Analysis
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max time kernel
140s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2024, 13:54
Static task
static1
Behavioral task
behavioral1
Sample
83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe
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Size
448KB
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MD5
83358ea41c0b423fa18db219ebd82ee7
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SHA1
d756717c0912dcf2ebe29b8ea6839fbcf3e6a98e
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SHA256
80c4f47b95d503b844e8eed23b1298b757fb63e2a0ec40e578f86db8e778278a
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SHA512
4ef3a423037d7945d70670c38ef8098e68fedda8c1aeea37848e94d0ee48b5ed2ec117d93eff4da27f17fd4f6c59bcaf2d2211b578534a7da01c2f1065c7a93e
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SSDEEP
12288:dg1DKqQ3tz9jshL/PLo6WwfPWFnHUo3pm:m1Dd8HiLnLrzWK0pm
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 83358ea41c0b423fa18db219ebd82ee7_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 83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key 83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ 83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" 83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4112 83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\83358ea41c0b423fa18db219ebd82ee7_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
335B
MD5f76305592e685e01ef57d14fde2aa28d
SHA10791781f1e510069ebe756aeaa53831c0995bea4
SHA2567e6610923ae8706ccead6afb7eb783884c9c7565ff1dd2e8b2b7cebd2d5f4a2a
SHA5120334f7eca562f272666d254e6594d0402980139971cec3f3e6cd9d24fbc7b84579bd56e2849e2c9bad90f4f0b708c1af21a033227e7c8e6a01cc5ab56dcb8a9a