Analysis
- max time kernel
140s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
09/10/2024, 21:09
Behavioral task
behavioral1
Sample
55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe
Resource
win7-20240729-en
windows7-x64
9 signatures
150 seconds
General
- Target 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe
- Size 824KB
- Sample241009-zzeczaycph
- SHA256 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94
- MD5 4dd80bfb7e951cf3f1f828f2da645335
- SHA1 70ac16ef6dbd68940681b41fe042d3123794abb6
- SHA512 7eef379db433fe8609ef067e40f2bce20e7034a75868f8c9d3fe56eab74d4096a7be1d768d759de27e5fa29184fcc223a4fc25d4c566f583757fb47fc8613dfd
- SSDEEP 12288:3wCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4ihozE5888888888888W8888888J:jNzCtUpQ9WWPBSSRMTEpXNp
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Renamer worm. 2 IoCs
Renamer aka Grename is worm written in Delphi.
resource yara_rule behavioral2/files/0x000c000000023b98-6.dat family_renamer behavioral2/memory/1512-267-0x0000000000400000-0x00000000004DB000-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 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.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 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification F:\autorun.inf 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\RCX7186.tmp 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavap.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\RCX7417.tmp 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\InputPersonalization.exe.mui 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.exe.sig 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjar.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\veqnedt32.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavadoc.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavafxpackager.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\vFLTLDR.EXE 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\dotnet\vdotnet.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Windows Defender\es-ES\OfflineScannerShell.exe.mui 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\7-Zip\v7zFM.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\7-Zip\v7zG.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TabTip.exe.mui 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Internet Explorer\iexplore.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Windows Defender\it-IT\OfflineScannerShell.exe.mui 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vMavInject32.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Internet Explorer\es-ES\iexplore.exe.mui 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjava-rmi.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Windows NT\Accessories\wordpad.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Mozilla Firefox\RCX74E8.tmp 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\vInspectorOfficeGadget.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\vchrome_pwa_launcher.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Internet Explorer\ExtExport.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Java\jdk-1.8\bin\vjava-rmi.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Java\jdk-1.8\bin\vjavaw.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\vmisc.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\VideoLAN\VLC\RCX7508.tmp 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\VideoLAN\VLC\vuninstall.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\vchrome.exe.sig 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Internet Explorer\it-IT\iexplore.exe.mui 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavapackager.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavaws.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\vAppVDllSurrogate32.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-000F-0000-1000-0000000FF1CE}\vaccicons.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Mozilla Firefox\vcrashreporter.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vappvcleaner.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Java\jdk-1.8\bin\vjava.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\7-Zip\vUninstall.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\it-IT\ShapeCollector.exe.mui 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Java\jdk-1.8\bin\jhat.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\velevation_service.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\vnotification_helper.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Microsoft Office\Office16\vOSPPREARM.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\RCX73C8.tmp 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\vAppSharingHookController.ico 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\bfsvc.exe 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.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 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.exe"C:\Users\Admin\AppData\Local\Temp\55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94.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:1512
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\7-Zip\7z.exe
- Size 824KB
- SHA256 55fd5b56360ebe550e2886062c8efeea22d4035b27700c76a2223bb38665ff94
- MD5 4dd80bfb7e951cf3f1f828f2da645335
- SHA1 70ac16ef6dbd68940681b41fe042d3123794abb6
- SHA512 7eef379db433fe8609ef067e40f2bce20e7034a75868f8c9d3fe56eab74d4096a7be1d768d759de27e5fa29184fcc223a4fc25d4c566f583757fb47fc8613dfd
- SSDEEP 12288:3wCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4ihozE5888888888888W8888888J:jNzCtUpQ9WWPBSSRMTEpXNp
- 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