Analysis
- max time kernel
110s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
08/09/2024, 02:25
Behavioral task
behavioral1
Sample
89b207e6fd365b984cb073bb39ec6b80N.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
120 seconds
General
- Target 89b207e6fd365b984cb073bb39ec6b80N.exe
- Size 824KB
- Sample240908-cwpyzazbrp
- SHA256 83616bbe10061c5002cb3a0076e5c270043a4d4752965c38c9120fceeec6dc91
- MD5 89b207e6fd365b984cb073bb39ec6b80
- SHA1 686cbe0a07eb9d77835b3253c2edcaf24de6c4d2
- SHA512 33507fd5d304067942fd57a78ae041cca9401367dd324fe8b9e01e3803159972f1fc219a094645031d28250cd89cc143581d773aed255dab3ffa71dfdd44c9ac
- SSDEEP 12288:OwCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4ihozEm888888888888W8888888J:eNzCtUpQ9WWPBSSRMTEpXNU
- 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/396-0-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/files/0x000c00000002336e-7.dat family_renamer behavioral2/memory/396-268-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer - Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Paint.lnk 89b207e6fd365b984cb073bb39ec6b80N.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 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification F:\autorun.inf 89b207e6fd365b984cb073bb39ec6b80N.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jdk-1.8\bin\vextcheck.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\vjavac.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavafxpackager.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Microsoft Office\root\Integration\Integrator.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\ShapeCollector.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\RCX8C8A.tmp 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jre-1.8\bin\vjabswitch.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\vIntegratedOffice.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX8D59.tmp 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\java.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Windows NT\Accessories\wordpad.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\7-Zip\vUninstall.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\vSQLDumper.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\RCX8E94.tmp 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\VideoLAN\VLC\vuninstall.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\vAppVShNotify.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\jdb.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\vAppVDllSurrogate32.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\javac.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjcmd.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\jcmd.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\TabTip.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Internet Explorer\fr-FR\iexplore.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\vSQLDumper.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\RCX8F07.tmp 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\vSmartTagInstall.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\accicons.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\vLICLUA.EXE 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Common Files\microsoft shared\Source Engine\vOSE.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vidlj.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Windows Defender\de-DE\OfflineScannerShell.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\jdeps.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\vsetup.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCX8CE9.tmp 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\jhat.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\7-Zip\v7zFM.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\7-Zip\RCX8B49.tmp 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\TabTip.exe.mui 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\vjhat.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\vCLVIEW.EXE 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\vIntegrator.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vAppVShNotify.ico 89b207e6fd365b984cb073bb39ec6b80N.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavah.exe 89b207e6fd365b984cb073bb39ec6b80N.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\vInspectorOfficeGadget.exe 89b207e6fd365b984cb073bb39ec6b80N.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\bfsvc.exe 89b207e6fd365b984cb073bb39ec6b80N.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 89b207e6fd365b984cb073bb39ec6b80N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\89b207e6fd365b984cb073bb39ec6b80N.exe"C:\Users\Admin\AppData\Local\Temp\89b207e6fd365b984cb073bb39ec6b80N.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:396
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 824KB
- SHA256 83616bbe10061c5002cb3a0076e5c270043a4d4752965c38c9120fceeec6dc91
- MD5 89b207e6fd365b984cb073bb39ec6b80
- SHA1 686cbe0a07eb9d77835b3253c2edcaf24de6c4d2
- SHA512 33507fd5d304067942fd57a78ae041cca9401367dd324fe8b9e01e3803159972f1fc219a094645031d28250cd89cc143581d773aed255dab3ffa71dfdd44c9ac
- SSDEEP 12288:OwCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4ihozEm888888888888W8888888J:eNzCtUpQ9WWPBSSRMTEpXNU
- MD5 SHA1 SHA512 SSDEEP
- 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 F:\autorun.inf
- Size 102B
- SHA256 94e323bd9071db7369ade16f45454e7a0dbfb6a39efddc1234c4719d1f7ee4c2
- MD5 5513829683bff23161ca7d8595c25c72
- SHA1 9961b65bbd3bac109dddd3a161fc30650e8a7096
- SHA512 308c84446106cda0a71e37b0de46aaf4b7361f9ddcc3c4c29f8e87da8acb606525dce8a42caf9d74e708c56b31c524f9535a2f5f4757c6c357401da1c495ddb6
- MD5 SHA1 SHA512