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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/01/2025, 07:00
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe
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Size
302KB
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MD5
92f27854fc1c33255253c9d0fedf7a8b
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SHA1
6888e1954ebe90a884250d182c7bd166f4e98ca0
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SHA256
2d6a0c56a8747c82868605e8d25db845911a79d28cb4b77196a0026ac6d95427
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SHA512
429671f2875f1de2bd940d6fc8aa46c958086f05c32e74f530521068f40ee6dd9b86909ad099fb3a0c9e1893a48f9a24e65a0d4ad7f57e02501b8fd7484c04c9
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SSDEEP
6144:UuGJxsl1+JHGaZVApoeZWK8pzMxhrgtu:40yGaZVaoe18pzigt
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
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 2308 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\pieikbzj\ImagePath = "C:\\Windows\\SysWOW64\\pieikbzj\\dxtzkums.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_92f27854fc1c33255253c9d0fedf7a8b.exe -
Deletes itself 1 IoCs
pid Process 1012 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 4516 dxtzkums.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4516 set thread context of 1012 4516 dxtzkums.exe 103 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1412 sc.exe 3108 sc.exe 2980 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 queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 5104 2184 WerFault.exe 84 4212 4516 WerFault.exe 96 -
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 netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dxtzkums.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.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 -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 2184 wrote to memory of 2836 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 85 PID 2184 wrote to memory of 2836 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 85 PID 2184 wrote to memory of 2836 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 85 PID 2184 wrote to memory of 580 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 87 PID 2184 wrote to memory of 580 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 87 PID 2184 wrote to memory of 580 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 87 PID 2184 wrote to memory of 1412 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 89 PID 2184 wrote to memory of 1412 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 89 PID 2184 wrote to memory of 1412 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 89 PID 2184 wrote to memory of 3108 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 91 PID 2184 wrote to memory of 3108 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 91 PID 2184 wrote to memory of 3108 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 91 PID 2184 wrote to memory of 2980 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 94 PID 2184 wrote to memory of 2980 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 94 PID 2184 wrote to memory of 2980 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 94 PID 2184 wrote to memory of 2308 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 97 PID 2184 wrote to memory of 2308 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 97 PID 2184 wrote to memory of 2308 2184 JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe 97 PID 4516 wrote to memory of 1012 4516 dxtzkums.exe 103 PID 4516 wrote to memory of 1012 4516 dxtzkums.exe 103 PID 4516 wrote to memory of 1012 4516 dxtzkums.exe 103 PID 4516 wrote to memory of 1012 4516 dxtzkums.exe 103 PID 4516 wrote to memory of 1012 4516 dxtzkums.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pieikbzj\2⤵
- System Location Discovery: System Language Discovery
PID:2836
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dxtzkums.exe" C:\Windows\SysWOW64\pieikbzj\2⤵
- System Location Discovery: System Language Discovery
PID:580
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create pieikbzj binPath= "C:\Windows\SysWOW64\pieikbzj\dxtzkums.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1412
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description pieikbzj "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:3108
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start pieikbzj2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2980
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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:2308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 10402⤵
- Program crash
PID:5104
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C:\Windows\SysWOW64\pieikbzj\dxtzkums.exeC:\Windows\SysWOW64\pieikbzj\dxtzkums.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92f27854fc1c33255253c9d0fedf7a8b.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4516 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:1012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 5162⤵
- Program crash
PID:4212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2184 -ip 21841⤵PID:2296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4516 -ip 45161⤵PID:4368
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
12.3MB
MD5a8c559bdb2eaf4fd2791d954701a63f4
SHA1ecf9de75dd97e28b2bb0eab0b85c926b6236c263
SHA256197d6e70de5feae10ae59e89a2b9dbbf3b8cc2502d995ffbbb4169faecd15274
SHA51287d385097c38ab5cf9e6ca00828d124742cf5203f9e4cf1c521683269b2ae8de7593fe3c9873003ff8c7a57f83ef4bc4c367361c1e5c176e48859f16e0dae170