Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
07-12-2024 06:07
Static task
static1
Behavioral task
behavioral1
Sample
d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe
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Size
143KB
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MD5
d0ff0563e7d5bdf78ed5450c05d5b52e
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SHA1
ea8a9227d6ec1388583f875af4635b6489299689
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SHA256
dbc46624234d564894a312f4cf66e1877a97193f8feb9693345c7c6b72ff20ed
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SHA512
b38ac876efc49b5fe058af070e0e996bc787b0cbc32f5413f86945a07507a86c47d275cbf550958ce37497cba4fc2ca8fac2f5b94dc3ecb0f5f78a8f511d539c
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SSDEEP
3072:1aA2xLdvPFfj9Oe3bbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU749HxL:t2zJsuwvP6bQ7yMP+DE82745h
Malware Config
Extracted
metasploit
encoder/fnstenv_mov
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Metasploit family
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Deletes itself 1 IoCs
pid Process 2520 cmd.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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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 d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\dllcache\cychost.exe d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\dllcache\cychost.exe d0ff0563e7d5bdf78ed5450c05d5b52e_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 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 d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2092 wrote to memory of 2520 2092 d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe 30 PID 2092 wrote to memory of 2520 2092 d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe 30 PID 2092 wrote to memory of 2520 2092 d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe 30 PID 2092 wrote to memory of 2520 2092 d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d0ff0563e7d5bdf78ed5450c05d5b52e_JaffaCakes118.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D0FF05~1.EXE >> NUL2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2520
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