Analysis
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max time kernel
150s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14-09-2024 14:27
Static task
static1
Behavioral task
behavioral1
Sample
e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe
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Size
564KB
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MD5
e05f2a8feb07c918b84647f5ec73ada6
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SHA1
ee114d063ed146c56f9b210b01132323b3097ed0
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SHA256
9ed7e0a20064358a6eceabf04c4bee0f6b6d057e8bd36150f86f5d169baee166
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SHA512
1c9b2d089466e42ccc959ee11d37ef0aab7db74b532058679b1e8ca4e0daca59c01d6dcc1aaa918f003b79f82ac6b2c60c32cbbef27bd76ecf31333cae235e6b
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SSDEEP
12288:KT8dkQB03JL9KBUXSp8Opj1uyljFcvPnwy2qR/XxXxXZ5RVjCQi:KT0k13JLCUiVRwPn4q5hhXZ5H1
Malware Config
Signatures
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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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2136 winlogin.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Windows\\system32\\winlogin.exe\"" e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\winlogin.exe e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\winlogin.exe e05f2a8feb07c918b84647f5ec73ada6_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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 3020 e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe 2136 winlogin.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3020 wrote to memory of 2876 3020 e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe 92 PID 3020 wrote to memory of 2876 3020 e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe 92 PID 3020 wrote to memory of 2876 3020 e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe 92 PID 2876 wrote to memory of 2136 2876 cmd.exe 94 PID 2876 wrote to memory of 2136 2876 cmd.exe 94 PID 2876 wrote to memory of 2136 2876 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e05f2a8feb07c918b84647f5ec73ada6_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /cC:\Windows\system32\winlogin.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Windows\SysWOW64\winlogin.exeC:\Windows\system32\winlogin.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:2136
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
564KB
MD5e05f2a8feb07c918b84647f5ec73ada6
SHA1ee114d063ed146c56f9b210b01132323b3097ed0
SHA2569ed7e0a20064358a6eceabf04c4bee0f6b6d057e8bd36150f86f5d169baee166
SHA5121c9b2d089466e42ccc959ee11d37ef0aab7db74b532058679b1e8ca4e0daca59c01d6dcc1aaa918f003b79f82ac6b2c60c32cbbef27bd76ecf31333cae235e6b