Analysis
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max time kernel
111s -
max time network
93s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2024 11:06
Static task
static1
Behavioral task
behavioral1
Sample
e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe
Resource
win7-20240903-en
General
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Target
e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe
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Size
924KB
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MD5
b5643f1fd8d6a5387642f9ee8abfe3a8
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SHA1
b651d4947ab83764bd96d8aab3bc2d291275c6b8
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SHA256
e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f
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SHA512
a066d104c84289f9bcf8dbecdeb8fb95b32b559b86d9011b402752d40743a56e25d1e0a2b104e7ba63d036f8a333e9ddad5c96b4ccf85416f0f4f05d33632d5f
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SSDEEP
12288:uytm2WSk/SSs/O0OOlkmJ5pIJYgEl2yjreZiOt+nW2wk/D3g:FtmdiEOlk26aVeZiOmW2pg
Malware Config
Signatures
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Detects Renamer worm. 6 IoCs
Renamer aka Grename is worm written in Delphi.
resource yara_rule behavioral2/memory/720-4-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/720-5-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/720-7-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/720-8-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/720-9-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/720-271-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer -
Renamer family
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Paint.lnk e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.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 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification F:\autorun.inf e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2740 set thread context of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\vOfficeC2RClient.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TabTip.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\ShapeCollector.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Internet Explorer\de-DE\ieinstal.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjhat.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\vFLTLDR.EXE e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0409-1000-0000000FF1CE}\misc.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\RCXAEA3.tmp e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Microsoft Office 15\ClientX64\vIntegratedOffice.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\VideoLAN\VLC\vuninstall.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\vchrome_pwa_launcher.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavaw.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Microsoft Office\Office16\vOSPPREARM.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\VideoLAN\VLC\vuninstall.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Windows Defender\fr-FR\OfflineScannerShell.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\7-Zip\vUninstall.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vAppVShNotify.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-ES\InputPersonalization.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavapackager.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\7-Zip\Uninstall.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\vsetup.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\veqnedt32.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\vSQLDumper.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\7-Zip\v7zG.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavah.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\vcreatedump.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\VideoLAN\VLC\uninstall.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\7-Zip\v7zFM.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\vcreatedump.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.exe.sig e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\vchrmstp.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\vjabswitch.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ja-JP\ShapeCollector.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjdb.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Java\jdk-1.8\bin\vjdb.ico e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCXAC12.tmp e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TabTip.exe.mui e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavadoc.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File created C:\Program Files\Java\jdk-1.8\bin\javadoc.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\bfsvc.exe e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.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 2 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 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82 PID 2740 wrote to memory of 720 2740 e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe"C:\Users\Admin\AppData\Local\Temp\e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Users\Admin\AppData\Local\Temp\e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe"C:\Users\Admin\AppData\Local\Temp\e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f.exe"2⤵
- 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:720
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
924KB
MD5b5643f1fd8d6a5387642f9ee8abfe3a8
SHA1b651d4947ab83764bd96d8aab3bc2d291275c6b8
SHA256e8c576904f68ccd15f5dcd940b967fa870d475c8f38202c100a294856b1ecf4f
SHA512a066d104c84289f9bcf8dbecdeb8fb95b32b559b86d9011b402752d40743a56e25d1e0a2b104e7ba63d036f8a333e9ddad5c96b4ccf85416f0f4f05d33632d5f
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Filesize
924KB
MD5897ef661839fb3696b98ddb362f2fd52
SHA1252f2fa426dcb567b2c425511b52362e96ee3460
SHA25632d7e744c2f5584bc4fb4af019e6d159f235c8f3627ce127a174e0f3c3ea565e
SHA5126468c44829acc70104df801b9d0b524a55357a8fb4031352b160703f0f5af388f3809fbc8301aabf13b41a831694fe51a6874c22916a0bd919856228950a20bd
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Filesize
4KB
MD538b41d03e9dfcbbd08210c5f0b50ba71
SHA12fbfde75ce9fe8423d8e7720bf7408cedcb57a70
SHA256611f2cb2e03bd8dbcb584cd0a1c48accfba072dd3fc4e6d3144e2062553637f5
SHA512ec97556b6ff6023d9e6302ba586ef27b1b54fbf7e8ac04ff318aa4694f13ad343049210ef17b7b603963984c1340589665d67d9c65fec0f91053ff43b1401ba9
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Filesize
4KB
MD53ea9bcbc01e1a652de5a6fc291a66d1a
SHA1aee490d53ee201879dff37503a0796c77642a792
SHA256a058bfd185fe714927e15642004866449bce425d34292a08af56d66cf03ebe6c
SHA5127c740132f026341770b6a20575786da581d8a31850d0d680978a00cc4dfca1e848ef9cdc32e51bae680ea13f6cc0d7324c38765cb4e26dcb2e423aced7da0501
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C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.ico
Filesize4KB
MD5fc27f73816c9f640d800cdc1c9294751
SHA1e6c3d8835d1de4e9606e5588e741cd1be27398f6
SHA2563cc5043caa157e5f9b1870527b8c323850bdae1e58d6760e4e895d2ab8a35a05
SHA5129e36b96acc97bc7cd45e67a47f1ae7ab7d3818cc2fdaad147524ce9e4baedfaac9cd012923ec65db763bfd850c65b497376bb0694508bee59747f97bf1591fd4
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Filesize
102B
MD55513829683bff23161ca7d8595c25c72
SHA19961b65bbd3bac109dddd3a161fc30650e8a7096
SHA25694e323bd9071db7369ade16f45454e7a0dbfb6a39efddc1234c4719d1f7ee4c2
SHA512308c84446106cda0a71e37b0de46aaf4b7361f9ddcc3c4c29f8e87da8acb606525dce8a42caf9d74e708c56b31c524f9535a2f5f4757c6c357401da1c495ddb6