Analysis
- max time kernel
117s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system - submitted
26/07/2024, 20:05
Behavioral task
behavioral1
Sample
4d72ed86771ac73d128af7a70a0ea6c0N.exe
Resource
win7-20240708-en
windows7-x64
11 signatures
120 seconds
Behavioral task
behavioral2
Sample
4d72ed86771ac73d128af7a70a0ea6c0N.exe
Resource
win10v2004-20240704-en
windows10-2004-x64
12 signatures
120 seconds
General
- Target 4d72ed86771ac73d128af7a70a0ea6c0N.exe
- Size 76KB
- Sample240726-yt2qmsvdld
- SHA256 11ad30da3947a954fac9a3a5e5b15d2a9635daa7f83d2b714064f2837735fb50
- MD5 4d72ed86771ac73d128af7a70a0ea6c0
- SHA1 d4a218fa6d5f1ccc34c36f2925fb2769610e8783
- SHA512 b7a7aa0aefcc182a3dda4cb2608b55b4f82b32e2f67fb7725ad5c3f6f39f816cc0df9d94ff664ab819cb7f9761c8cf9bfcba1b5467f1aea775f9f9c1af6adca8
- SSDEEP 1536:Qqs7ZEey1A34L1LqXb0FXEZt4WY/KCo5uGCq2iW7z:QL7ZElCgLqXb4It4LK9YGCH
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
-
resource yara_rule behavioral2/files/0x000600000002325a-3.dat aspack_v212_v242 - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation VvjgbB.exe Key value queried \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation VvjgbB.exe - Deletes itself 1 IoCs
pid Process 5104 dwm.exe - Executes dropped EXE 3 IoCs
pid Process 4692 VvjgbB.exe 5104 dwm.exe 1956 VvjgbB.exe -
resource yara_rule behavioral2/memory/3464-0-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/memory/3464-49-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/files/0x00110000000234e3-53.dat upx behavioral2/memory/3464-65-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/memory/3464-66-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/memory/5104-67-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/memory/3464-69-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/memory/5104-71-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/memory/5104-73-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/memory/5104-75-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral2/memory/5104-77-0x0000000000400000-0x000000000046C000-memory.dmp upx - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe" 4d72ed86771ac73d128af7a70a0ea6c0N.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\schemagen.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jjs.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\misc.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe VvjgbB.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\ktab.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\pack200.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\servertool.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe VvjgbB.exe File opened for modification C:\Program Files\Mozilla Firefox\minidump-analyzer.exe VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe VvjgbB.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe VvjgbB.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\tnameserv.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe VvjgbB.exe File opened for modification C:\Program Files\Mozilla Firefox\uninstall\helper.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE VvjgbB.exe File opened for modification C:\Program Files\Mozilla Firefox\pingsender.exe VvjgbB.exe File opened for modification C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe VvjgbB.exe File opened for modification C:\Program Files\dotnet\dotnet.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe VvjgbB.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe VvjgbB.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jmap.exe VvjgbB.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe VvjgbB.exe File opened for modification C:\Program Files\Windows Mail\wabmig.exe VvjgbB.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe VvjgbB.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 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 dwm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VvjgbB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4d72ed86771ac73d128af7a70a0ea6c0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language VvjgbB.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5104 dwm.exe 5104 dwm.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5104 dwm.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3464 wrote to memory of 4692 3464 4d72ed86771ac73d128af7a70a0ea6c0N.exe 83 PID 3464 wrote to memory of 4692 3464 4d72ed86771ac73d128af7a70a0ea6c0N.exe 83 PID 3464 wrote to memory of 4692 3464 4d72ed86771ac73d128af7a70a0ea6c0N.exe 83 PID 4692 wrote to memory of 4552 4692 VvjgbB.exe 92 PID 4692 wrote to memory of 4552 4692 VvjgbB.exe 92 PID 4692 wrote to memory of 4552 4692 VvjgbB.exe 92 PID 3464 wrote to memory of 5104 3464 4d72ed86771ac73d128af7a70a0ea6c0N.exe 97 PID 3464 wrote to memory of 5104 3464 4d72ed86771ac73d128af7a70a0ea6c0N.exe 97 PID 3464 wrote to memory of 5104 3464 4d72ed86771ac73d128af7a70a0ea6c0N.exe 97 PID 5104 wrote to memory of 1956 5104 dwm.exe 98 PID 5104 wrote to memory of 1956 5104 dwm.exe 98 PID 5104 wrote to memory of 1956 5104 dwm.exe 98 PID 1956 wrote to memory of 3528 1956 VvjgbB.exe 99 PID 1956 wrote to memory of 3528 1956 VvjgbB.exe 99 PID 1956 wrote to memory of 3528 1956 VvjgbB.exe 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\4d72ed86771ac73d128af7a70a0ea6c0N.exe"C:\Users\Admin\AppData\Local\Temp\4d72ed86771ac73d128af7a70a0ea6c0N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3464 -
C:\Users\Admin\AppData\Local\Temp\VvjgbB.exeC:\Users\Admin\AppData\Local\Temp\VvjgbB.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:4692 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2b8974ce.bat" "3⤵
- System Location Discovery: System Language Discovery
PID:4552
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C:\Users\Admin\AppData\Roaming\dwm.exealina=C:\Users\Admin\AppData\Local\Temp\4d72ed86771ac73d128af7a70a0ea6c0N.exe2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Users\Admin\AppData\Local\Temp\VvjgbB.exeC:\Users\Admin\AppData\Local\Temp\VvjgbB.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0da74aed.bat" "4⤵
- System Location Discovery: System Language Discovery
PID:3528
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S5KAZR04\k1[1].rar
- Size 4B
- SHA256 b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
- MD5 d3b07384d113edec49eaa6238ad5ff00
- SHA1 f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
- SHA512 0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\0da74aed.bat
- Size 187B
- SHA256 54f804ec5f1a495ecf6f85860f4c5c3cf00c79b52764c44b7b118584f1b871f0
- MD5 4d3fefba8417db6ee3d292097899612a
- SHA1 3261458ce034eab3b46aac0260d7ebd19af8cca2
- SHA512 6a491f6eb2a9e504452639f3e87c57383df8fdf8f8bf35a2a28e8e806836b19ccbe0982279287b054300f2a93480994fbd4a5693d51a0fa16513763f1ce7503e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\2b8974ce.bat
- Size 187B
- SHA256 a3748063deb27fe10fb3b72b17a89b1fd256f93f3058c4803c38cdb1b67134f1
- MD5 12333381c09964b53c954ce3f0ffbf7c
- SHA1 7f219e1fd1268998aef8b88de44418ad40d81816
- SHA512 85886ded28e8a55d6b3b88fc2e1b86040ce9e5eb1c7bb89a321d741a43bdd28f4e1f3615e13c0bb528bbc6805606176c55e2a65def5deccbb4807d1b369d7b05
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\545C4485.exe
- Size 4B
- SHA256 9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
- MD5 20879c987e2f9a916e578386d499f629
- SHA1 c7b33ddcc42361fdb847036fc07e880b81935d5d
- SHA512 bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\VvjgbB.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\dwm.exe
- Size 76KB
- SHA256 11ad30da3947a954fac9a3a5e5b15d2a9635daa7f83d2b714064f2837735fb50
- MD5 4d72ed86771ac73d128af7a70a0ea6c0
- SHA1 d4a218fa6d5f1ccc34c36f2925fb2769610e8783
- SHA512 b7a7aa0aefcc182a3dda4cb2608b55b4f82b32e2f67fb7725ad5c3f6f39f816cc0df9d94ff664ab819cb7f9761c8cf9bfcba1b5467f1aea775f9f9c1af6adca8
- SSDEEP 1536:Qqs7ZEey1A34L1LqXb0FXEZt4WY/KCo5uGCq2iW7z:QL7ZElCgLqXb4It4LK9YGCH
- MD5 SHA1 SHA512 SSDEEP