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Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
29/12/2024, 10:48
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe
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Size
164KB
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MD5
2bb1fbbbed9cc4fadfa75a080379f3fb
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SHA1
32c784d175b2c892686d79ef500b3d6a7e286dc9
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SHA256
30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c
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SHA512
35a409fe79641ad6deeab7176785fb0db9393250fb20f971de0e8ece15dbf20bb36e5593a4b9da0ca1c6c893193aa1a0f160f40c27205dbbbe4dc8bd77d3f409
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SSDEEP
3072:nhqXElKGK4Pm2B32eXAH57V3OUQuhS9H6S:ns0l9NXXK7hEa
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\wwdmtyhj = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2784 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wwdmtyhj\ImagePath = "C:\\Windows\\SysWOW64\\wwdmtyhj\\ybucacku.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2892 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2884 ybucacku.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2884 set thread context of 2892 2884 ybucacku.exe 44 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2788 sc.exe 524 sc.exe 2772 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 opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ybucacku.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 516 wrote to memory of 2548 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 31 PID 516 wrote to memory of 2548 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 31 PID 516 wrote to memory of 2548 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 31 PID 516 wrote to memory of 2548 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 31 PID 516 wrote to memory of 2040 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 33 PID 516 wrote to memory of 2040 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 33 PID 516 wrote to memory of 2040 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 33 PID 516 wrote to memory of 2040 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 33 PID 516 wrote to memory of 524 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 35 PID 516 wrote to memory of 524 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 35 PID 516 wrote to memory of 524 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 35 PID 516 wrote to memory of 524 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 35 PID 516 wrote to memory of 2772 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 37 PID 516 wrote to memory of 2772 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 37 PID 516 wrote to memory of 2772 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 37 PID 516 wrote to memory of 2772 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 37 PID 516 wrote to memory of 2788 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 39 PID 516 wrote to memory of 2788 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 39 PID 516 wrote to memory of 2788 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 39 PID 516 wrote to memory of 2788 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 39 PID 516 wrote to memory of 2784 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 42 PID 516 wrote to memory of 2784 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 42 PID 516 wrote to memory of 2784 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 42 PID 516 wrote to memory of 2784 516 JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe 42 PID 2884 wrote to memory of 2892 2884 ybucacku.exe 44 PID 2884 wrote to memory of 2892 2884 ybucacku.exe 44 PID 2884 wrote to memory of 2892 2884 ybucacku.exe 44 PID 2884 wrote to memory of 2892 2884 ybucacku.exe 44 PID 2884 wrote to memory of 2892 2884 ybucacku.exe 44 PID 2884 wrote to memory of 2892 2884 ybucacku.exe 44
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:516 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wwdmtyhj\2⤵
- System Location Discovery: System Language Discovery
PID:2548
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ybucacku.exe" C:\Windows\SysWOW64\wwdmtyhj\2⤵
- System Location Discovery: System Language Discovery
PID:2040
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create wwdmtyhj binPath= "C:\Windows\SysWOW64\wwdmtyhj\ybucacku.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:524
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description wwdmtyhj "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2772
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start wwdmtyhj2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2788
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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:2784
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C:\Windows\SysWOW64\wwdmtyhj\ybucacku.exeC:\Windows\SysWOW64\wwdmtyhj\ybucacku.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30f34e11d0cc3ea3aaa86bf43fcc1f93d3bd0b7bfb101b6c4b4180217261874c.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2892
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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
13.4MB
MD53bb445becfa660319a3e5eb7dbd2d4d4
SHA126cd67899945ac4074a421f7e8b27ac2805d039a
SHA256532d4948619fd359c815c1a008234b83360d3a953ee26a06233ced82ee08b96b
SHA51210b9449fae4a67e8c8428c774742eca0d05aeb0e7855a96fb28d07ba364397817d38af5505964d3263077efd474d1bdf0e75f6b843500d292411a34430969edf