Analysis
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max time kernel
140s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-en -
resource tags
arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system -
submitted
16/02/2025, 02:22
Behavioral task
behavioral1
Sample
JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe
Resource
win10v2004-20250207-en
General
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Target
JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe
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Size
816KB
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MD5
fea0bff375bbacbe7cc2b67a4b440cd2
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SHA1
b25431870a8367f944ff8d1c7066ad19791d902a
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SHA256
4a29990a48d2beb589a4208f28f101ed8653d91fde8d0a708171da9c62b0bf79
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SHA512
83822b8ac066c54810a5b6a428ae47d19de293bbc4a3147b473887d82963ca77573806eddb27470b5da881cf52a7cdf23dbf39772fec79f83fe3ccbc35fc704f
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SSDEEP
12288:gqkAx8i7pC8PapFTUt6xIuFrb9OKcEKfBKSNqvnSNgFCV4tuRJ888888888888WX:N8i7pjPapFTUt6xIyHGBKSNqvn5m4tki
Malware Config
Signatures
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Detects Renamer worm. 2 IoCs
Renamer aka Grename is worm written in Delphi.
resource yara_rule behavioral2/files/0x000a000000023d05-8.dat family_renamer behavioral2/memory/3836-317-0x0000000000400000-0x00000000004D8000-memory.dmp family_renamer -
Renamer family
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Downloads MZ/PE file 1 IoCs
flow pid Process 62 4532 Process not Found -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Paint.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Paint.exe" JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.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 JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification F:\autorun.inf JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\RCX76FA.tmp JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Java\jdk-1.8\bin\javadoc.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\vcookie_exporter.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7459.tmp JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Google\Chrome\Application\chrome_proxy.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TabTip.exe.mui JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX74D9.tmp JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Java\jdk-1.8\bin\vappletviewer.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\vAppSharingHookController.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Internet Explorer\es-ES\ieinstal.exe.mui JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavaw.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\RCX7439.tmp JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files (x86)\Internet Explorer\ExtExport.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\vnotification_helper.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjhat.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\cookie_exporter.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjarsigner.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavaws.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Java\jdk-1.8\bin\vjinfo.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\vjaureg.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\7-Zip\7zG.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\7-Zip\vUninstall.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vIntegratedOffice.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\it-IT\ShapeCollector.exe.mui JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Java\jdk-1.8\bin\java.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\vAppVDllSurrogate32.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\RCX7668.tmp JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\vmisc.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files (x86)\Common Files\Oracle\Java\javapath\vjava.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\vSQLDumper.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files (x86)\Microsoft\Edge\Application\vmsedge.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\vcookie_exporter.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Mozilla Firefox\crashreporter.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\vcreatedump.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\vSmartTagInstall.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\vOSE.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCX774B.tmp JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pipanel.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\132.0.2957.140\cookie_exporter.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\dotnet\dotnet.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Java\jdk-1.8\bin\jcmd.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Google\Chrome\Application\vchrome.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File opened for modification C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Java\jdk-1.8\bin\jar.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\vSQLDumper.ico JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe File created C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\bfsvc.exe JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.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 JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1804 MicrosoftEdgeUpdate.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fea0bff375bbacbe7cc2b67a4b440cd2.exe"1⤵
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3836
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI4IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODA0NjA0NDA5Ii8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1804
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
816KB
MD5fea0bff375bbacbe7cc2b67a4b440cd2
SHA1b25431870a8367f944ff8d1c7066ad19791d902a
SHA2564a29990a48d2beb589a4208f28f101ed8653d91fde8d0a708171da9c62b0bf79
SHA51283822b8ac066c54810a5b6a428ae47d19de293bbc4a3147b473887d82963ca77573806eddb27470b5da881cf52a7cdf23dbf39772fec79f83fe3ccbc35fc704f
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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