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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
09/07/2024, 09:20
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe
Resource
win10v2004-20240704-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe
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Size
200KB
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MD5
2fcbf302035901dbdc0edc92d5eef4ca
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SHA1
f8882b732f8488a84bcfd826cb1e2d17bc65dedd
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SHA256
0767570da9e3bf0713f618f5a97ca37d62507d0a3770ae26c003ac6944419ea3
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SHA512
dc95953f88e40d5f0a228c423d6d0648aa514800dba57eaa50e5e3c8af59f411db2a87660a112026461f6ac143f7d0938d683482e2623e198697c9bc9a365185
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SSDEEP
3072:WCATo/0YxM0tQ9nLHbB9WPliBs2HWWEakGJm9Ad:WCF+4QxL7B9WPli+yWWEazf
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-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yailuov.exe Set value (int) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.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-1-5-21-3642458265-1901903390-453309326-1000\Control Panel\International\Geo\Nation 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3696 yailuov.exe -
Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /l" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /b" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /t" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /u" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /g" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /y" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /f" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /i" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /v" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /n" 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /z" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /d" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /j" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /a" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /w" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /n" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /c" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /p" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /r" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /s" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /h" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /k" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /q" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /e" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /o" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /x" yailuov.exe Set value (str) \REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yailuov = "C:\\Users\\Admin\\yailuov.exe /m" yailuov.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 4672 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe 4672 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe 3696 yailuov.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4672 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe 3696 yailuov.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4672 wrote to memory of 3696 4672 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe 85 PID 4672 wrote to memory of 3696 4672 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe 85 PID 4672 wrote to memory of 3696 4672 2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2fcbf302035901dbdc0edc92d5eef4ca_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2fcbf302035901dbdc0edc92d5eef4ca_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:4672 -
C:\Users\Admin\yailuov.exe"C:\Users\Admin\yailuov.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:3696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
200KB
MD5d465afebe8d70fff7e77d58a0350e00d
SHA1ef5c2cd6fedcf0f8ea4b945d00c72bfdc0fbdbc1
SHA25645dbffccfeaf60da27bd45730b9413672f48a85b12c63c889e6a84c5f8fc3457
SHA51213896f2a361a9f8b8cf2657efe9abef956627e8d0adac919a00e94d230cb6926ce764f47efbc46d238f34eb0fa3e52880a66f0f528a2b8dc33a849a06b526f6d