Analysis
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max time kernel
110s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-01-2025 00:54
Static task
static1
Behavioral task
behavioral1
Sample
7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
Resource
win7-20240903-en
General
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Target
7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
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Size
930KB
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MD5
7b69bda4c2571cfacbf5a04837647f7e
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SHA1
e15c3f93555ff159d209cb13f05db66e4307b250
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SHA256
7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888
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SHA512
04037e60b3ecb9d6b596c06866aa611242c7a14323d9384b24c269a9beceae58e8325fcea2b9879893836eccf6ca388a237000f2077230765e5829731c977c65
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SSDEEP
12288:hr+/U0UAQ0QkiWNlyxRCugvijhCWTJUuD6q9RIHwjMj+F8ii6JqgkYUV+I7cKRgF:hqBUAPiWNA0vijQWquD2wjqIO6lnicKY
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Detects Bdaejec Backdoor. 2 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/1780-12-0x0000000000E20000-0x0000000000E29000-memory.dmp family_bdaejec_backdoor behavioral1/memory/1780-38-0x0000000000E20000-0x0000000000E29000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x00090000000120f9-3.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 1780 byvEek.exe -
Loads dropped DLL 2 IoCs
pid Process 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe File opened (read-only) \??\F: 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\7z.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe byvEek.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe byvEek.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe byvEek.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe byvEek.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe byvEek.exe File opened for modification C:\Program Files\7-Zip\7zG.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\ktab.exe byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\kinit.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\rmid.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\tnameserv.exe byvEek.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE byvEek.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\keytool.exe byvEek.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe byvEek.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE byvEek.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\jabswitch.exe byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE byvEek.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe byvEek.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe byvEek.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\sidebar.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\orbd.exe byvEek.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe byvEek.exe File opened for modification C:\Program Files\Windows Mail\wab.exe byvEek.exe File opened for modification C:\Program Files\Java\jre7\bin\jp2launcher.exe byvEek.exe File opened for modification C:\Program Files\Microsoft Games\Chess\Chess.exe byvEek.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe byvEek.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe byvEek.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe byvEek.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe byvEek.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe byvEek.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe byvEek.exe 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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 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language byvEek.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe -
Suspicious use of SendNotifyMessage 4 IoCs
pid Process 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2092 wrote to memory of 1780 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 30 PID 2092 wrote to memory of 1780 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 30 PID 2092 wrote to memory of 1780 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 30 PID 2092 wrote to memory of 1780 2092 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe 30 PID 1780 wrote to memory of 2620 1780 byvEek.exe 31 PID 1780 wrote to memory of 2620 1780 byvEek.exe 31 PID 1780 wrote to memory of 2620 1780 byvEek.exe 31 PID 1780 wrote to memory of 2620 1780 byvEek.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe"C:\Users\Admin\AppData\Local\Temp\7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Users\Admin\AppData\Local\Temp\byvEek.exeC:\Users\Admin\AppData\Local\Temp\byvEek.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1780 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\230d0208.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2620
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD52ca0a504306d50a3bceceead1c2bd4b2
SHA1c43e18aebc3ae77c9f3d06722af25b8cb26bceba
SHA2566e96531048ad5b7df5aaf911415ddef81c61776d24d42a38f597137ac3907665
SHA51288ef864cb3d6cef8336d2d1de2b785a7e496c02af2a2c836aab31e3a00f0476f6ce297452af44bacdf6bf93e3c590836aaaf413094735032e3d87b8a5ce3dbd2
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e