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Analysis
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max time kernel
151s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
19/04/2024, 11:08
Behavioral task
behavioral1
Sample
fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe
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Size
231KB
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MD5
fa2aebbd93f06f2ffcef3454635004dd
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SHA1
60d9d9827c6906e649d4712fb37ecd0477f734e6
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SHA256
d244a9eb4265002ee984ef5da603f43a1f30df8d463b02c19b5bad9eef9469a6
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SHA512
8edbcaf50445d409a7517f7578841871c2b5d94421d3666845070c5c2b4b33f3319e98d2eb2f034f2723b89f54943461dc1b7d8ea5376ed149de556be93eef66
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SSDEEP
6144:cDV3tsVHUOIqTB4cpLlgq6CY3ElWnvAPz8:I3qcqTBtgqNUhvyz
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe," fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe -
Disables Task Manager via registry modification
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ Avast = "C:\\Windows\\system32\\afv4730.exe" fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created \??\c:\windows\SysWOW64\afv4730.exe fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe File opened for modification \??\c:\windows\SysWOW64\afv4730.exe fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\tt3555.txt fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2092 fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2092 fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe 2092 fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe 2092 fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fa2aebbd93f06f2ffcef3454635004dd_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2092