Analysis
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max time kernel
135s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2025 02:03
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe
Resource
win7-20240903-en
windows7-x64
10 signatures
150 seconds
General
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Target
2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe
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Size
24KB
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MD5
cc1f7e92416c1e645c358fcfb74fad9b
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SHA1
f93d7b7c56a311839587de592b30e984b4228c8e
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SHA256
378efb627b689f3ecae388974b1dad97a563db06eedf205a1510785bfe28a1b3
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SHA512
02fc3a68cebcbc3e06ddf079393f0a966c964de43cf73a73bdbb9ce5d7ae26c7bec0b33d6fc7632921476e60ee37b8bd26747551a16883452ce51ff19de77360
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SSDEEP
384:vVMEEDYM3MVAgrgZS/XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9Pffr:vGE4YM32A4bBQGPL4vzZq2o9W7GsxBbz
Malware Config
Extracted
Family
bdaejec
C2
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/1280-8-0x00000000000A0000-0x00000000000A9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0008000000023c88-3.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-1-5-21-4003209913-3868522715-854928974-1000\Control Panel\International\Geo\Nation cwcHCi.exe -
Executes dropped EXE 1 IoCs
pid Process 1280 cwcHCi.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe cwcHCi.exe File opened for modification C:\Program Files\Windows Mail\wab.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe cwcHCi.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe cwcHCi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE cwcHCi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe cwcHCi.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe cwcHCi.exe File opened for modification C:\Program Files\7-Zip\7zG.exe cwcHCi.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe cwcHCi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE cwcHCi.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe cwcHCi.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe cwcHCi.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe cwcHCi.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe cwcHCi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe cwcHCi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe cwcHCi.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe cwcHCi.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe cwcHCi.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe cwcHCi.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe cwcHCi.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE cwcHCi.exe File opened for modification C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe cwcHCi.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe cwcHCi.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 2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cwcHCi.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3152 wrote to memory of 1280 3152 2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe 85 PID 3152 wrote to memory of 1280 3152 2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe 85 PID 3152 wrote to memory of 1280 3152 2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe 85 PID 1280 wrote to memory of 3188 1280 cwcHCi.exe 94 PID 1280 wrote to memory of 3188 1280 cwcHCi.exe 94 PID 1280 wrote to memory of 3188 1280 cwcHCi.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-31_cc1f7e92416c1e645c358fcfb74fad9b_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3152 -
C:\Users\Admin\AppData\Local\Temp\cwcHCi.exeC:\Users\Admin\AppData\Local\Temp\cwcHCi.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:1280 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\60601e02.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3188
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD544c36d2600c8aa7bad9ce119c2af8d4b
SHA1d7cce095baca1e01f72694671dddc49ae13d84bb
SHA256a44f70f83184dbbc90b9c495a7d40ddb28a039b55da29b88e294b635d3780d99
SHA5128ff3ea99714563f665c37cbf02532fc2f6d5dc066bd84493b08002cbb4d46abac87af00a7f4d5d9f54e9934a9dfa4b4393bcadeacf0d2b1b34bbd8ed4c04a446
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e