Analysis
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max time kernel
140s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
01-01-2025 14:41
Static task
static1
Behavioral task
behavioral1
Sample
a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe
Resource
win7-20240729-en
General
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Target
a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe
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Size
1.6MB
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MD5
8a2569376394187c5f4bf586ddbd26b9
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SHA1
2c43557cd605431f9d78153b8430cab25f3ab104
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SHA256
a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7
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SHA512
dfb41641f5c6f7da4bf540202c9b286db45bd7bfe04058b098088cf2971bb5a3e097d37b8fd22d42d528fdd07d210ff3f0b43badca580b9b8957a0d9c302b056
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SSDEEP
24576:hbzujSc7XTwRqofD9kwvbkzbLB/FzeFwYcYtnH4yC0iS4McS8XkkjYvW:hGjSc7DJYmwjiN1rYtnYVS4MMXfjYvW
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/2368-32-0x0000000000400000-0x0000000000B11000-memory.dmp family_blackmoon -
Detects Bdaejec Backdoor. 2 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral1/memory/2132-12-0x0000000000F30000-0x0000000000F39000-memory.dmp family_bdaejec_backdoor behavioral1/memory/2132-30-0x0000000000F30000-0x0000000000F39000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral1/files/0x000c00000001226d-7.dat aspack_v212_v242 -
Executes dropped EXE 1 IoCs
pid Process 2132 ASclmh.exe -
Loads dropped DLL 2 IoCs
pid Process 2368 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe 2368 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jre7\bin\policytool.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE ASclmh.exe File opened for modification C:\Program Files\Java\jre7\bin\jabswitch.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe ASclmh.exe File opened for modification C:\Program Files\7-Zip\7zG.exe ASclmh.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE ASclmh.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe ASclmh.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe ASclmh.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Windows Mail\WinMail.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe ASclmh.exe File opened for modification C:\Program Files\Java\jre7\bin\javaws.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE ASclmh.exe File opened for modification C:\Program Files\Windows Journal\Journal.exe ASclmh.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe ASclmh.exe File opened for modification C:\Program Files\Java\jre7\bin\javacpl.exe ASclmh.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe ASclmh.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe ASclmh.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe ASclmh.exe File opened for modification C:\Program Files\Java\jre7\bin\kinit.exe ASclmh.exe File opened for modification C:\Program Files\Java\jre7\bin\ssvagent.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe ASclmh.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe ASclmh.exe File opened for modification C:\Program Files\Windows Defender\MSASCui.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE ASclmh.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE ASclmh.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe ASclmh.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe ASclmh.exe File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe ASclmh.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe ASclmh.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 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ASclmh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2368 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2368 wrote to memory of 2132 2368 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe 30 PID 2368 wrote to memory of 2132 2368 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe 30 PID 2368 wrote to memory of 2132 2368 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe 30 PID 2368 wrote to memory of 2132 2368 a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe 30 PID 2132 wrote to memory of 2768 2132 ASclmh.exe 32 PID 2132 wrote to memory of 2768 2132 ASclmh.exe 32 PID 2132 wrote to memory of 2768 2132 ASclmh.exe 32 PID 2132 wrote to memory of 2768 2132 ASclmh.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe"C:\Users\Admin\AppData\Local\Temp\a387a5fccd194617e1a649830da9be2f38ecab5135c7d60e84802696275bffa7.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Users\Admin\AppData\Local\Temp\ASclmh.exeC:\Users\Admin\AppData\Local\Temp\ASclmh.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\58422c99.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
187B
MD5fbf36f8d6a38ba8102a5f0a24e6e4064
SHA1bf6742aa32912a883fd12d93129f1fc525d67b87
SHA2566624dc6ae1d4e23a58b44efcecf6eada4b6553d79c50c653284048e4dd596a62
SHA512d9ee8e4d3e4fc110830c58576396df905329cc694eae0f86b808cbbbd67ac9f5f7e1a6a95adf39b921c410631da853c09f7a475ecb83ca6e46d8aa7f7cac9204
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e