Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
24/02/2025, 04:29
Static task
static1
Behavioral task
behavioral1
Sample
2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe
Resource
win7-20240903-en
General
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Target
2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe
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Size
90KB
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MD5
247ef92b686574963cc63ee11a483abf
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SHA1
b3d602d4a137e7a6984ec42b279ce48950b9942a
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SHA256
5bd17818bef0048f63583e996130adf5a5eb9368ad0baa533ec40d740a9b7717
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SHA512
c8f93252db6086f18a3217408d0821ecf223192f23679b14731ba98ad02eaf21e354d598227277eac0b48521b2dc7a2546169a97d3585d97df487e6edbef1761
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SSDEEP
1536:KJgIzEO/p3BjXV1bG5r4rW7r4tc+L19sWjcdx8Ka2CGCq2iW7z:ov1/G5+L1C6RGCH
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/348-16-0x0000000000990000-0x0000000000999000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x000b000000012270-10.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 348 RRJzPJ.exe -
Loads dropped DLL 2 IoCs
pid Process 2520 2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe 2520 2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe RRJzPJ.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe RRJzPJ.exe File opened for modification C:\Program Files\Windows Mail\wab.exe RRJzPJ.exe File opened for modification C:\Program Files\Windows Mail\WinMail.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe RRJzPJ.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jre7\bin\ssvagent.exe RRJzPJ.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe RRJzPJ.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE RRJzPJ.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe RRJzPJ.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe RRJzPJ.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe RRJzPJ.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jre7\bin\orbd.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exe RRJzPJ.exe File opened for modification C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE RRJzPJ.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe RRJzPJ.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe RRJzPJ.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\misc.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Windows Mail\WinMail.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jre7\bin\javaws.exe RRJzPJ.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe RRJzPJ.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE RRJzPJ.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE RRJzPJ.exe File opened for modification C:\Program Files\Java\jre7\bin\kinit.exe RRJzPJ.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE RRJzPJ.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jre7\bin\tnameserv.exe RRJzPJ.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jre7\bin\java-rmi.exe RRJzPJ.exe File opened for modification C:\Program Files\Windows Sidebar\sidebar.exe RRJzPJ.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe RRJzPJ.exe File opened for modification C:\Program Files\7-Zip\7zG.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe RRJzPJ.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe RRJzPJ.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe RRJzPJ.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 2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RRJzPJ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2520 wrote to memory of 348 2520 2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe 31 PID 2520 wrote to memory of 348 2520 2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe 31 PID 2520 wrote to memory of 348 2520 2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe 31 PID 2520 wrote to memory of 348 2520 2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe 31 PID 348 wrote to memory of 1804 348 RRJzPJ.exe 34 PID 348 wrote to memory of 1804 348 RRJzPJ.exe 34 PID 348 wrote to memory of 1804 348 RRJzPJ.exe 34 PID 348 wrote to memory of 1804 348 RRJzPJ.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Users\Admin\AppData\Local\Temp\RRJzPJ.exeC:\Users\Admin\AppData\Local\Temp\RRJzPJ.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:348 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\288f55b5.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:1804
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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\1LNUKNV0\k2[1].rar
Filesize4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
187B
MD59ad925f41b18c699ccfa2e8f6e7b0127
SHA1a8dbe609c638976df4e8061c407f6bc8b762ab6f
SHA256fe856476636668f809bc44b19991be47419e493860b2615c6a38e2a2288d6864
SHA5121e90de6a8e9b4ba72865024d3038fb6ed377d4dcd47602d1056abc8a077e365f2a4f43ba0c720f7b76da81fb81abad666b2b01fb83c13bde0a73ca66913ee425
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e