Analysis
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max time kernel
111s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
17/01/2025, 03:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe
Resource
win7-20240708-en
windows7-x64
13 signatures
120 seconds
General
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Target
cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe
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Size
924KB
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MD5
3a12198cddfab43de4e1150aee309cb0
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SHA1
14e42fdacbf22f418bf30cc38ebfad8805549725
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SHA256
cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2b
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SHA512
29bafe1bf579a0b67d6ea6c44736141ab4eebb881d72d9596583d34c2a3f05260126b466e7f4fded7fa92657ad5d65a51107a078436c68610f5ef07366593efb
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SSDEEP
12288:Wytm2WSk/SSs/O0OOlkmJ5pIJYgEl2yjreZiOt+nW2wk/D3m:9tmdiEOlk26aVeZiOmW2pm
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/3356-3-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/3356-4-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/3356-5-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/3356-6-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/3356-7-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/3356-269-0x0000000000400000-0x00000000004DB000-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 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.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 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification F:\autorun.inf cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1656 set thread context of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Java\jdk-1.8\bin\javac.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\BlockRestore.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Internet Explorer\fr-FR\ieinstal.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\vIntegrator.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\7-Zip\7zG.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vAppVShNotify.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\vLICLUA.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\RCXABBC.tmp cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\uk-UA\msinfo32.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Google\Chrome\Application\vchrome_proxy.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\vCLVIEW.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\vSQLDumper.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\dotnet\vdotnet.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\vnotification_helper.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Internet Explorer\uk-UA\iexplore.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Java\jdk-1.8\bin\vjarsigner.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Internet Explorer\es-ES\iexplore.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Internet Explorer\it-IT\ieinstal.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\7-Zip\7z.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Windows Defender\it-IT\OfflineScannerShell.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Java\jdk-1.8\bin\java.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\veqnedt32.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\7-Zip\RCXAA3B.tmp cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\en-US\mip.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOInstaller.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Microsoft Office 15\ClientX64\vIntegratedOffice.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jconsole.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Microsoft Office\Office16\vOSPPREARM.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Windows Defender\de-DE\OfflineScannerShell.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Java\jdk-1.8\bin\vjavapackager.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Windows Photo Viewer\ImagingDevices.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\vmisc.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Mozilla Firefox\vcrashreporter.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\7-Zip\vUninstall.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-ES\ShapeCollector.exe.mui cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavap.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Java\jdk-1.8\bin\vjava.ico cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjconsole.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\misc.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Windows NT\Accessories\wordpad.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File created C:\Program Files\Java\jdk-1.8\bin\idlj.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjabswitch.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjar.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe File opened for modification C:\Program Files\7-Zip\vUninstall.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\bfsvc.exe cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.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 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82 PID 1656 wrote to memory of 3356 1656 cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe"C:\Users\Admin\AppData\Local\Temp\cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Users\Admin\AppData\Local\Temp\cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.exe"C:\Users\Admin\AppData\Local\Temp\cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2bN.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:3356
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
924KB
MD53a12198cddfab43de4e1150aee309cb0
SHA114e42fdacbf22f418bf30cc38ebfad8805549725
SHA256cd5de5f04189b0976172287f2b6bc8d3f172851c83ca79874b0ce7796159bc2b
SHA51229bafe1bf579a0b67d6ea6c44736141ab4eebb881d72d9596583d34c2a3f05260126b466e7f4fded7fa92657ad5d65a51107a078436c68610f5ef07366593efb
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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