Analysis
- max time kernel
140s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
06/11/2024, 01:00
Behavioral task
behavioral1
Sample
8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe
Resource
win7-20240903-en
windows7-x64
10 signatures
150 seconds
General
- Target 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe
- Size 824KB
- Sample241106-bcmttssbqa
- SHA256 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df
- MD5 fa2185ba1d7503b471d089eed573c560
- SHA1 f63296d12629d20e190942159d97c4fb30b27f32
- SHA512 80fde5d8d120fce27012884993f8f3507ff3af538a1840b438af24cc9e11be80edf1ec50c4c71becaf3b114b1f027f3437e141f9d666cacdee11e4af166475de
- SSDEEP 12288:nwCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4ihozEw888888888888W8888888J:TNzCtUpQ9WWPBSSRMTEpXNq
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Renamer worm. 3 IoCs
Renamer aka Grename is worm written in Delphi.
resource yara_rule behavioral2/memory/4420-0-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/files/0x000f000000023a6e-7.dat family_renamer behavioral2/memory/4420-271-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer - Renamer family
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Paint.lnk 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe - Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\autorun.inf 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification F:\autorun.inf 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\bin\vjava.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vIntegratedOffice.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TabTip.exe.mui 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\dotnet\dotnet.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\VideoLAN\VLC\vuninstall.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vappvcleaner.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\uk-UA\msinfo32.exe.mui 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Internet Explorer\ieinstal.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\VideoLAN\VLC\vuninstall.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Google\Chrome\Application\vchrome.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjdb.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\7-Zip\RCX7B8A.tmp 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\7-Zip\Uninstall.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vOfficeC2RClient.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Common Files\microsoft shared\Source Engine\vOSE.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\RCX7EE8.tmp 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\VideoLAN\VLC\RCX7F3A.tmp 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\vjabswitch.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\7-Zip\RCX7B79.tmp 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7BEB.tmp 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\RCX7ED7.tmp 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\vjabswitch.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\vcreatedump.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Internet Explorer\it-IT\iexplore.exe.mui 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jre-1.8\bin\vjabswitch.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\vchrome.exe.sig 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\vnotification_helper.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\bin\jdeps.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Mozilla Firefox\vcrashreporter.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\vchrome_pwa_launcher.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\bin\vjdeps.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\vOSE.EXE 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\misc.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\vUndoRevoke.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\bin\vjavafxpackager.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavah.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\RCX7EF8.tmp 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\Java\jdk-1.8\bin\javaws.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jdeps.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\vcreatedump.ico 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\RCX7C9A.tmp 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\bfsvc.exe 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 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 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe"C:\Users\Admin\AppData\Local\Temp\8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df.exe"1⤵
- Drops startup file
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4420
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files\Java\jdk-1.8\bin\vjavaws.ico
- Size 4KB
- SHA256 611f2cb2e03bd8dbcb584cd0a1c48accfba072dd3fc4e6d3144e2062553637f5
- MD5 38b41d03e9dfcbbd08210c5f0b50ba71
- SHA1 2fbfde75ce9fe8423d8e7720bf7408cedcb57a70
- SHA512 ec97556b6ff6023d9e6302ba586ef27b1b54fbf7e8ac04ff318aa4694f13ad343049210ef17b7b603963984c1340589665d67d9c65fec0f91053ff43b1401ba9
- SSDEEP 96:GxZnQuikS0jj8KJy9QhT8PB5CXMaTFgL3n:GxZQuiQjruQ65wXMWA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\Microsoft Office 15\ClientX64\vIntegratedOffice.ico
- Size 4KB
- SHA256 a058bfd185fe714927e15642004866449bce425d34292a08af56d66cf03ebe6c
- MD5 3ea9bcbc01e1a652de5a6fc291a66d1a
- SHA1 aee490d53ee201879dff37503a0796c77642a792
- SHA512 7c740132f026341770b6a20575786da581d8a31850d0d680978a00cc4dfca1e848ef9cdc32e51bae680ea13f6cc0d7324c38765cb4e26dcb2e423aced7da0501
- SSDEEP 48:r2pe4sdnY/3XXXXXXXXXXcDD3V+yD3/6k0vucpb:r6bsdnY/XXXXXXXXXXcDD3Vr/6Jvu6
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.ico
- Size 4KB
- SHA256 3cc5043caa157e5f9b1870527b8c323850bdae1e58d6760e4e895d2ab8a35a05
- MD5 fc27f73816c9f640d800cdc1c9294751
- SHA1 e6c3d8835d1de4e9606e5588e741cd1be27398f6
- SHA512 9e36b96acc97bc7cd45e67a47f1ae7ab7d3818cc2fdaad147524ce9e4baedfaac9cd012923ec65db763bfd850c65b497376bb0694508bee59747f97bf1591fd4
- SSDEEP 12:GFXAOAO9XAkXRABEXAOAOANXAO6qOyvOyYvOy44o4v44PQ91pnSqu:GiB7GABbBBa1qlvlYvl44o4v44PQP/u
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\UndoRevoke.exe
- Size 824KB
- SHA256 8fee5a277797a25cc4f3635f6820762a7c5944d5e107731cc9c7dc7872c877df
- MD5 fa2185ba1d7503b471d089eed573c560
- SHA1 f63296d12629d20e190942159d97c4fb30b27f32
- SHA512 80fde5d8d120fce27012884993f8f3507ff3af538a1840b438af24cc9e11be80edf1ec50c4c71becaf3b114b1f027f3437e141f9d666cacdee11e4af166475de
- SSDEEP 12288:nwCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4ihozEw888888888888W8888888J:TNzCtUpQ9WWPBSSRMTEpXNq
- MD5 SHA1 SHA512 SSDEEP
- Path F:\autorun.inf
- Size 102B
- SHA256 94e323bd9071db7369ade16f45454e7a0dbfb6a39efddc1234c4719d1f7ee4c2
- MD5 5513829683bff23161ca7d8595c25c72
- SHA1 9961b65bbd3bac109dddd3a161fc30650e8a7096
- SHA512 308c84446106cda0a71e37b0de46aaf4b7361f9ddcc3c4c29f8e87da8acb606525dce8a42caf9d74e708c56b31c524f9535a2f5f4757c6c357401da1c495ddb6
- MD5 SHA1 SHA512