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Analysis
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max time kernel
118s -
max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31/12/2024, 05:14
Static task
static1
Behavioral task
behavioral1
Sample
8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe
Resource
win7-20240903-en
General
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Target
8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe
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Size
104KB
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MD5
0f3ea0f5dd4f63c920b1985ece3f7b4f
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SHA1
a2b827719e963078f0bfe3648b83ea148851d96d
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SHA256
8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5
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SHA512
3fade54ae287a8e28ca44fcceb0372819668574df394a84a851801edae8f4ea080d4b47bb55bce33721528087d3dcc233256fa9cbb13edaf1b15bb88e3b0d520
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SSDEEP
1536:DFEL0c3++wG5NlKOln9N7oKsMmuB2IMokC+0FfHYToSMygGCq2iW7zq:DFUxlnjmDXokC+GfHYToSMTGCHm
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/2432-36-0x0000000001170000-0x0000000001179000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x000c000000012281-2.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 2432 MfmirF.exe -
Loads dropped DLL 2 IoCs
pid Process 3024 8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe 3024 8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe MfmirF.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE MfmirF.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe MfmirF.exe File opened for modification C:\Program Files\Java\jre7\bin\javaw.exe MfmirF.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe MfmirF.exe File opened for modification C:\Program Files\Java\jre7\bin\klist.exe MfmirF.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE MfmirF.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE MfmirF.exe File opened for modification C:\Program Files\7-Zip\7z.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe MfmirF.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe MfmirF.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE MfmirF.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe MfmirF.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE MfmirF.exe File opened for modification C:\Program Files\DVD Maker\DVDMaker.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe MfmirF.exe File opened for modification C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe MfmirF.exe File opened for modification C:\Program Files\Windows Mail\WinMail.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE MfmirF.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\sidebar.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe MfmirF.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe MfmirF.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exe MfmirF.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe MfmirF.exe File opened for modification C:\Program Files\Java\jre7\bin\pack200.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Windows Mail\WinMail.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe MfmirF.exe File opened for modification C:\Program Files\Java\jre7\bin\java.exe MfmirF.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe MfmirF.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe MfmirF.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe MfmirF.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe MfmirF.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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MfmirF.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3024 wrote to memory of 2432 3024 8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe 31 PID 3024 wrote to memory of 2432 3024 8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe 31 PID 3024 wrote to memory of 2432 3024 8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe 31 PID 3024 wrote to memory of 2432 3024 8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe 31 PID 2432 wrote to memory of 2700 2432 MfmirF.exe 33 PID 2432 wrote to memory of 2700 2432 MfmirF.exe 33 PID 2432 wrote to memory of 2700 2432 MfmirF.exe 33 PID 2432 wrote to memory of 2700 2432 MfmirF.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe"C:\Users\Admin\AppData\Local\Temp\8fe8638fc0de6cc719a93d19c35becb82f06f1c1d00f09e3e9afb62f72b5a7a5.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Users\Admin\AppData\Local\Temp\MfmirF.exeC:\Users\Admin\AppData\Local\Temp\MfmirF.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\07951f50.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2700
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7CNUR30T\k2[1].rar
Filesize4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
187B
MD55a70233f752d1eca778f26832fe89c91
SHA164d1978e72f73e28cb9dda905d145922c96b647f
SHA2566fcf662b04171f87dcd0d1d827a05ae7dce15879cc78db5e87fa203352520001
SHA51286426dfd7a2b3b903179415a9102a22d321673ea3e424f597ba211491c1cc726fc3d91b5444cdbf58a8ec3d262487cce1d350f56c1bce1feeb38feff5274a351
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e