Overview
overview
10Static
static
3OASIS AIO ...pi.dll
windows7-x64
3OASIS AIO ...pi.dll
windows10-2004-x64
3AdbWinApi.dll
windows7-x64
3AdbWinApi.dll
windows10-2004-x64
3OASIS AIO ...pi.dll
windows7-x64
3OASIS AIO ...pi.dll
windows10-2004-x64
3OASIS AIO ...OL.exe
windows7-x64
4OASIS AIO ...OL.exe
windows10-2004-x64
4OASIS AIO ...db.exe
windows7-x64
10OASIS AIO ...db.exe
windows10-2004-x64
10SHREDDER AIO TOOL.exe
windows7-x64
4SHREDDER AIO TOOL.exe
windows10-2004-x64
4adb.exe
windows7-x64
3adb.exe
windows10-2004-x64
3OASIS AIO ...pi.dll
windows7-x64
3OASIS AIO ...pi.dll
windows10-2004-x64
3OASIS AIO ...OL.exe
windows7-x64
4OASIS AIO ...OL.exe
windows10-2004-x64
4OASIS AIO ...db.exe
windows7-x64
10OASIS AIO ...db.exe
windows10-2004-x64
10OASIS AIO ...OL.exe
windows7-x64
4OASIS AIO ...OL.exe
windows10-2004-x64
4OASIS AIO ...db.exe
windows7-x64
3OASIS AIO ...db.exe
windows10-2004-x64
3Analysis
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max time kernel
131s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-12-2024 18:51
Static task
static1
Behavioral task
behavioral1
Sample
OASIS AIO TOOL/AdbWinApi.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
OASIS AIO TOOL/AdbWinApi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
AdbWinApi.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
AdbWinApi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
OASIS AIO TOOL/AdbWinApi.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
OASIS AIO TOOL/AdbWinApi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
OASIS AIO TOOL/SHREDDER AIO TOOL.exe
Resource
win7-20241023-en
Behavioral task
behavioral8
Sample
OASIS AIO TOOL/SHREDDER AIO TOOL.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
OASIS AIO TOOL/adb.exe
Resource
win7-20240708-en
Behavioral task
behavioral10
Sample
OASIS AIO TOOL/adb.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
SHREDDER AIO TOOL.exe
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
SHREDDER AIO TOOL.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
adb.exe
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
adb.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
OASIS AIO TOOL/OASIS AIO TOOL/AdbWinApi.dll
Resource
win7-20241023-en
Behavioral task
behavioral16
Sample
OASIS AIO TOOL/OASIS AIO TOOL/AdbWinApi.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
OASIS AIO TOOL/OASIS AIO TOOL/SHREDDER AIO TOOL.exe
Resource
win7-20241010-en
Behavioral task
behavioral18
Sample
OASIS AIO TOOL/OASIS AIO TOOL/SHREDDER AIO TOOL.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
OASIS AIO TOOL/OASIS AIO TOOL/adb.exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
OASIS AIO TOOL/OASIS AIO TOOL/adb.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
OASIS AIO TOOL/SHREDDER AIO TOOL.exe
Resource
win7-20240708-en
Behavioral task
behavioral22
Sample
OASIS AIO TOOL/SHREDDER AIO TOOL.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
OASIS AIO TOOL/adb.exe
Resource
win7-20240729-en
Behavioral task
behavioral24
Sample
OASIS AIO TOOL/adb.exe
Resource
win10v2004-20241007-en
General
-
Target
OASIS AIO TOOL/adb.exe
-
Size
816KB
-
MD5
b16c4b8a4215ad7c9c012c7e9375af3e
-
SHA1
b4d67ed6ecf5af7b487c59770cb7ec9f12e6760c
-
SHA256
14ab5941dbc67eda143b082c80318e3606ba54d964267c1175ce728cce885a31
-
SHA512
43a6b0477342460fa3cf0517a925eb7e160b0c2f63a6be19d4d4cf0f7f693aed0838e8ab4906f9fea33a9083d4dce6dd59f9c578b9774838ae93b50d96ded95f
-
SSDEEP
12288:+5KIVNAIOlVvllPhcjpGsv6cViTIlZThJCmG11RuMYRO2fJpUGpdmTfFnIY:+5KYALlvlPyjpGo6cMTI7bqYaTfFnIY
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
-
Bdaejec family
-
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral10/memory/4848-23-0x00000000007D0000-0x00000000007D9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral10/files/0x000c000000023b94-3.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation dhAcrH.exe -
Executes dropped EXE 1 IoCs
pid Process 4848 dhAcrH.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe dhAcrH.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe dhAcrH.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVLP.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoev.exe dhAcrH.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe dhAcrH.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe dhAcrH.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE dhAcrH.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe dhAcrH.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe dhAcrH.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\rmid.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\keytool.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmid.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE dhAcrH.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe dhAcrH.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe dhAcrH.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe dhAcrH.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe dhAcrH.exe File opened for modification C:\Program Files\dotnet\dotnet.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe dhAcrH.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe dhAcrH.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe dhAcrH.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe dhAcrH.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 adb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dhAcrH.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2524 wrote to memory of 4848 2524 adb.exe 83 PID 2524 wrote to memory of 4848 2524 adb.exe 83 PID 2524 wrote to memory of 4848 2524 adb.exe 83 PID 4848 wrote to memory of 4688 4848 dhAcrH.exe 93 PID 4848 wrote to memory of 4688 4848 dhAcrH.exe 93 PID 4848 wrote to memory of 4688 4848 dhAcrH.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\OASIS AIO TOOL\adb.exe"C:\Users\Admin\AppData\Local\Temp\OASIS AIO TOOL\adb.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Users\Admin\AppData\Local\Temp\dhAcrH.exeC:\Users\Admin\AppData\Local\Temp\dhAcrH.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:4848 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\41af2ac6.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4688
-
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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
MD59142f3aa00577288096075884b380a13
SHA16e128405bf8b9a2c78def80af14f5b24e9683896
SHA2565a6274c7eaa17ce5c4579d2f95665588b37dd12d59a562d156449a930804c4f1
SHA5127338afe030da43394b21fd22650fbf46fc86bec6fe0512cd11e1ce9311d65c8706ab9245d647194ea7fe4bd3ada73497c4622cdb6f04089107f365b0f7270de5
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e