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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21/12/2024, 10:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe
Resource
win10v2004-20241007-en
General
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Target
2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe
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Size
5.0MB
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MD5
545a86f9acd10665a02b9e10eda08753
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SHA1
f891834a67a5af27761aadc4de5b465ad20eb0f3
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SHA256
032100a8f8ec17c0b2a6603b937b89fd35e37a4e3fa80a84474dbfd46431bbdc
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SHA512
e0d6ddd7f547386e9d89c934e5fea5dd51ac57a302c5b0bd64710e19a185f973dd4391100f9b559ec8277e08f8346835c087d36ed75ac3a648347f5d4c41a4d8
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SSDEEP
49152:+nFQeMSPbcBVQkINRx+TSqTdX1HkQo6SAARdhnvP:qeePoBpaRxcSUDk36SAEdhvP
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 (3325) 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
pid Process 4048 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 System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\WINDOWS\tasksche.exe 2024-12-21_545a86f9acd10665a02b9e10eda08753_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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4400 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:4048
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C:\Users\Admin\AppData\Local\Temp\2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exeC:\Users\Admin\AppData\Local\Temp\2024-12-21_545a86f9acd10665a02b9e10eda08753_wannacry.exe -m security1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4812
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD5f60456ca994aa8e6fc6ef608566c0a22
SHA1a5171b805fabe3bc8a468623a801eaafef8b5bfc
SHA256a7f579d367067c69231558f8d691586b4d7ebc2ea1385f704365a4e7c86674c7
SHA512bc9c9d843df67651e6a0ded8f5b52ce530f944eba53636f6c6fac87a7a5485931b54d2e23824bd06ef11230c5c1f57c2f87c879bb2cd67890270a43f8ad8764e