Analysis
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max time kernel
150s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06/09/2024, 10:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe
Resource
win7-20240903-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe
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Size
136KB
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MD5
cf643f582e3b2d92b08f8464775f7dc9
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SHA1
512bd59b7ab61b2f3d4e6e1f9f9532c21677a1e7
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SHA256
7c5da8aee0420b3a08893482136fc53698d5d9570337d6e5aadfaec45a606bcf
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SHA512
50b3ef67e2d90734e2aac1be75223df297a1fd847ed87023a532e583d670889b722424b04c5329b6679f2adaf87a6bd6c86b0e852a60fb2ef0149f2b0ce1ab4e
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SSDEEP
3072:FmTZTkwj0fQn7WbIqH0ybZBiOllyEmcP82+aVdOt66VGegm2:Fm9sQn7WbIqH0ybZBiOllyE5D+aVkjse
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yiina.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 3480 yiina.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /h" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /W" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /r" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /L" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /z" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /K" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /a" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /l" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /F" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /c" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /Y" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /O" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /b" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /u" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /X" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /w" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /P" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /k" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /y" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /s" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /t" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /v" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /R" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /A" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /i" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /N" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /f" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /M" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /E" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /D" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /o" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /p" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /B" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /q" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /j" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /n" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /U" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /H" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /C" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /S" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /V" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /G" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /e" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /Q" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /d" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /T" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /g" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /Z" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /m" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /J" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /I" yiina.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yiina = "C:\\Users\\Admin\\yiina.exe /x" yiina.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 cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yiina.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe 3480 yiina.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3036 cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe 3480 yiina.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3036 wrote to memory of 3480 3036 cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe 89 PID 3036 wrote to memory of 3480 3036 cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe 89 PID 3036 wrote to memory of 3480 3036 cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cf643f582e3b2d92b08f8464775f7dc9_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\yiina.exe"C:\Users\Admin\yiina.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3480
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
136KB
MD55bf9a032e860166c26eabb27301c149a
SHA190222a554df50bfc1a64b75d5eaa617153944b23
SHA25651d04d71233000b9f8a045e76347f84a73b6fca261d694475ee77ae8f88fd15c
SHA512cd41343c70e5cc7c78a5fe97f5793248523be384794d266098f4aba4013977139ce76cca67b5cf95e4c40a02394d3f0bd285295c03b4fa4df78a9a2c9163391f