Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-10-2024 03:53
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
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Size
3.6MB
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MD5
43cdfc3db6d4c2711621a5458f388996
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SHA1
f27dfbafc3bb8cf062ef1a09a971aaa4300669fa
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SHA256
4f7f9e039ed529e7334164255b572a652932689c0ffeb4bd78cb45bf9571d399
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SHA512
29c8b4ae7f6ca19e0e5dbae996adc6992985963b13c6c3c616c44bfbd2f4f95c2c99cdff794a490908e6b2b7d1accfabd7b48825c969cab712893981677bfcd2
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SSDEEP
98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5y3R8yAVp2HI:yDqPe1Cxcxk3ZAEUadiR8yc4HI
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 (3373) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 1 IoCs
Processes:
tasksche.exepid process 1060 tasksche.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Drops file in Windows directory 1 IoCs
Processes:
2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exedescription ioc process File created C:\WINDOWS\tasksche.exe 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3704 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:1060
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C:\Users\Admin\AppData\Local\Temp\2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-10-31_43cdfc3db6d4c2711621a5458f388996_wannacry.exe -m security1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD58a708a7958653a52b38001b9cccaf370
SHA1799e5398a02e89d2814657bd48163740354cd026
SHA2560c0130ac7cfe08e0b95a4860b06d8c2fac0cd6c5726c6d4ea480f142cab20be6
SHA51259fb5f8841710836baa0401a7e806b9b66188514b901e82b7c8b32c76706c4f7c4087fda722c59b4e5c0123a3f060c406b14103217847b17d61c46142fd27d3b