Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15-04-2024 21:13
Static task
static1
Behavioral task
behavioral1
Sample
f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe
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Size
12.6MB
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MD5
f1efb145c5dda056d48a9442dc04926a
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SHA1
eaebffb29a1611d484e18a11af6dfdabd05fec3e
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SHA256
d295cb6824f3b1dee15da5e235dd3af4cd06c839a7c56adf62be284c4763ac7a
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SHA512
d3cdac4f2d34d26d8896dfbc6e4b42d7169b8ecb110067846d35bd893c9540613a16eb98409b5e4997d88475be5127237fc58a2d3978285cb6dfba35d70c7902
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SSDEEP
196608:XE/vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvn:XE
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\fnanyjbx = "0" svchost.exe -
Creates new service(s) 1 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2424 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\fnanyjbx\ImagePath = "C:\\Windows\\SysWOW64\\fnanyjbx\\mkussirh.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2152 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
mkussirh.exepid process 2680 mkussirh.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
mkussirh.exedescription pid process target process PID 2680 set thread context of 2152 2680 mkussirh.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 2568 sc.exe 2652 sc.exe 1444 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 30 IoCs
Processes:
f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exemkussirh.exedescription pid process target process PID 2504 wrote to memory of 2336 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe cmd.exe PID 2504 wrote to memory of 2336 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe cmd.exe PID 2504 wrote to memory of 2336 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe cmd.exe PID 2504 wrote to memory of 2336 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe cmd.exe PID 2504 wrote to memory of 1908 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe cmd.exe PID 2504 wrote to memory of 1908 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe cmd.exe PID 2504 wrote to memory of 1908 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe cmd.exe PID 2504 wrote to memory of 1908 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe cmd.exe PID 2504 wrote to memory of 2568 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 2568 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 2568 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 2568 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 2652 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 2652 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 2652 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 2652 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 1444 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 1444 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 1444 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 1444 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe sc.exe PID 2504 wrote to memory of 2424 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe netsh.exe PID 2504 wrote to memory of 2424 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe netsh.exe PID 2504 wrote to memory of 2424 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe netsh.exe PID 2504 wrote to memory of 2424 2504 f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe netsh.exe PID 2680 wrote to memory of 2152 2680 mkussirh.exe svchost.exe PID 2680 wrote to memory of 2152 2680 mkussirh.exe svchost.exe PID 2680 wrote to memory of 2152 2680 mkussirh.exe svchost.exe PID 2680 wrote to memory of 2152 2680 mkussirh.exe svchost.exe PID 2680 wrote to memory of 2152 2680 mkussirh.exe svchost.exe PID 2680 wrote to memory of 2152 2680 mkussirh.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fnanyjbx\2⤵PID:2336
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mkussirh.exe" C:\Windows\SysWOW64\fnanyjbx\2⤵PID:1908
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create fnanyjbx binPath= "C:\Windows\SysWOW64\fnanyjbx\mkussirh.exe /d\"C:\Users\Admin\AppData\Local\Temp\f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
PID:2568 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description fnanyjbx "wifi internet conection"2⤵
- Launches sc.exe
PID:2652 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start fnanyjbx2⤵
- Launches sc.exe
PID:1444 -
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
PID:2424
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C:\Windows\SysWOW64\fnanyjbx\mkussirh.exeC:\Windows\SysWOW64\fnanyjbx\mkussirh.exe /d"C:\Users\Admin\AppData\Local\Temp\f1efb145c5dda056d48a9442dc04926a_JaffaCakes118.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2152
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11.9MB
MD5c18c827af8695a2dce81987502ca0022
SHA1522d2e9cdd407521e001bf4bc4a02f52ae264621
SHA2569b9254b89c5da61e9dd9f4417dd636ca0519474e40015a5b92cc412cf48bda7f
SHA512dd1dff64a013c014eeba464b6e9eec9e90ffe51280dc1aac4c768f8c733cde44920f574876f2486f8d1c84e338c6b43077ceb132d7b5c007d6b284ec4975857a