Analysis
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max time kernel
133s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-10-2024 05:47
Static task
static1
Behavioral task
behavioral1
Sample
7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe
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Size
1.2MB
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MD5
7e188023110a5ffd9719428a7b98688d
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SHA1
fd3dd486e98fff7e2d069f0e4e4ddb2ae86daba6
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SHA256
a65ba93ec78558053bcebe1b7a512aa7ebc402eef96ccc1cd41062f3da517375
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SHA512
e8b1f0b077b2e71c7c125993f33addfed9570710d50d10070eed7e5eeb81c43565d5776ed8a62fe6764c7773108fffa12c00c1d555b4cc138b28f7a708059516
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SSDEEP
24576:IMc1bS0R6crXjYp36O1aNjoWBFJDq9SpCxfzs2o2SV/deDrgO:IMcxS0RTrzYp3/oNEWxq8pCRzro2SV/u
Malware Config
Signatures
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Detects Renamer worm. 5 IoCs
Renamer aka Grename is worm written in Delphi.
resource yara_rule behavioral2/memory/2440-18-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/2440-21-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/2440-22-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/2440-19-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer behavioral2/memory/2440-282-0x0000000000400000-0x00000000004DB000-memory.dmp family_renamer -
Renamer family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Paint.lnk 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.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 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification F:\autorun.inf 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1728 set thread context of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjava.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavadoc.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\vAppSharingHookController.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-006E-0409-1000-0000000FF1CE}\RCX72DE.tmp 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavapackager.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jcmd.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\vSQLDumper.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Windows Media Player\setup_wm.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\7-Zip\v7z.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\7-Zip\v7zFM.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\vsetup.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\dotnet\dotnet.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Google\Chrome\Application\chrome.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjavac.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Java\jdk-1.8\bin\javah.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjhat.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Windows Defender\de-DE\OfflineScannerShell.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Internet Explorer\fr-FR\ieinstal.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Java\jdk-1.8\bin\jar.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Java\jdk-1.8\bin\vjar.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jabswitch.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-0C0A-1000-0000000FF1CE}\vmisc.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\mip.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Internet Explorer\ielowutil.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\velevation_service.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\dotnet\vdotnet.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Google\Chrome\Application\RCX7012.tmp 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\Installer\{90160000-001F-040C-1000-0000000FF1CE}\misc.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ink\es-ES\InputPersonalization.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\vcreatedump.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vjava-rmi.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Java\jdk-1.8\bin\vjavac.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Java\jdk-1.8\bin\vjavap.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\vOfficeC2RClient.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Mozilla Firefox\crashreporter.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Office\Office16\vOSPPREARM.EXE 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\vFLTLDR.ico 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\vextcheck.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\vjabswitch.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Internet Explorer\de-DE\iexplore.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Internet Explorer\es-ES\ieinstal.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Internet Explorer\it-IT\ieinstal.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\vSmartTagInstall.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Microsoft Office 15\ClientX64\vIntegratedOffice.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe File opened for modification C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\msinfo32.exe.mui 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\bfsvc.exe 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.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 3 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 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5004 schtasks.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1728 wrote to memory of 5004 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 103 PID 1728 wrote to memory of 5004 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 103 PID 1728 wrote to memory of 5004 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 103 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105 PID 1728 wrote to memory of 2440 1728 7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IKoWZvhVjiC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6731.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5004
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C:\Users\Admin\AppData\Local\Temp\7e188023110a5ffd9719428a7b98688d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7e188023110a5ffd9719428a7b98688d_JaffaCakes118.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:2440
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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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
1KB
MD5e8f4fc06cd3bc9065cc3753ec15fcdcb
SHA1dd19f43e6ba22c618697c98fc3c1ba8d364e9ec9
SHA256a24430639fba2534e8420568e2451f429ea2b3e99cea45824ad60e81ac2bc0c1
SHA5125a69ed1fd3e6da4af7f7089e48fc399879121b3bc9e8dd26ce8a7bd890159116f06660413320e41b2f90625afd902f39e5133c7bcb3566a7d15ecd18f39c9da2
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Filesize
1.2MB
MD57e188023110a5ffd9719428a7b98688d
SHA1fd3dd486e98fff7e2d069f0e4e4ddb2ae86daba6
SHA256a65ba93ec78558053bcebe1b7a512aa7ebc402eef96ccc1cd41062f3da517375
SHA512e8b1f0b077b2e71c7c125993f33addfed9570710d50d10070eed7e5eeb81c43565d5776ed8a62fe6764c7773108fffa12c00c1d555b4cc138b28f7a708059516
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Filesize
102B
MD55513829683bff23161ca7d8595c25c72
SHA19961b65bbd3bac109dddd3a161fc30650e8a7096
SHA25694e323bd9071db7369ade16f45454e7a0dbfb6a39efddc1234c4719d1f7ee4c2
SHA512308c84446106cda0a71e37b0de46aaf4b7361f9ddcc3c4c29f8e87da8acb606525dce8a42caf9d74e708c56b31c524f9535a2f5f4757c6c357401da1c495ddb6