Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 03:16
Static task
static1
Behavioral task
behavioral1
Sample
f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe
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Size
293KB
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MD5
f50da061ba24d56e3121a2a9ad82402d
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SHA1
a895da1a7db8ed660fb707f0981328fde1388d73
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SHA256
bd52e6cb9f9f9cddcad91dd9a9574a74f007d66f3c1f72a4e7618ea17c2354cc
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SHA512
db7d85227c66d627d52c45bdc274fc0286109e9ed23f503833c130c629759c3b68404627aa241b5b8118cf9783ca3abd6d83c36f6cabd354f59d2e00a71c7d98
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SSDEEP
6144:E08wLkUthveqDaWM8HleuLPJ+FFWVaJOHO4TyQOI5JgpcvqNplc4F4bsVYexS:E08MkUDvwoeiPMFFJJCXT0Iw5p4brGS
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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Executes dropped EXE 10 IoCs
pid Process 2620 taskmrg.exe 2700 taskmrg.exe 584 taskmrg.exe 2824 taskmrg.exe 2244 taskmrg.exe 1660 taskmrg.exe 1896 taskmrg.exe 2284 taskmrg.exe 1160 taskmrg.exe 1432 taskmrg.exe -
Loads dropped DLL 20 IoCs
pid Process 2960 f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe 2960 f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe 2620 taskmrg.exe 2620 taskmrg.exe 2700 taskmrg.exe 2700 taskmrg.exe 584 taskmrg.exe 584 taskmrg.exe 2824 taskmrg.exe 2824 taskmrg.exe 2244 taskmrg.exe 2244 taskmrg.exe 1660 taskmrg.exe 1660 taskmrg.exe 1896 taskmrg.exe 1896 taskmrg.exe 2284 taskmrg.exe 2284 taskmrg.exe 1160 taskmrg.exe 1160 taskmrg.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 11 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe File opened for modification \??\PhysicalDrive0 taskmrg.exe -
Drops file in System32 directory 22 IoCs
description ioc Process File created C:\Windows\SysWOW64\taskmrg.exe f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File opened for modification C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe File created C:\Windows\SysWOW64\taskmrg.exe taskmrg.exe -
System Location Discovery: System Language Discovery 1 TTPs 11 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 taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskmrg.exe -
Modifies registry class 33 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key taskmrg.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ taskmrg.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" taskmrg.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 2960 wrote to memory of 2620 2960 f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe 28 PID 2960 wrote to memory of 2620 2960 f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe 28 PID 2960 wrote to memory of 2620 2960 f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe 28 PID 2960 wrote to memory of 2620 2960 f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe 28 PID 2620 wrote to memory of 2700 2620 taskmrg.exe 29 PID 2620 wrote to memory of 2700 2620 taskmrg.exe 29 PID 2620 wrote to memory of 2700 2620 taskmrg.exe 29 PID 2620 wrote to memory of 2700 2620 taskmrg.exe 29 PID 2700 wrote to memory of 584 2700 taskmrg.exe 32 PID 2700 wrote to memory of 584 2700 taskmrg.exe 32 PID 2700 wrote to memory of 584 2700 taskmrg.exe 32 PID 2700 wrote to memory of 584 2700 taskmrg.exe 32 PID 584 wrote to memory of 2824 584 taskmrg.exe 33 PID 584 wrote to memory of 2824 584 taskmrg.exe 33 PID 584 wrote to memory of 2824 584 taskmrg.exe 33 PID 584 wrote to memory of 2824 584 taskmrg.exe 33 PID 2824 wrote to memory of 2244 2824 taskmrg.exe 34 PID 2824 wrote to memory of 2244 2824 taskmrg.exe 34 PID 2824 wrote to memory of 2244 2824 taskmrg.exe 34 PID 2824 wrote to memory of 2244 2824 taskmrg.exe 34 PID 2244 wrote to memory of 1660 2244 taskmrg.exe 35 PID 2244 wrote to memory of 1660 2244 taskmrg.exe 35 PID 2244 wrote to memory of 1660 2244 taskmrg.exe 35 PID 2244 wrote to memory of 1660 2244 taskmrg.exe 35 PID 1660 wrote to memory of 1896 1660 taskmrg.exe 36 PID 1660 wrote to memory of 1896 1660 taskmrg.exe 36 PID 1660 wrote to memory of 1896 1660 taskmrg.exe 36 PID 1660 wrote to memory of 1896 1660 taskmrg.exe 36 PID 1896 wrote to memory of 2284 1896 taskmrg.exe 37 PID 1896 wrote to memory of 2284 1896 taskmrg.exe 37 PID 1896 wrote to memory of 2284 1896 taskmrg.exe 37 PID 1896 wrote to memory of 2284 1896 taskmrg.exe 37 PID 2284 wrote to memory of 1160 2284 taskmrg.exe 38 PID 2284 wrote to memory of 1160 2284 taskmrg.exe 38 PID 2284 wrote to memory of 1160 2284 taskmrg.exe 38 PID 2284 wrote to memory of 1160 2284 taskmrg.exe 38 PID 1160 wrote to memory of 1432 1160 taskmrg.exe 39 PID 1160 wrote to memory of 1432 1160 taskmrg.exe 39 PID 1160 wrote to memory of 1432 1160 taskmrg.exe 39 PID 1160 wrote to memory of 1432 1160 taskmrg.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- 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:2960 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 520 "C:\Users\Admin\AppData\Local\Temp\f50da061ba24d56e3121a2a9ad82402d_JaffaCakes118.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:2620 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 548 "C:\Windows\SysWOW64\taskmrg.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:2700 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 556 "C:\Windows\SysWOW64\taskmrg.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:584 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 612 "C:\Windows\SysWOW64\taskmrg.exe"5⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:2824 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 560 "C:\Windows\SysWOW64\taskmrg.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:2244 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 552 "C:\Windows\SysWOW64\taskmrg.exe"7⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:1660 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 572 "C:\Windows\SysWOW64\taskmrg.exe"8⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:1896 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 564 "C:\Windows\SysWOW64\taskmrg.exe"9⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:2284 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 588 "C:\Windows\SysWOW64\taskmrg.exe"10⤵
- Executes dropped EXE
- Loads dropped DLL
- 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:1160 -
C:\Windows\SysWOW64\taskmrg.exeC:\Windows\system32\taskmrg.exe 568 "C:\Windows\SysWOW64\taskmrg.exe"11⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1432
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
293KB
MD5f50da061ba24d56e3121a2a9ad82402d
SHA1a895da1a7db8ed660fb707f0981328fde1388d73
SHA256bd52e6cb9f9f9cddcad91dd9a9574a74f007d66f3c1f72a4e7618ea17c2354cc
SHA512db7d85227c66d627d52c45bdc274fc0286109e9ed23f503833c130c629759c3b68404627aa241b5b8118cf9783ca3abd6d83c36f6cabd354f59d2e00a71c7d98