Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
20/07/2024, 06:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe
Resource
win7-20240705-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe
Resource
win10v2004-20240709-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe
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Size
240KB
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MD5
5f51b9b3e0fbc295ebf0a33cddfb823f
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SHA1
c09da4a99933763907c68d6286c41f585765fc8a
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SHA256
9cbf57e4aa2b5717c294cbadc2c3e0d5c6a4cfd980e9b8bebf01c318b07de542
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SHA512
1693f84d0fe22ef6709a169bd90394bc6bf03cbb5b14f7d12ae4fe6e33a1d50a60ff95d2126a9f59f94a9b56e297f8516774319c61752d49be2a891da98ab0ea
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SSDEEP
6144:AN3dwqsNTNEXGlQRayEqxF6snji81RUinKq3aEEDliD5:AZdQKj3aEEw
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe Set value (int) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bumuv.exe -
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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1048 bumuv.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /z" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /x" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /m" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /s" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /w" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /i" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /t" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /f" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /r" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /j" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /j" 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /g" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /q" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /y" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /d" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /a" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /l" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /c" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /v" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /p" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /h" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /e" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /k" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /n" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /b" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /u" bumuv.exe Set value (str) \REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bumuv = "C:\\Users\\Admin\\bumuv.exe /o" bumuv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 232 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe 232 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe 1048 bumuv.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 232 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe 1048 bumuv.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 232 wrote to memory of 1048 232 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe 92 PID 232 wrote to memory of 1048 232 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe 92 PID 232 wrote to memory of 1048 232 5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5f51b9b3e0fbc295ebf0a33cddfb823f_JaffaCakes118.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Users\Admin\bumuv.exe"C:\Users\Admin\bumuv.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1048
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
240KB
MD5de5562242a2fd95831530d6782ad3f5d
SHA141255ff60c7e5672aee93dca4da0000dd1e8a59c
SHA256a06e6ce2412a16a6d77df3c3a72b10d372eff60fb473213598c0b607890acd6e
SHA5123937a6ae2431b9d8d41fce04d4196f4e0787b10517d8ed76af58b67baa77b478bec3e277994f219f4bd06695311fc72b41d9b48804963b8a279373db8cc9672a