Overview
overview
10Static
static
3Shohei's A...sl.pyo
windows7-x64
3Shohei's A...sl.pyo
windows10-2004-x64
3Shohei's A...at.pyo
windows7-x64
3Shohei's A...at.pyo
windows10-2004-x64
3Shohei's A...es.pyo
windows7-x64
3Shohei's A...es.pyo
windows10-2004-x64
3Shohei's A...ta.dll
windows7-x64
3Shohei's A...ta.dll
windows10-2004-x64
3Shohei's A...gs.pyo
windows7-x64
3Shohei's A...gs.pyo
windows10-2004-x64
3Shohei's A...et.dll
windows7-x64
3Shohei's A...et.dll
windows10-2004-x64
3Shohei's A...L2.dll
windows7-x64
3Shohei's A...L2.dll
windows10-2004-x64
3Shohei's A...ge.dll
windows7-x64
3Shohei's A...ge.dll
windows10-2004-x64
3Shohei's A...tf.dll
windows7-x64
3Shohei's A...tf.dll
windows10-2004-x64
3Shohei's A...el.exe
windows7-x64
10Shohei's A...el.exe
windows10-2004-x64
10Shohei's A...57.dll
windows7-x64
3Shohei's A...57.dll
windows10-2004-x64
3Shohei's A...57.dll
windows7-x64
3Shohei's A...57.dll
windows10-2004-x64
3Shohei's A...55.dll
windows7-x64
3Shohei's A...55.dll
windows10-2004-x64
3Shohei's A...up.exe
windows7-x64
7Shohei's A...up.exe
windows10-2004-x64
7Shohei's A...32.dll
windows7-x64
3Shohei's A...32.dll
windows10-2004-x64
3Shohei's A...GL.dll
windows7-x64
3Shohei's A...GL.dll
windows10-2004-x64
3Analysis
-
max time kernel
144s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
07-02-2025 08:48
Static task
static1
Behavioral task
behavioral1
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/ssl.pyo
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/ssl.pyo
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/stat.pyo
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/stat.pyo
Resource
win10v2004-20250129-en
Behavioral task
behavioral5
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/types.pyo
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/types.pyo
Resource
win10v2004-20250129-en
Behavioral task
behavioral7
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/unicodedata.dll
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/unicodedata.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral9
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/warnings.pyo
Resource
win7-20241010-en
Behavioral task
behavioral10
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/warnings.pyo
Resource
win10v2004-20250129-en
Behavioral task
behavioral11
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/win32wnet.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/Lib/win32wnet.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral13
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/SDL2.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/SDL2.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral15
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/SDL2_image.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/SDL2_image.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/SDL2_ttf.dll
Resource
win7-20241010-en
Behavioral task
behavioral18
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/SDL2_ttf.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral19
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/ShoheiAdultStreamingChannel.exe
Resource
win7-20240903-en
Behavioral task
behavioral20
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/ShoheiAdultStreamingChannel.exe
Resource
win10v2004-20250129-en
Behavioral task
behavioral21
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/avcodec-57.dll
Resource
win7-20241010-en
Behavioral task
behavioral22
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/avcodec-57.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/avformat-57.dll
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/avformat-57.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral25
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/avutil-55.dll
Resource
win7-20240729-en
Behavioral task
behavioral26
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/avutil-55.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral27
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/dxwebsetup.exe
Resource
win7-20240708-en
Behavioral task
behavioral28
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/dxwebsetup.exe
Resource
win10v2004-20250129-en
Behavioral task
behavioral29
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/glew32.dll
Resource
win7-20240903-en
Behavioral task
behavioral30
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/glew32.dll
Resource
win10v2004-20250129-en
Behavioral task
behavioral31
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/libEGL.dll
Resource
win7-20241010-en
Behavioral task
behavioral32
Sample
Shohei's Adult Streaming Channel/lib/windows-i686/libEGL.dll
Resource
win10v2004-20250129-en
General
-
Target
Shohei's Adult Streaming Channel/lib/windows-i686/ShoheiAdultStreamingChannel.exe
-
Size
303KB
-
MD5
e84970f1a480d90cf3e603ef0299a59a
-
SHA1
6f97e84d09462f13075124954e2d163463b677c7
-
SHA256
a1074bd7f05a19c7e35ace72fb7543cdaf32cd85e565703b7d86d61662cfe1db
-
SHA512
2b5067cb1caf0cf65160a0450a3fcb2d2515e5dba93188d07272520bf439a905701a5410e32d379bb68881b1a2c878483af55a0cf7586bc4775b50a1feb7d7de
-
SSDEEP
6144:+tNGwuxKL6rqZ8Z6NtctRim5GpmfPqrC:EUqZ8M0i
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/5068-46-0x0000000000CF0000-0x0000000000CF9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral20/files/0x001700000001e682-3.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-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation euHFojf.exe -
Executes dropped EXE 1 IoCs
pid Process 5068 euHFojf.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe euHFojf.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe euHFojf.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe euHFojf.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe euHFojf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe euHFojf.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe euHFojf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe euHFojf.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe euHFojf.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe euHFojf.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe euHFojf.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe euHFojf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe euHFojf.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe euHFojf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe euHFojf.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE euHFojf.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe euHFojf.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe euHFojf.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe euHFojf.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe euHFojf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe euHFojf.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE euHFojf.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe euHFojf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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 ShoheiAdultStreamingChannel.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language euHFojf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4656 wrote to memory of 5068 4656 ShoheiAdultStreamingChannel.exe 85 PID 4656 wrote to memory of 5068 4656 ShoheiAdultStreamingChannel.exe 85 PID 4656 wrote to memory of 5068 4656 ShoheiAdultStreamingChannel.exe 85 PID 5068 wrote to memory of 2180 5068 euHFojf.exe 86 PID 5068 wrote to memory of 2180 5068 euHFojf.exe 86 PID 5068 wrote to memory of 2180 5068 euHFojf.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shohei's Adult Streaming Channel\lib\windows-i686\ShoheiAdultStreamingChannel.exe"C:\Users\Admin\AppData\Local\Temp\Shohei's Adult Streaming Channel\lib\windows-i686\ShoheiAdultStreamingChannel.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Users\Admin\AppData\Local\Temp\euHFojf.exeC:\Users\Admin\AppData\Local\Temp\euHFojf.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:5068 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\557f24d2.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2180
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
-
Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
-
Filesize
189B
MD5737d4616e85dc7adfa3b88bd4e1338bd
SHA10f133bdb98667491411794b4057228f082402e98
SHA2564583e1056e80b727534fd39ff94d0d77f7ffea1333c5f3d2e84953146f09591b
SHA5128452d45117022e0cbf80f4f458eb41cbc21d5378811a13ba1d3897f9235b0b4d3deb9c7bcc35dddbb6b931896a4529d75f17728c3a2c7962a059ade8911cb5ce
-
Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e