Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
02-02-2025 00:52
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe
Resource
win7-20240903-en
windows7-x64
11 signatures
150 seconds
General
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Target
2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe
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Size
2.7MB
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MD5
240a9ee7cdbab77a91c67f371c6ba141
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SHA1
2631d1ebc245f3e82189ac301bddffecf425f9fa
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SHA256
b7e7f159d2764c8882c5105ee00ef1eda2da921cc98a39e8ec85c6edfdbdc902
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SHA512
8d8bc0ac1e7b0746c5d80e2e762f9b6bab429368dc3cb7413381d0c3ff4eb672106c35aeb961a8d94cfd965b62ad5b647db515fd9d020800681b189095129e1d
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SSDEEP
49152:X4R58S5N0HB/bbICMmT5txA4BbFldYnJTSoFqpx0O9XLQG+p0ImszXiWA06Ygzes:X4R58S5N0HB/bbICMmT5txA4BbFldYns
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/4304-8-0x0000000000320000-0x0000000000329000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x0008000000023c59-3.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-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation Zudwyc.exe -
Executes dropped EXE 1 IoCs
pid Process 4304 Zudwyc.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE Zudwyc.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE Zudwyc.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe Zudwyc.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe Zudwyc.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE Zudwyc.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe Zudwyc.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe Zudwyc.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe Zudwyc.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe Zudwyc.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe Zudwyc.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe Zudwyc.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe Zudwyc.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe Zudwyc.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe Zudwyc.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe Zudwyc.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 2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Zudwyc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 3732 2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe 3732 2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe 3732 2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3732 wrote to memory of 4304 3732 2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe 84 PID 3732 wrote to memory of 4304 3732 2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe 84 PID 3732 wrote to memory of 4304 3732 2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe 84 PID 4304 wrote to memory of 212 4304 Zudwyc.exe 91 PID 4304 wrote to memory of 212 4304 Zudwyc.exe 91 PID 4304 wrote to memory of 212 4304 Zudwyc.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-02_240a9ee7cdbab77a91c67f371c6ba141_smoke-loader_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3732 -
C:\Users\Admin\AppData\Local\Temp\Zudwyc.exeC:\Users\Admin\AppData\Local\Temp\Zudwyc.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:4304 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7f49020e.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:212
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD5f3443a737b912b76f6d391fe5c4a6ae1
SHA1333b4759d1e4f00659b812076b0a0e3b6676bf0f
SHA25682c0e41baa602421f87e000a7a559f46af760b51896be78fc970c62dc19c2a53
SHA51240e63dca9fe50214dae2d59729dd55e8d72f3eb7cbbaf69a4b4df413af2c8fcd17ecd3f1d6984d7b68a3e807b2edf41f198392db6f8dd4f28d95129d18691bc4
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e