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Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/12/2024, 11:50
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe
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Size
243KB
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MD5
efb9c0c07fd0dac85d7d7f2366c1cd94
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SHA1
92e07b8e7566aa83a096f566070dd5a9d0469b1a
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SHA256
e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87
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SHA512
360c1a9b5261fdc3088da3feb28df8866b7f4a5e09ea9e5b66362bee0bc3858620ddeebf0c0f04e3c6fe90068945eab513ff21e6113302363139197bac20325a
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SSDEEP
6144:pnZQZPsbbeUbJ676nG7zMjAcuLngy0sXt4Q7Gk:JZTbeUbJ6mAMjT3y0sXKQ
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\rtprhzkf = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2768 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\rtprhzkf\ImagePath = "C:\\Windows\\SysWOW64\\rtprhzkf\\iupmtssg.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2880 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2852 iupmtssg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2852 set thread context of 2880 2852 iupmtssg.exe 43 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2384 sc.exe 2500 sc.exe 2816 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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iupmtssg.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2536 wrote to memory of 2576 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 30 PID 2536 wrote to memory of 2576 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 30 PID 2536 wrote to memory of 2576 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 30 PID 2536 wrote to memory of 2576 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 30 PID 2536 wrote to memory of 2696 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 32 PID 2536 wrote to memory of 2696 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 32 PID 2536 wrote to memory of 2696 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 32 PID 2536 wrote to memory of 2696 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 32 PID 2536 wrote to memory of 2384 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 34 PID 2536 wrote to memory of 2384 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 34 PID 2536 wrote to memory of 2384 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 34 PID 2536 wrote to memory of 2384 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 34 PID 2536 wrote to memory of 2500 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 36 PID 2536 wrote to memory of 2500 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 36 PID 2536 wrote to memory of 2500 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 36 PID 2536 wrote to memory of 2500 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 36 PID 2536 wrote to memory of 2816 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 38 PID 2536 wrote to memory of 2816 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 38 PID 2536 wrote to memory of 2816 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 38 PID 2536 wrote to memory of 2816 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 38 PID 2536 wrote to memory of 2768 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 41 PID 2536 wrote to memory of 2768 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 41 PID 2536 wrote to memory of 2768 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 41 PID 2536 wrote to memory of 2768 2536 JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe 41 PID 2852 wrote to memory of 2880 2852 iupmtssg.exe 43 PID 2852 wrote to memory of 2880 2852 iupmtssg.exe 43 PID 2852 wrote to memory of 2880 2852 iupmtssg.exe 43 PID 2852 wrote to memory of 2880 2852 iupmtssg.exe 43 PID 2852 wrote to memory of 2880 2852 iupmtssg.exe 43 PID 2852 wrote to memory of 2880 2852 iupmtssg.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rtprhzkf\2⤵
- System Location Discovery: System Language Discovery
PID:2576
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iupmtssg.exe" C:\Windows\SysWOW64\rtprhzkf\2⤵
- System Location Discovery: System Language Discovery
PID:2696
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create rtprhzkf binPath= "C:\Windows\SysWOW64\rtprhzkf\iupmtssg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2384
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description rtprhzkf "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2500
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start rtprhzkf2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2816
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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:2768
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C:\Windows\SysWOW64\rtprhzkf\iupmtssg.exeC:\Windows\SysWOW64\rtprhzkf\iupmtssg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e363711ac1b9775290bd77d2194c0a4da0bea97397ace5db5e6749b4bb0b6b87.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2880
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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
Loading Replay Monitor...
Downloads
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Filesize
14.7MB
MD5b7d55e8645bab3d7f83b6c0cc86ba9d0
SHA1a6f96d8a66ca1e9760e7a77e52773df7745dcc82
SHA256245a842c6f105178a6eb0189b5906cee4502f990e3adeddc3cf733caf5c606b6
SHA51247c502b4b7454cda9cc04b87f45f77bcc22c98a98e902e78e1b7451862873ae32ffe0937b490b4d745658eb8bc8ce93e6c4a9a3b7427b8ce25575e158f4daa67