\xCogHM.exeC:\Users\Admin\AppData\Local\Temp\xCogHM.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:5100 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\25837e24.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3436
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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
187B
MD509340dbeff669d2d615035b07e9e6fac
SHA12b5791ecbaa4dd35d37244097f5ff4c6f0fe3e94
SHA256b9d40639a46fe154c8f1df8492d1d8672c73b9776d0606003e90a1432e34fd48
SHA5123823a2a7f40fb3304134e2a2980043cd49deab417a013290b11525806c361380aa60e217389570880b9b78fb768cc54088297128cacaece9bf5de99018c06f43
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e