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Analysis
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max time kernel
149s -
max time network
144s -
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, 14:33
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe
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Size
188KB
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MD5
b8ae14ec90bf47e6f94d942c5718059b
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SHA1
fbc2ed4e74385f5e1763cd8fdf3db0b4cd607ae8
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SHA256
4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80
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SHA512
4d22ec962b2555ac2480ab9d78b4de369602ce2c6b5376a863782d8e0e85e419d67e8e30176ed0e01c76cc0656d1cfa38e3f7d0fd31d0803001e190c17c6ac1f
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SSDEEP
3072:97F4NKHBeCklmKGuJveyIh5cLcLLDjaqX+IzYZf6w6Eq:bACklmKTOaqZTssw
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 1488 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\otyqoflh\ImagePath = "C:\\Windows\\SysWOW64\\otyqoflh\\wtejhrol.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe -
Deletes itself 1 IoCs
pid Process 3992 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2884 wtejhrol.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2884 set thread context of 3992 2884 wtejhrol.exe 99 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1060 sc.exe 1036 sc.exe 1164 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 3244 4912 WerFault.exe 82 1988 2884 WerFault.exe 93 -
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 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wtejhrol.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.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 netsh.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4912 wrote to memory of 3912 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 83 PID 4912 wrote to memory of 3912 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 83 PID 4912 wrote to memory of 3912 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 83 PID 4912 wrote to memory of 3520 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 85 PID 4912 wrote to memory of 3520 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 85 PID 4912 wrote to memory of 3520 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 85 PID 4912 wrote to memory of 1060 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 87 PID 4912 wrote to memory of 1060 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 87 PID 4912 wrote to memory of 1060 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 87 PID 4912 wrote to memory of 1036 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 89 PID 4912 wrote to memory of 1036 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 89 PID 4912 wrote to memory of 1036 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 89 PID 4912 wrote to memory of 1164 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 91 PID 4912 wrote to memory of 1164 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 91 PID 4912 wrote to memory of 1164 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 91 PID 4912 wrote to memory of 1488 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 94 PID 4912 wrote to memory of 1488 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 94 PID 4912 wrote to memory of 1488 4912 JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe 94 PID 2884 wrote to memory of 3992 2884 wtejhrol.exe 99 PID 2884 wrote to memory of 3992 2884 wtejhrol.exe 99 PID 2884 wrote to memory of 3992 2884 wtejhrol.exe 99 PID 2884 wrote to memory of 3992 2884 wtejhrol.exe 99 PID 2884 wrote to memory of 3992 2884 wtejhrol.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\otyqoflh\2⤵
- System Location Discovery: System Language Discovery
PID:3912
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wtejhrol.exe" C:\Windows\SysWOW64\otyqoflh\2⤵
- System Location Discovery: System Language Discovery
PID:3520
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create otyqoflh binPath= "C:\Windows\SysWOW64\otyqoflh\wtejhrol.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1060
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description otyqoflh "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1036
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start otyqoflh2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1164
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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:1488
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 12722⤵
- Program crash
PID:3244
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C:\Windows\SysWOW64\otyqoflh\wtejhrol.exeC:\Windows\SysWOW64\otyqoflh\wtejhrol.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ff4292376fecbc3a78ec62f84db4cd27ed5f124af777837678c12edda5d80.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⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:3992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 5402⤵
- Program crash
PID:1988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4912 -ip 49121⤵PID:2332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2884 -ip 28841⤵PID:2940
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
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Downloads
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Filesize
13.5MB
MD566489b24e3a72fe21e21bf6c0b70a428
SHA1f7df90e0b3e11debfb53d3e5c77e070dd47fc96b
SHA2564774900bdf8332cfb64d2e79eb3c27ce85cc02f1e1e842df2af612eb9d2e5b17
SHA512b08d65ce8f116329caa055b312d812f7c49f46ce01ae8f89a8cad43a39b4ceb9121d615c24ab06714bc84dd262bbaf0b199004b7f49655a84d7d162ebe7d49ed