Analysis
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max time kernel
94s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-11-2024 18:39
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-09_8ca7b1520fbe285260ef5de8330af154_avoslocker_cobalt-strike_luca-stealer_wapomi.exe
Resource
win7-20241010-en
General
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Target
2024-11-09_8ca7b1520fbe285260ef5de8330af154_avoslocker_cobalt-strike_luca-stealer_wapomi.exe
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Size
606KB
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MD5
8ca7b1520fbe285260ef5de8330af154
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SHA1
57355e69f1f917cf44b5bdee6d92571395058f3e
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SHA256
573cc803fc63cd20fa7fa5212c9dfaa4a3947e2c73aa8fe1cdae8f70786f5dea
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SHA512
e859a1f3c54070733c1d2a50ccba80592c7392f4bb8dbcf6e3ff76418b7687de62db2c7147ddaa954dd6db582808cf74c5e71fb9a1394196b849750ddf0445d5
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SSDEEP
12288:KubXcwafJcLln5QwnVWqqPIBONhxsU/E:KurP90r/xsU/E
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 behavioral2/memory/1764-97-0x0000000000210000-0x0000000000219000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000c000000023b3e-3.dat aspack_v212_v242 -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation SJLUcrox.exe -
Executes dropped EXE 1 IoCs
pid Process 1764 SJLUcrox.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe SJLUcrox.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE SJLUcrox.exe File opened for modification C:\Program Files\MountSet.exe SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE SJLUcrox.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jjs.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe SJLUcrox.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe SJLUcrox.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE SJLUcrox.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE SJLUcrox.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe SJLUcrox.exe File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe SJLUcrox.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe SJLUcrox.exe File opened for modification C:\Program Files\dotnet\dotnet.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\xjc.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaw.exe SJLUcrox.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe SJLUcrox.exe File opened for modification C:\Program Files (x86)\Windows Mail\wab.exe SJLUcrox.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe SJLUcrox.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe SJLUcrox.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe SJLUcrox.exe File opened for modification C:\Program Files\Windows Mail\wab.exe SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe SJLUcrox.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe SJLUcrox.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 2024-11-09_8ca7b1520fbe285260ef5de8330af154_avoslocker_cobalt-strike_luca-stealer_wapomi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SJLUcrox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1924 wrote to memory of 1764 1924 2024-11-09_8ca7b1520fbe285260ef5de8330af154_avoslocker_cobalt-strike_luca-stealer_wapomi.exe 83 PID 1924 wrote to memory of 1764 1924 2024-11-09_8ca7b1520fbe285260ef5de8330af154_avoslocker_cobalt-strike_luca-stealer_wapomi.exe 83 PID 1924 wrote to memory of 1764 1924 2024-11-09_8ca7b1520fbe285260ef5de8330af154_avoslocker_cobalt-strike_luca-stealer_wapomi.exe 83 PID 1764 wrote to memory of 2524 1764 SJLUcrox.exe 89 PID 1764 wrote to memory of 2524 1764 SJLUcrox.exe 89 PID 1764 wrote to memory of 2524 1764 SJLUcrox.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-09_8ca7b1520fbe285260ef5de8330af154_avoslocker_cobalt-strike_luca-stealer_wapomi.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-09_8ca7b1520fbe285260ef5de8330af154_avoslocker_cobalt-strike_luca-stealer_wapomi.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Users\Admin\AppData\Local\Temp\SJLUcrox.exeC:\Users\Admin\AppData\Local\Temp\SJLUcrox.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1e983318.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:2524
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
191B
MD5f81875094a78ecb0cd09af4b0b01338c
SHA1edbdb41259f0caa7044696569fe8b9b106e62a64
SHA2565b9e58b805569ff2dadef8b241a9f31231317677fba0313f331f1f1de6abee38
SHA512eb8005e005d302cea6946d6b2c201ef69a1125ba85aca4490fbfe41c557ddcec1111ea4c120fd18575d80b9137acf5548a368efce588abd9df6965a4f8d48179
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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Filesize
6KB
MD527b5af745522cbd26067ad78d222c202
SHA1e75e2a44600fc687a9ddac991e51e69eedc39a47
SHA25691176401964e2e9efa9784af33920c254625276b29abd74728dda4fee078edff
SHA5128ba5bf60b3f611037e195997543f3ceb47dab7387ada12ce15f43025b955d4030010959fd46ba99b45ab8b975c7aa5e897e939a45d7dda352345b82e08ec6d5b