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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2024, 09:00
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe
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Size
186KB
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MD5
166c6ac61a149f3d397c5b54cdf611b0
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SHA1
51ac25392072ea5bd9af9d6d227c0c13a5c7cfdc
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SHA256
9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c
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SHA512
06d93630a7cf01e119c2cecf9c28de3f8e88b55f0afde93f2d6b8c536efd1ada9e9678aac34cb20c75911a3254ca3de174420a9ff45dbf2b4192c17d2b6ccfba
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SSDEEP
3072:L7ojA4DTPi7C4QCDla6Iv0vdJxfez43Valiy1wC3pZa9uD6Vdyhk9:+A4DTPi7C4QBVviXVIQC3wVf
Malware Config
Extracted
tofsee
quadoil.ru
lakeflex.ru
Signatures
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Tofsee family
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2448 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\klhhygly\ImagePath = "C:\\Windows\\SysWOW64\\klhhygly\\nfxedufm.exe" svchost.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe -
Deletes itself 1 IoCs
pid Process 4076 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 1908 nfxedufm.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1908 set thread context of 4076 1908 nfxedufm.exe 101 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4424 sc.exe 400 sc.exe 4044 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 -
Program crash 2 IoCs
pid pid_target Process procid_target 4300 1384 WerFault.exe 82 4628 1908 WerFault.exe 94 -
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 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.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 cmd.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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nfxedufm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1384 wrote to memory of 3992 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 83 PID 1384 wrote to memory of 3992 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 83 PID 1384 wrote to memory of 3992 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 83 PID 1384 wrote to memory of 3576 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 85 PID 1384 wrote to memory of 3576 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 85 PID 1384 wrote to memory of 3576 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 85 PID 1384 wrote to memory of 4424 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 87 PID 1384 wrote to memory of 4424 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 87 PID 1384 wrote to memory of 4424 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 87 PID 1384 wrote to memory of 400 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 89 PID 1384 wrote to memory of 400 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 89 PID 1384 wrote to memory of 400 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 89 PID 1384 wrote to memory of 4044 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 92 PID 1384 wrote to memory of 4044 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 92 PID 1384 wrote to memory of 4044 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 92 PID 1384 wrote to memory of 2448 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 95 PID 1384 wrote to memory of 2448 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 95 PID 1384 wrote to memory of 2448 1384 JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe 95 PID 1908 wrote to memory of 4076 1908 nfxedufm.exe 101 PID 1908 wrote to memory of 4076 1908 nfxedufm.exe 101 PID 1908 wrote to memory of 4076 1908 nfxedufm.exe 101 PID 1908 wrote to memory of 4076 1908 nfxedufm.exe 101 PID 1908 wrote to memory of 4076 1908 nfxedufm.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\klhhygly\2⤵
- System Location Discovery: System Language Discovery
PID:3992
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nfxedufm.exe" C:\Windows\SysWOW64\klhhygly\2⤵
- System Location Discovery: System Language Discovery
PID:3576
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create klhhygly binPath= "C:\Windows\SysWOW64\klhhygly\nfxedufm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4424
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description klhhygly "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:400
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start klhhygly2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4044
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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:2448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 12522⤵
- Program crash
PID:4300
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C:\Windows\SysWOW64\klhhygly\nfxedufm.exeC:\Windows\SysWOW64\klhhygly\nfxedufm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9ce8b01c8cfe2020ab11819ff80c747a040698f83613d6dc43b71e09b984961c.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:4076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 5282⤵
- Program crash
PID:4628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1384 -ip 13841⤵PID:1380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1908 -ip 19081⤵PID:4100
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
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
13.1MB
MD55220abe7c51822e4ce7e0d7e2cde1717
SHA10ba0c5b07996b96f0bbae15e8eb997c7b03bf66d
SHA2567a9a41fc4e7f560afa96cd3d561cef2e42297b300f83099fb7dacf5f23c6b73c
SHA51294367a10ad80caa05da2dec17e3aeeb0dad5f3e37687ddde3b9264fef5db543f27daa96fb26e3e6f9128c3ab3ebb2877fb582e1d279374678b4cc07f38b120b4