Analysis
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max time kernel
19s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-12-2024 14:38
Static task
static1
Behavioral task
behavioral1
Sample
88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe
Resource
win7-20240903-en
General
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Target
88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe
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Size
1.3MB
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MD5
9d4ae503909970a9d7826540199ca021
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SHA1
d85e0c38dcdb692deb0251e1d368fadd4fb25e03
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SHA256
88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d
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SHA512
5bb73199535569817bc7bb20e2de010823e8016ecc6a69062bff05a66e0e5535a438557b87177a01d56194a6d5281a470e658f24235e224216f46dbee19af9fb
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SSDEEP
24576:YFdNA4IjV130iEu32T3Jrk3D/szFOHh2dwU/9BOzFN0DJyH/mT:co1EiENZyYzFOHh2yS9Apxm
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/1912-50-0x0000000000840000-0x0000000000849000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x0007000000012119-12.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 1912 ETociU.exe -
Loads dropped DLL 2 IoCs
pid Process 3052 88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe 3052 88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe ETociU.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe ETociU.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE ETociU.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe ETociU.exe File opened for modification C:\Program Files\Java\jre7\bin\java-rmi.exe ETociU.exe File opened for modification C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE ETociU.exe File opened for modification C:\Program Files\Windows Defender\MpCmdRun.exe ETociU.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe ETociU.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe ETociU.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe ETociU.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe ETociU.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe ETociU.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe ETociU.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe ETociU.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe ETociU.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe ETociU.exe File opened for modification C:\Program Files\ReadBlock.exe ETociU.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe ETociU.exe File opened for modification C:\Program Files (x86)\Google\Update\Install\{FC37790F-E395-416A-A1A1-53BC987E89B4}\chrome_installer.exe ETociU.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe ETociU.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exe ETociU.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe ETociU.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe ETociU.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe ETociU.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe ETociU.exe File opened for modification C:\Program Files\Java\jre7\bin\klist.exe ETociU.exe File opened for modification C:\Program Files\Java\jre7\bin\tnameserv.exe ETociU.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe ETociU.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe ETociU.exe File opened for modification C:\Program Files\Java\jre7\bin\javaw.exe ETociU.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe ETociU.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE ETociU.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe ETociU.exe File opened for modification C:\Program Files\Windows Journal\PDIALOG.exe ETociU.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe ETociU.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE ETociU.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe ETociU.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe ETociU.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe ETociU.exe File opened for modification C:\Program Files\Java\jre7\bin\kinit.exe ETociU.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 88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ETociU.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3052 wrote to memory of 1912 3052 88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe 30 PID 3052 wrote to memory of 1912 3052 88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe 30 PID 3052 wrote to memory of 1912 3052 88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe 30 PID 3052 wrote to memory of 1912 3052 88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe 30 PID 1912 wrote to memory of 2584 1912 ETociU.exe 33 PID 1912 wrote to memory of 2584 1912 ETociU.exe 33 PID 1912 wrote to memory of 2584 1912 ETociU.exe 33 PID 1912 wrote to memory of 2584 1912 ETociU.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe"C:\Users\Admin\AppData\Local\Temp\88c80731446aa225fe196fa58cf799654291c0f68ecf503f6a112d25e97de65d.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Users\Admin\AppData\Local\Temp\ETociU.exeC:\Users\Admin\AppData\Local\Temp\ETociU.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\066a0d4a.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2584
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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
MD549d89edc6307c5026f41b9f254eac37b
SHA14923aff4abfa7d7563f57e36998b9120238de691
SHA25691a602fe10b5e1f5006c0d6f4df425eda57582e152f0b0bf1af78c3096a018d4
SHA5125ae07ac67d0a3fb67c10008773aa862ca6355cc9e91c3ca6b36977ab2342ed0c86eb9555abbe057cc80f383f52599fd60fd7ed478cd48b1968154ec2b83bfa61
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e