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
26-12-2024 16:21
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe
Resource
win7-20241010-en
General
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Target
2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe
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Size
80KB
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MD5
b3868fa414b8a5ff3c97ecf08f496deb
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SHA1
2736b4115b080852b1c75dd7fa5f6b432b86e14c
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SHA256
9af16bd5d445787bdd5d68eecc409b1cc71008a30d3a8e113ce1a23f0c2292b3
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SHA512
169604766b0c8bab99e9c2b36bbd096664a06b8e5ff1ae1cf79e61317dff41ba323459b5fc184625b7d13163379c469db8fd13b39c7578bfebd2e0dfb7f5b58d
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SSDEEP
1536:fHB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZSTGCq2iW7z:fhAWJGSCTBf12ZcGCH
Malware Config
Extracted
bdaejec
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/2028-46-0x0000000000AB0000-0x0000000000AB9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023bae-4.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 vcGThYiz.exe -
Executes dropped EXE 1 IoCs
pid Process 2028 vcGThYiz.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE vcGThYiz.exe File opened for modification C:\Program Files\7-Zip\7zG.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe vcGThYiz.exe File opened for modification C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe vcGThYiz.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe vcGThYiz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe vcGThYiz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe vcGThYiz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe vcGThYiz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe vcGThYiz.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe vcGThYiz.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE vcGThYiz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE vcGThYiz.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe vcGThYiz.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe vcGThYiz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe vcGThYiz.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe vcGThYiz.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe vcGThYiz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe vcGThYiz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe vcGThYiz.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE vcGThYiz.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe vcGThYiz.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE vcGThYiz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE vcGThYiz.exe File opened for modification C:\Program Files\7-Zip\7z.exe vcGThYiz.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe vcGThYiz.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 vcGThYiz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4232 wrote to memory of 2028 4232 2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe 83 PID 4232 wrote to memory of 2028 4232 2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe 83 PID 4232 wrote to memory of 2028 4232 2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe 83 PID 2028 wrote to memory of 4988 2028 vcGThYiz.exe 84 PID 2028 wrote to memory of 4988 2028 vcGThYiz.exe 84 PID 2028 wrote to memory of 4988 2028 vcGThYiz.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-26_b3868fa414b8a5ff3c97ecf08f496deb_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4232 -
C:\Users\Admin\AppData\Local\Temp\vcGThYiz.exeC:\Users\Admin\AppData\Local\Temp\vcGThYiz.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:2028 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\23de51af.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4988
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
191B
MD5db1a63def85189ba9639cc0de4f130a2
SHA133207b8386e339a877997f1a3628f445d777e91d
SHA256365cbfe5895883985347444d0ab28b6b6b76e3825ce0545bebd2b580dc4c3b5c
SHA51269a0f2940366460a6db39fe7f7bc8abfdfe53b70f76d172a9c1d09c7cf67d7fcd13686bb6f607a69293a2b0b0f9bb095464e4bc14e553745676575782080a97a
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e