Analysis
-
max time kernel
93s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02/12/2024, 18:08
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe
Resource
win7-20240903-en
General
-
Target
2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe
-
Size
168KB
-
MD5
ad3c818557b8156e16c35b568f8b83f8
-
SHA1
716cb076d3d90ba16d24594b6648c28c43ad4e7e
-
SHA256
3a8d3231d89d733c1a4f5cd1f44eef14f31bd286682e44bc4ccdd63e40ee7cc3
-
SHA512
20d2b6eae10ef8166b7f85a85b86b7e18281c67673c7287f0a573d9b6c764c8c89a0246355f6ab09e410860c2cb0195b969599b7112387353414cf6b0da29fdf
-
SSDEEP
1536:W6fZO3jpPdcwLF5zrfQ2erSaMrb4W5QTq9gQf+PcQdqbmsWjcdrnYNY1lme4OtBP:WIe7RUwFrbsa+74bJzYNY1kGB+PqGCH
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
-
Bdaejec family
-
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/1984-46-0x0000000000E80000-0x0000000000E89000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b1e-2.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation gHjMJt.exe -
Executes dropped EXE 1 IoCs
pid Process 1984 gHjMJt.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe gHjMJt.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe gHjMJt.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe gHjMJt.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE gHjMJt.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe gHjMJt.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe gHjMJt.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE gHjMJt.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe gHjMJt.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\kinit.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe gHjMJt.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe gHjMJt.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe gHjMJt.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE gHjMJt.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe gHjMJt.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdb.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsimport.exe gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe gHjMJt.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE gHjMJt.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe gHjMJt.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe gHjMJt.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe gHjMJt.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 2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gHjMJt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1496 wrote to memory of 1984 1496 2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe 83 PID 1496 wrote to memory of 1984 1496 2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe 83 PID 1496 wrote to memory of 1984 1496 2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe 83 PID 1984 wrote to memory of 1332 1984 gHjMJt.exe 84 PID 1984 wrote to memory of 1332 1984 gHjMJt.exe 84 PID 1984 wrote to memory of 1332 1984 gHjMJt.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Users\Admin\AppData\Local\Temp\gHjMJt.exeC:\Users\Admin\AppData\Local\Temp\gHjMJt.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:1984 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1c714141.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1332
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
-
Filesize
187B
MD59b8db4b57407ef76e03d7eed2057c10c
SHA1053850f1ce0fbe801771906e1efbc7e69898a7f7
SHA25640fae047c2c9cec7dac0f59bbb4aa1b6b3205e589dc4b3e8c5d027ae0a6edfa8
SHA512e1359c54757b0904b5965e669f4f29b185be5483ec0e7b299e0d196d9b11cf640c5b00850dffdc44bd1497252f727c5395d9ede97a82b8521608e39b3113158c
-
Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
-
Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e