Analysis
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max time kernel
88s -
max time network
89s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20250128-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
03-02-2025 04:35
Static task
static1
Behavioral task
behavioral1
Sample
2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe
Resource
win10ltsc2021-20250128-en
General
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Target
2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe
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Size
2.2MB
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MD5
211d3c5f37a5b13a27dc0ccfe5a41168
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SHA1
6dad34d736943e645845c21a14666337da5fc6ce
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SHA256
805bc4fd54475d93b3811aeb32f2c761f46d52168507f3a0688d231ea117915e
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SHA512
2886b97c9a25cdbe443f49944fe50453742592fc501395221c4b4f5feeebe4f5b1df92de2fc8b91df67b84377fea3b428168c2a0a3d04e2d2a64efa9bf16e87b
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SSDEEP
12288:e1bLgmluCti62gaIMu7LocQhfYNvrTcbckPU82900Ve7zw+K+DHeQYSUjEXF:QbLguriXd5cQdIvrYbcMNgef0QeQj
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Wannacry family
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Contacts a large (1520) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 4 IoCs
pid Process 4828 tasksche.exe 4016 tasksche.exe 3940 tasksche.exe 4492 tasksche.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\WINDOWS\tasksche.exe 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe File created C:\WINDOWS\tasksche.exe 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe File created C:\WINDOWS\tasksche.exe 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe File created C:\WINDOWS\tasksche.exe 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe -
Program crash 4 IoCs
pid pid_target Process procid_target 2568 4828 WerFault.exe 84 3452 4016 WerFault.exe 99 2760 3940 WerFault.exe 104 4704 4492 WerFault.exe 108 -
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 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasksche.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasksche.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasksche.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasksche.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe -
Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2780138426-956448432-1440988935-1000_Classes\Local Settings OpenWith.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4584 OpenWith.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 5000 wrote to memory of 4828 5000 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 84 PID 5000 wrote to memory of 4828 5000 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 84 PID 5000 wrote to memory of 4828 5000 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 84 PID 232 wrote to memory of 4016 232 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 99 PID 232 wrote to memory of 4016 232 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 99 PID 232 wrote to memory of 4016 232 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 99 PID 4112 wrote to memory of 3940 4112 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 104 PID 4112 wrote to memory of 3940 4112 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 104 PID 4112 wrote to memory of 3940 4112 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 104 PID 1260 wrote to memory of 4492 1260 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 108 PID 1260 wrote to memory of 4492 1260 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 108 PID 1260 wrote to memory of 4492 1260 2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4828 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 6043⤵
- Program crash
PID:2568
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C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe -m security1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4828 -ip 48281⤵PID:4400
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2012
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C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:232 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4016 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4016 -s 5203⤵
- Program crash
PID:3452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4016 -ip 40161⤵PID:1284
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C:\Windows\system32\OpenWith.exeC:\Windows\system32\OpenWith.exe -Embedding1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4584
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C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3940 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 6003⤵
- Program crash
PID:2760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3940 -ip 39401⤵PID:4976
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C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-03_211d3c5f37a5b13a27dc0ccfe5a41168_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 6003⤵
- Program crash
PID:4704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 232 -p 4492 -ip 44921⤵PID:2928
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD581eae535f1bd00964645080809077b55
SHA19f3e1329142afb5ef9ba9e85b800876ed630eb30
SHA256cc63f36dc17a0a98aa80e296f467cda6a1e0771e8d1b224efe524b532e7bc3dc
SHA512d53e2095b46f65cbd55a85f1b594dcdba95188156e322340bd39235369f20536bc857f8f81b1e9c8d7321f1ba991d798ead95b067b0547e6ed41cdccd8bef704