Analysis
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max time kernel
140s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
27-01-2025 05:46
Static task
static1
Behavioral task
behavioral1
Sample
d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe
Resource
win7-20240903-en
General
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Target
d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe
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Size
690KB
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MD5
35e6aaf1eca60fa4d65188098602a7ea
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SHA1
ff1e9a8e3c178a6024501fff2a65b825fddaf0f7
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SHA256
d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9
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SHA512
629805de5a178dfff6864a662b7486644e385f158c35754c88e6c2f6a873cb50384e83ea8a4dbe14a2223a0f2cf2b9a49bc7509ce62466809c68cb7afa481125
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SSDEEP
12288:2sDp2pLNWWstGnb/pbflbrfWsYIzdnqR9OSHuLOj+RH0Djt8t5zyJ9oS:nDALA2NJbrfbxzdnqR9Oguij+6v45z
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec family
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Blackmoon family
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Detect Blackmoon payload 1 IoCs
resource yara_rule behavioral1/memory/2004-55-0x0000000000400000-0x000000000056B000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/1848-53-0x0000000000A40000-0x0000000000A49000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x000d000000012261-2.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 1848 EuAZDk.exe -
Loads dropped DLL 2 IoCs
pid Process 2004 d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe 2004 d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Windows Defender\MpCmdRun.exe EuAZDk.exe File opened for modification C:\Program Files\Windows Journal\PDIALOG.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE EuAZDk.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe EuAZDk.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe EuAZDk.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe EuAZDk.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe EuAZDk.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe EuAZDk.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe EuAZDk.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jre7\bin\jabswitch.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe EuAZDk.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe EuAZDk.exe File opened for modification C:\Program Files\Microsoft Games\Chess\Chess.exe EuAZDk.exe File opened for modification C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE EuAZDk.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE EuAZDk.exe File opened for modification C:\Program Files\7-Zip\7z.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe EuAZDk.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe EuAZDk.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe EuAZDk.exe File opened for modification C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE EuAZDk.exe File opened for modification C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jre7\bin\policytool.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jre7\bin\klist.exe EuAZDk.exe File opened for modification C:\Program Files\Windows Mail\WinMail.exe EuAZDk.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe EuAZDk.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe EuAZDk.exe File opened for modification C:\Program Files\Java\jre7\bin\rmiregistry.exe EuAZDk.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 d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EuAZDk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2004 d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2004 wrote to memory of 1848 2004 d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe 30 PID 2004 wrote to memory of 1848 2004 d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe 30 PID 2004 wrote to memory of 1848 2004 d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe 30 PID 2004 wrote to memory of 1848 2004 d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe 30 PID 1848 wrote to memory of 2628 1848 EuAZDk.exe 32 PID 1848 wrote to memory of 2628 1848 EuAZDk.exe 32 PID 1848 wrote to memory of 2628 1848 EuAZDk.exe 32 PID 1848 wrote to memory of 2628 1848 EuAZDk.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe"C:\Users\Admin\AppData\Local\Temp\d81206d92eba1d458b702f8f7aaabf661e998cc90ccf43a626a29602aabf2ce9.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2004 -
C:\Users\Admin\AppData\Local\Temp\EuAZDk.exeC:\Users\Admin\AppData\Local\Temp\EuAZDk.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\7c5347d8.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2628
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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\MPUI9R2R\k2[1].rar
Filesize4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
187B
MD557d23d0329d5e2abd57328d53d7244b5
SHA1858f8d1bba1fc01125a0cbdb3ca9069b62e28a11
SHA256453e8669c49a955aeee86159e38ad4a17fdf16e43f9f61fc5cf046e4d5e5453f
SHA5123b7d2a6f3294bd7e02957184e29583ac5d3d6980b786900011dd63e8f9aec916ad8090ee61789dc215c05672feaafc2f57212963be1a79d43ac5a1665a5adf23
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e