Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
18/08/2024, 17:11
Behavioral task
behavioral1
Sample
a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe
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Size
243KB
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MD5
a783ba335d10b08374874f40b86dc716
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SHA1
670aaf1648d2b988dbd2ec9d94f60da8420d4a00
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SHA256
c66da40ce491fad8e432441d144ab00609cf22f2cf98419d6ec064d670601c3f
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SHA512
144ba833fc9628039820b5e5a4d0e0b0906cc9a8d15642b5b22ee796b1b47ad5b273cf54ef858264459b01f5f3337bab376417e083763e8943ecf56395d80a06
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SSDEEP
6144:aEadbgLK3fsEKUYgDVy36USbMv6bUtz60976UoSmL:StgUfs/BB36Ug3U17joSW
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\ProgramData\\gema\\gema.exe,userinit.exe," a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\gema\\gema.exe,Explorer.exe," a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe -
resource yara_rule behavioral1/memory/2244-0-0x0000000000400000-0x0000000000505000-memory.dmp upx behavioral1/files/0x000e000000018660-10.dat upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\gema. = "C:\\ProgramData\\gema\\gema.exe" a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\gema = "C:\\Users\\Admin\\AppData\\Roaming\\gema\\gema.exe" a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\System32\gema.exe a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe File opened for modification C:\Windows\System32\gema.exe a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\win.ini a783ba335d10b08374874f40b86dc716_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 1 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 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe 2244 a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a783ba335d10b08374874f40b86dc716_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2244
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
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Downloads
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Filesize
243KB
MD5a783ba335d10b08374874f40b86dc716
SHA1670aaf1648d2b988dbd2ec9d94f60da8420d4a00
SHA256c66da40ce491fad8e432441d144ab00609cf22f2cf98419d6ec064d670601c3f
SHA512144ba833fc9628039820b5e5a4d0e0b0906cc9a8d15642b5b22ee796b1b47ad5b273cf54ef858264459b01f5f3337bab376417e083763e8943ecf56395d80a06