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
126s -
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
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/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 behavioral20/memory/3788-8-0x0000000000A60000-0x0000000000A69000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral20/files/0x000c000000023b9e-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 3788 dhAcrH.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe dhAcrH.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe dhAcrH.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.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\Java\jdk-1.8\bin\pack200.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE dhAcrH.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.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\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\filecompare.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe dhAcrH.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.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 (x86)\Google\Update\Install\{87F23B05-A117-4666-BB8C-A9C77E6BFB56}\chrome_installer.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.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\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.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\Java\jdk-1.8\bin\jcmd.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe dhAcrH.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe dhAcrH.exe File opened for modification C:\Program Files\7-Zip\7zG.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\Java\jre-1.8\bin\rmid.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\Java\jdk-1.8\bin\javac.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.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\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe dhAcrH.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.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\Java\jdk-1.8\bin\jhat.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE dhAcrH.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE dhAcrH.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe dhAcrH.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe dhAcrH.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe dhAcrH.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\klist.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\Java\jdk-1.8\jre\bin\keytool.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 (x86)\Google\Update\1.3.36.371\GoogleUpdate.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 4756 wrote to memory of 3788 4756 adb.exe 83 PID 4756 wrote to memory of 3788 4756 adb.exe 83 PID 4756 wrote to memory of 3788 4756 adb.exe 83 PID 3788 wrote to memory of 5056 3788 dhAcrH.exe 94 PID 3788 wrote to memory of 5056 3788 dhAcrH.exe 94 PID 3788 wrote to memory of 5056 3788 dhAcrH.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\OASIS AIO TOOL\OASIS AIO TOOL\adb.exe"C:\Users\Admin\AppData\Local\Temp\OASIS AIO TOOL\OASIS AIO TOOL\adb.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4756 -
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:3788 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1f422b57.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:5056
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD51f6f2960f7f1fc8e4b56d0dac6e9f474
SHA1810fefea9609cd1b324eaaefda90360691644d11
SHA25658607d44103df7e4f6fd567a6d7735727b409ce3580eca1443aea4d6194015c9
SHA5121ec5d804023581cce584f8051a11ac984df64e92f210ae85b763612c86cc6f1ae592ec4ed6271503cd6778e87e7569f18db3274b85c727a0e7ef0b4761d60bfe
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e