Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-09-2024 15:14
Behavioral task
behavioral1
Sample
abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe
Resource
win7-20240903-en
General
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Target
abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe
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Size
3.2MB
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MD5
4fb7da99fc2102b481dfee0b95f96b90
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SHA1
c6637560e4ac197bd1ebdf5e6b394fc1c335a942
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SHA256
abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217
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SHA512
1c94f40ad2a48f22caf380df34dd1ce4036bbb733e6b5679a6063e868d7a53621433a5d789451b2c5d5eefe78064229f832bd3f7cf47b774c04b489ffa1d31c0
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SSDEEP
49152:hhSNGMwVbnURJs4hrqLDBttkL6R6JEl4EQo5AzwwxYXjqkNRfDUcDd+XFVD:hyezUUImLjfR6JeQyAsXJNRrNhcFVD
Malware Config
Signatures
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Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/2352-104-0x00000000000F0000-0x00000000000F9000-memory.dmp family_bdaejec_backdoor -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe -
resource yara_rule behavioral2/files/0x0008000000023409-3.dat aspack_v212_v242 -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe -
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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation ycWCQbw.exe -
Executes dropped EXE 1 IoCs
pid Process 2352 ycWCQbw.exe -
resource yara_rule behavioral2/memory/5040-0-0x0000000000400000-0x0000000000C18000-memory.dmp themida behavioral2/memory/5040-8-0x0000000000400000-0x0000000000C18000-memory.dmp themida behavioral2/memory/5040-9-0x0000000000400000-0x0000000000C18000-memory.dmp themida behavioral2/memory/5040-10-0x0000000000400000-0x0000000000C18000-memory.dmp themida behavioral2/memory/5040-106-0x0000000000400000-0x0000000000C18000-memory.dmp themida -
resource yara_rule behavioral2/memory/5040-89-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-90-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-91-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-86-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-81-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-79-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-77-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-74-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-72-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-69-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-67-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-66-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-63-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-61-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-58-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-54-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-52-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-45-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-42-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-41-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-84-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-56-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-49-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-47-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-43-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral2/memory/5040-107-0x0000000010000000-0x000000001003E000-memory.dmp upx -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 5040 abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE ycWCQbw.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe ycWCQbw.exe File opened for modification C:\Program Files\7-Zip\7zG.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe ycWCQbw.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe ycWCQbw.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe ycWCQbw.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe ycWCQbw.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe ycWCQbw.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe ycWCQbw.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe ycWCQbw.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE ycWCQbw.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe ycWCQbw.exe File opened for modification C:\Program Files\7-Zip\7z.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe ycWCQbw.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe ycWCQbw.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE ycWCQbw.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\orbd.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe ycWCQbw.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe ycWCQbw.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe ycWCQbw.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe ycWCQbw.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\pack200.exe ycWCQbw.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 abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ycWCQbw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 5040 abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe 5040 abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe 5040 abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5040 wrote to memory of 2352 5040 abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe 82 PID 5040 wrote to memory of 2352 5040 abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe 82 PID 5040 wrote to memory of 2352 5040 abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe 82 PID 2352 wrote to memory of 1212 2352 ycWCQbw.exe 83 PID 2352 wrote to memory of 1212 2352 ycWCQbw.exe 83 PID 2352 wrote to memory of 1212 2352 ycWCQbw.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe"C:\Users\Admin\AppData\Local\Temp\abf4910e33aafff7152c179aaeea56b144530093e3918e82c548d7627ac99217.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Users\Admin\AppData\Local\Temp\ycWCQbw.exeC:\Users\Admin\AppData\Local\Temp\ycWCQbw.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:2352 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1d8e5707.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1212
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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
189B
MD5eff65e5c0bddf8f591dcc51457ea0e4e
SHA100bfa6bfe3575d911a4ac523ec23c296c16f05d0
SHA256b7747c3b7777f8e54d10d8595812651b392643f0648387e794a5400daf5eacd4
SHA512544b9c75da2fd551f9365072a35ae16074a467538311eba033f6934653bc95c9b417f24a4239caf5cb4057b46bfbedad897dc4075118bf6398bba8d5b5920bec
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e