Analysis
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max time kernel
145s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
29-12-2024 06:43
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe
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Size
258KB
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MD5
3b7e3f26701a8d911c01b5dd20cbc88d
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SHA1
a151397e5e820e637b826cc70f5727a63972770b
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SHA256
852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033
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SHA512
f1c0d25ce9a43e0d444712fed708cd0e919c59aa26398976f834a7b19d1257200b23399e20b3c9797234cccd6c2cd0251afa9f14e5a05c7784e8952b21d9e11b
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SSDEEP
6144:ZQFMZhT/1A4ToggvrHXgxH8+MKAuERtPQ7:ZAeh/1A4kgi3gdCKA9jI
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Tofsee family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\szkexqdg = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2396 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\szkexqdg\ImagePath = "C:\\Windows\\SysWOW64\\szkexqdg\\yfrenabv.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2984 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2916 yfrenabv.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2916 set thread context of 2984 2916 yfrenabv.exe 44 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2196 sc.exe 2748 sc.exe 2808 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yfrenabv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2488 wrote to memory of 2248 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 31 PID 2488 wrote to memory of 2248 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 31 PID 2488 wrote to memory of 2248 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 31 PID 2488 wrote to memory of 2248 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 31 PID 2488 wrote to memory of 1168 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 33 PID 2488 wrote to memory of 1168 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 33 PID 2488 wrote to memory of 1168 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 33 PID 2488 wrote to memory of 1168 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 33 PID 2488 wrote to memory of 2196 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 35 PID 2488 wrote to memory of 2196 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 35 PID 2488 wrote to memory of 2196 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 35 PID 2488 wrote to memory of 2196 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 35 PID 2488 wrote to memory of 2748 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 37 PID 2488 wrote to memory of 2748 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 37 PID 2488 wrote to memory of 2748 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 37 PID 2488 wrote to memory of 2748 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 37 PID 2488 wrote to memory of 2808 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 39 PID 2488 wrote to memory of 2808 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 39 PID 2488 wrote to memory of 2808 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 39 PID 2488 wrote to memory of 2808 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 39 PID 2488 wrote to memory of 2396 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 42 PID 2488 wrote to memory of 2396 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 42 PID 2488 wrote to memory of 2396 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 42 PID 2488 wrote to memory of 2396 2488 JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe 42 PID 2916 wrote to memory of 2984 2916 yfrenabv.exe 44 PID 2916 wrote to memory of 2984 2916 yfrenabv.exe 44 PID 2916 wrote to memory of 2984 2916 yfrenabv.exe 44 PID 2916 wrote to memory of 2984 2916 yfrenabv.exe 44 PID 2916 wrote to memory of 2984 2916 yfrenabv.exe 44 PID 2916 wrote to memory of 2984 2916 yfrenabv.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\szkexqdg\2⤵
- System Location Discovery: System Language Discovery
PID:2248
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yfrenabv.exe" C:\Windows\SysWOW64\szkexqdg\2⤵
- System Location Discovery: System Language Discovery
PID:1168
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create szkexqdg binPath= "C:\Windows\SysWOW64\szkexqdg\yfrenabv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2196
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description szkexqdg "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2748
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start szkexqdg2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2808
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2396
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C:\Windows\SysWOW64\szkexqdg\yfrenabv.exeC:\Windows\SysWOW64\szkexqdg\yfrenabv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_852b4503d236e4c9791449bc59dc3e81718c98ce87a9fa2253de95fd362cf033.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2984
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
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Downloads
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Filesize
11.8MB
MD5017afe0b3be34fe6424c29b04e1c22b2
SHA165e43546a0bbf18a98d0037cc435d361086749c0
SHA2560b5d01c20515caa14e810a05c9cbc642471e50b1f82229dcfc0be2489b279d70
SHA5120237bd8c0ea5ffc5dd1c1d0a003ff9d98af2fe5eb4d9d8f59f0ec1c9bee54c9728ed45ae6ecd8b89aea4a250262c539c98cb2adf2b67991d9bca78ee265ce58d