Analysis
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max time kernel
140s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
13/12/2024, 08:18
Static task
static1
Behavioral task
behavioral1
Sample
2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe
Resource
win7-20241010-en
General
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Target
2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe
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Size
704KB
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MD5
5b48fbfeeabbe8968337c81dec67787a
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SHA1
c0ded665dd21be391661019fa3a27c34e5e6c612
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SHA256
2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739
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SHA512
802b9dc9eb973ddf463dd43aeb02e40b75c0e8418f84abf27bc4ce9b0eca21da59b202d3b9d47510878e31e38022e94246ed2daceea71f2d178dbd9047eef49a
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SSDEEP
12288:8XqidhRfCH2Dlei4KxsSKqHVtcxfM+sGxfKPLTphsA+KEdr5j5azYLwaoS:8vhGWztzVtcxfM9KKHs5KujQzYL
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/2064-56-0x0000000000400000-0x00000000006EE000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/2540-54-0x0000000000990000-0x0000000000999000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x000a000000012262-1.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 2540 xCogHM.exe -
Loads dropped DLL 2 IoCs
pid Process 2064 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe 2064 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre7\bin\policytool.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe xCogHM.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\misc.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE xCogHM.exe File opened for modification C:\Program Files\Microsoft Games\Hearts\Hearts.exe xCogHM.exe File opened for modification C:\Program Files\Windows Journal\PDIALOG.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE xCogHM.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Games\Chess\Chess.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe xCogHM.exe File opened for modification C:\Program Files\Mozilla Firefox\default-browser-agent.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe xCogHM.exe File opened for modification C:\Program Files\7-Zip\7z.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre7\bin\jabswitch.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre7\bin\javaws.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe xCogHM.exe File opened for modification C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe xCogHM.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\java.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE xCogHM.exe File opened for modification C:\Program Files\Java\jre7\bin\servertool.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre7\bin\unpack200.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE xCogHM.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\sidebar.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre7\bin\rmid.exe xCogHM.exe File opened for modification C:\Program Files\Java\jre7\bin\kinit.exe xCogHM.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE xCogHM.exe File opened for modification C:\Program Files\7-Zip\7zG.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE xCogHM.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe xCogHM.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe xCogHM.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 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language xCogHM.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2064 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2064 wrote to memory of 2540 2064 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe 30 PID 2064 wrote to memory of 2540 2064 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe 30 PID 2064 wrote to memory of 2540 2064 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe 30 PID 2064 wrote to memory of 2540 2064 2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe 30 PID 2540 wrote to memory of 3024 2540 xCogHM.exe 33 PID 2540 wrote to memory of 3024 2540 xCogHM.exe 33 PID 2540 wrote to memory of 3024 2540 xCogHM.exe 33 PID 2540 wrote to memory of 3024 2540 xCogHM.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe"C:\Users\Admin\AppData\Local\Temp\2776ef36e037e6e8f8968d2bb03570cdb4149a5b837edbbeb9c5f5e08d244739.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Users\Admin\AppData\Local\Temp\xCogHM.exeC:\Users\Admin\AppData\Local\Temp\xCogHM.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\71d51301.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:3024
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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\NT668XG4\k2[1].rar
Filesize4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
187B
MD5ea8e14082fbf83536e8e5c631240ff86
SHA10706ee722c478d41ad560c8d5dec6a71e8484360
SHA25610f5782c488dfe22a389bbd7c34964735b9fc30bcc19f72fa96200d6aaf40701
SHA512eb325f9226dff66a4e637e5ad3e9c3b65abe7361ab028b82718c11517463192e5efab7efa8c2176c92a18463a2e96d1b9216cc8b7cb66529c25a1d537ef840c9
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e