Analysis
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max time kernel
140s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
13-12-2024 10:24
Static task
static1
Behavioral task
behavioral1
Sample
c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe
Resource
win7-20241010-en
General
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Target
c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe
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Size
671KB
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MD5
84c267e998d6f0f1f629d4648ec5e01f
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SHA1
f272039a615539da36c874a2f014a07671ebc06a
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SHA256
c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c
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SHA512
90af184d608819210711237f4fe17ed5203a7df1d705eabdb5083ceb2f323c72b72b3defcd764a3f7cc213fb001da471237e6926aa5a4906a63fad8b295bba45
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SSDEEP
12288:o0gZ0eZUJjYucy1yxwIchIgZIFwdPisZWRYzc4TSZYNKCOX72oS:YuRjYup1jhIg4wQ4coJNqr
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/2288-38-0x0000000000400000-0x00000000006E0000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/2752-36-0x0000000000010000-0x0000000000019000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x00070000000120fc-2.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 2752 NUcbFz.exe -
Loads dropped DLL 2 IoCs
pid Process 2288 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe 2288 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE NUcbFz.exe File opened for modification C:\Program Files\DVD Maker\DVDMaker.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe NUcbFz.exe File opened for modification C:\Program Files\Windows Mail\wab.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE NUcbFz.exe File opened for modification C:\Program Files\Java\jre7\bin\klist.exe NUcbFz.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE NUcbFz.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe NUcbFz.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre7\bin\jabswitch.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe NUcbFz.exe File opened for modification C:\Program Files\Windows Mail\WinMail.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE NUcbFz.exe File opened for modification C:\Program Files (x86)\Windows Mail\wabmig.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE NUcbFz.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre7\bin\java.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre7\bin\rmiregistry.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Games\Hearts\Hearts.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe NUcbFz.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jre7\bin\policytool.exe NUcbFz.exe File opened for modification C:\Program Files\Mozilla Firefox\updater.exe NUcbFz.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe NUcbFz.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe NUcbFz.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe NUcbFz.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 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NUcbFz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2288 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2288 wrote to memory of 2752 2288 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe 28 PID 2288 wrote to memory of 2752 2288 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe 28 PID 2288 wrote to memory of 2752 2288 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe 28 PID 2288 wrote to memory of 2752 2288 c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe 28 PID 2752 wrote to memory of 2684 2752 NUcbFz.exe 29 PID 2752 wrote to memory of 2684 2752 NUcbFz.exe 29 PID 2752 wrote to memory of 2684 2752 NUcbFz.exe 29 PID 2752 wrote to memory of 2684 2752 NUcbFz.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe"C:\Users\Admin\AppData\Local\Temp\c666e2b935ab9834f82f6554749901b635f871975ce2d2ea999a42c67622c26c.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Users\Admin\AppData\Local\Temp\NUcbFz.exeC:\Users\Admin\AppData\Local\Temp\NUcbFz.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\446e7422.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2684
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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\K0PVW9XR\k2[1].rar
Filesize4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
187B
MD590394cb4d2568eacc7a173c0ea31c2aa
SHA1a47ab0c7989b8f08a6ee5cfc77739981a4f63142
SHA2566e9651cad5ba21a75e78c790f371fd76fa475bdc502f12cd4dfa988ae779eaf3
SHA512b958264f71dfe851d7367c0e919095e14db6b50d28449e7ec7b07bf05ebc19e9cac86a15711c558afd6b4c8991dfa00749daaa765616f3fe5a76e17ecf0f21a9
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e