Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12-08-2024 11:07
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
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Size
5.0MB
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MD5
c919ceb35acb6c113263769ffab7a7f7
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SHA1
645392ec60279fa946d709c74b8810dc30ec037b
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SHA256
490453b49938f205bfd83ef14d825a292cbe8a5d1c63d40109b8dd1813d8e8ca
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SHA512
6643957271e42cdf42246366d9e32f1fc3042358e89c3d8edd333cba85d3944cd22ad1ec1e803649bf785dd41caf5dd45aa6468118b0046a97ee31be09518713
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SSDEEP
98304:wDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:wDqPe1Cxcxk3ZAEUadzR8yc4H
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (3358) 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 1424 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:
2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exedescription ioc Process File created C:\WINDOWS\tasksche.exe 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_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:
2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exedescription ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4764 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:1424
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C:\Users\Admin\AppData\Local\Temp\2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-08-12_c919ceb35acb6c113263769ffab7a7f7_wannacry.exe -m security1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4148
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD57f7ccaa16fb15eb1c7399d422f8363e8
SHA1bd44d0ab543bf814d93b719c24e90d8dd7111234
SHA2562584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd
SHA51283e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7